7 th International Conference on G as Hydrates (ICGH 2011) E dinburgh, United Kingdom 1 7-21 July 2011 V olume 1 of 3 I SBN: 978-1-5108-1509-4 Printed from e-media with permission by: Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571 Some format issues inherent in the e-media version may also appear in this print version. Copyright© (2011) by Hydrafact Ltd All rights reserved. Printed by Curran Associates, Inc. (2016) For permission requests, please contact Hydrafact Ltd at the address below. Hydrafact Ltd Quantum Court Research Avenue South Heriot-Watt University Research Park Edinburgh EH14 4AP United Kingdom Phone: 0131 449 7472 info@hydrafact.com Additional copies of this publication are available from: Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571 USA Phone: 845-758-0400 Fax: 845-758-2633 Email: curran@proceedings.com Web: www.proceedings.com TABLE OF CONTENTS VOLUME 1 PLENARY SPEAKERS GAS PRODUCTION FROM METHANE HYDRATE RESERVOIRS...................................................................................................... 1 Masanori Kurihara, Hideo Narita, Yoshihiro Masuda HYDRATE FLOW ASSURANCE STATE-OF-THE-ART ..................................................................................................................... N/A Dendy Sloan HYDRATE GUEST-HOST INTERACTIONS, STRUCTURE, AND PROCESSES: A MOLECULAR VIEW .............................. N/A John Ripmeester MARINE GAS HYDRATE RESEARCH:CHANGING VIEWS OVER THE PAST 25 YEARS .......................................................... 16 Erwin Suess ENERGY & NOVEL TECHNOLOGIES DETERMINATION OF INTRINSIC RATE CONSTANT FOR HYDRATE FORMATION IN THE METHANE- TBAB-WATER SYSTEM ............................................................................................................................................................................... 27 Jebraeel Gholinezhad, Antonin Chapoy, Hooman Haghighi, Bahman Tohidi A LABORATORY STUDY OF METHANE-HYDRATE BEARING SAND: PHYSICOCHEMICAL EVALUATION OF THE FORMATION, ACCUMULATION AND DISSOCIATION PROCESSES................................................. 34 Livio Ruffine, Jean-Pierre Donval, Vivien Guyader A METHOD TO LOCATE AND QUANTIFY GAS HYDRATE USING LONG-OFFSET SEISMIC ................................................ 35 Jianchun Dai A NEW METHOD FOR SEAWATER DESALINATION VIA GAS HYDRATE PROCESS AND REMOVAL CHARACTERISTICS OF DISSOLVED MINERALS ............................................................................................................................... 42 Ju Dong Lee, Kyeong-Nam Park, Sang Yeon Hong, Joung Ha Kim, Jae Ho Yun A NOVEL APPROACH TO PRODUCTION OF HYDRATE SLURRIES AT HIGH PROCESS INTENSITY AND CONCEPTUAL APPLICATIONS ....................................................................................................................................................... 43 John Waycuilis, Hamid Sirajuddin, Patrick Rensing EXPERIMENTAL STUDY ON GAS PRODUCTION FROM METHANE HYDRATE IN POROUS MEDIA BY HUFF AND PUFF METHOD IN PILOT-SCALE HYDRATE SIMULATOR ........................................................................................ 44 Xiao-Sen Li, Gang Li, Bo Yang, Yu Zhang, Bo Li, Qing-Ping Li A NUMERICAL STUDY OF GAS PRODUCTION FROM COLLAPSING OCEANIC HYDRATE BEARING SEDIMENTS..................................................................................................................................................................................................... 45 Jonny Rutqvist, George Moridis, Jihoon Kim A STUDY ON GENERATION OF LOW DECOMPOSITION RATE LUMP HYDRATE FOR A LONG-TERM STORAGE IN THE ATMOSPHERIC PRESSURE .................................................................................................................................... 46 Seiji Matsuo, Katsunori Okaya, Toyohisa Fujita, Satoshi Takeya A STUDY ON THE DISSOCIATION BEHAVIOR OF GAS HYDRATE USING THE STEAM STIMULATION .......................... 52 Youngsoo Lee, Changhoon Shin, Youngsoon Baek, Youngwan Kim, Sangyup Jang, Jeonghwan Lee ACCELERATED FORMATION OF METHANE HYDRATEIN ALUMINUM FOAM....................................................................... 53 Liang Yang, Shuanshi Fan, Xuemei Lang, Yanhong Wang, Donglai Xie ANALYSIS OF 2007/2008 MALLIK METHANE HYDRATE PRODUCTION TEST RESULTS THROUGH HISTORY MATCHING SIMULATION ...................................................................................................................................................... 54 Masanori Kurihara, Kunihiro Funatsu, Hisanao Ouchi, Akihiko Sato, Masato Yasuda, Koji Yamamoto , Tetsuya Fujii, Masaaki Numasawa, Hideo Narita, Yoshihiro Masuda, Scott R. Dallimore, Fred Wright APPROACHING REALITY - THE EXCHANGE OF IMPURE CO2 AND CH4 IN GAS HYDRATES.............................................. 68 Bettina Strauch, Judith Schicks, Manja Luzi, Jorg Erzinger ASSESSMENT OF POSSIBILITY FOR THE CARBON DIOXIDE STORAGE IN WEST SIBERIAN PERMAFROST ................................................................................................................................................................................................ 69 Albert D. Duchkov, Mikhail E. Permyakov, Lyudmila S. Sokolova, Dmitrii E. Ayunov CARBON DIOXIDE CAPTURE FROM FLUE GASES BY HYDRATE CRISTALLIZATION : EXPERIMENTAL MEASUREMENTS AND THERMODYNAMIC MODELLING ............................................................................ 75 Imen Ben Attouche Sfaxi, Rafel Lugo, Amir-H. Mohammadi, Dominique Richon CARBON DIOXIDE SEPARATION AND HYDROGEN PURIFICATION FROM IGCC SYNGAS VIA HYDRATE CRYSTALLIZATION IN CONJUNCTION WITH CHEMICAL ADSORPTION ........................................................... 76 Xiao-Sen Li, Chun-Gang Xu, Zhao-Yang Chen, Ke-Feng Yan CARBON DIOXIDE SEQUESTRATION BY HYDRATE FORMATION DURING UNDERWATER ENERGY GENERATION ................................................................................................................................................................................................. 77 Pavitra Sandilya, Saibal Ganguly CHARACTERIZATION OF CO2 CLATHRATE HYDRATE FORMATION AND DISSOCIATION USING HIGH PRESSURE DIFFERENTIAL SCANNING CALORIMETRY ..................................................................................................... 78 Remi Andre, Pierre Leparlouer CHARACTERIZATION OF MIXED CO2 - TBPB HYDRATES FOR REFRIGERATION APPLICATIONS ................................. 79 Pascal Clain, Anthony Delahaye, Laurence Fournaison, Salem Jerbi, Nadia Mayoufi, Didier Dalmazzone, Walter Furst CO2 CAPTURE IN FORM OF CLATHRATE HYDRATE - PROBLEM AND PRACTICE................................................................ 88 Shuanshi Fan, Yanhong Wang, Xuemei Lang CO2 ENCLATHRATION IN A SEMI-CONTINUOUS QUIESCENT HYDRATE-FORMING REACTOR OPERATED WITH PURE CO2 AND WATER SOLUBLE ADDITIVES................................................................................................ 89 Jean-Philippe Torre, Christophe Dicharry, Marvin Ricaurte, Xavier Renaud, Daniel Broseta, Joseph Diaz CO2 INJECTION INTO SUBMARINE SEDIMENTS: DISTURBING CH4 HYDRATES ..................................................................101 Nikolaus Bigalke, Christian Deusner, Elke Kossel, Matthias Haeckel CO2 REMOVAL FROM NATURAL GAS BY HYDRATE FORMATION: EVALUATION OF ADDITIVES AND OPERATING CONDITIONS WITH CH4-CO2 GAS MIXTURES .........................................................................................................110 Marvin Ricaurte, Jean-Phillipe Torre, Daniel Broseta, Joseph Diaz, Xavier Renaud, Christophe Dicharry COMPARISON STUDY ON THE PRODUCTIVITY OF GAS HYDRATE BEARING SYNTHETIC SEDIMENTS BY DEPRESSURIZATION METHOD ..............................................................................................................................119 Seunghee An, Jeongmin Han, Hyunkun Shin, Myoungwook Shin, Hyera Son, Woosung Ju COMPOSITION STUDIES TO DETERMINE RATE AND EXTENT OF CO2 EXCHANGE IN A HYDRATE- BEARING CORE ...........................................................................................................................................................................................120 Keith Hester, Jim Stevens, James Howard CONCEPTUAL DESIGN OF AN EXPERIMENTAL FACILITY FOR EXTRACTING NATURAL GAS FROM NATURAL GAS HYDRATE ........................................................................................................................................................................125 Pavitra Sandilya, Saibal Ganguly CONSTITUENT MOLECULAR EFFECTS ON PHASE EQUILIBRIA AND HYDROGEN ADSORPTION KINETICS IN CLATHRATE HYDRATES ...............................................................................................................................................133 Hiroyuki Komatsu, Masaki Ota, Masaru Watanabe, Yoshiyuki Sato, Richard Smith Jr. "CONTINUOUS" QCM METHOD FOR THE FAST SCREENING OF PROMOTERS ...................................................................134 Kun-Hong Lee, Bo Ram Lee, Da-Hye Park, Jeong-Hoon Sa CONVECTIVE HEAT TRANSFER COEEFICIENT AT HYDRATE PELLET SURFACE DURING REGASIFICATION.......................................................................................................................................................................................135 Kwanjae Seong, Yong Seok Yoon, Seung Han Lee BUILDING OF A LIFE SIZE TESTING UNIT FOR AIR CONDITIONING BY USING TBAB HYDRATE SLURRY AS A SECONDARY TWO-PHASE REFRIGERANT.............................................................................................................136 Jerome Douzet, Pedro Brantuas, Jean-Michel Herri DEPENDENCE OF DRAWDOWN PRESSURE ON THE HYDRATE RE-FORMATION DURING METHANE HYDRATE PRODUCTION AND ITS INHIBITION WITH KINETIC HYDRATE INHIBITORS ..................................................137 Yutaek Seo, Seong-Pil Kang DESIGNING CLATHRATE HYDRATE MATERIALS FOR HYDROGEN STORAGE ...................................................................138 Keita Yasuda, Martin Braniff, Hiroki Sakamoto, Ryo Ohmura, E. Dendy Sloan, Carolyn Koh , Amadeu Sum DEVELOPMENT OF A NOVEL ROTARY CORING TOOL FOR GAS HYDRATE SEDIMENTS ...............................................139 Catalin Teodoriu, Giorgi Phochkhua, Kurt M. Reinicke, Karl-Eduard Winter DEVELOPMENT OF GUIDELINES FOR SAFETY OF SHIPS CARRYING NATURAL GAS HYDRATE PELLETS IN BULK ......................................................................................................................................................................................140 Susumu Ota, Hideyuki Shirota, Takashi Nakata, Shinya Yuasa DEVELOPMENT OF NGH PELLET PRODUCTION PROCESS.........................................................................................................149 Nobutaka Oya, Keiji Fukazawa, Isao Shinozaki, Shinya Fujii DEVELOPMENT OF THE SILO FOR NATURAL GAS HYDRATE (NGH) PELLET .....................................................................150 Hideharu Katoh, Keiji Fukazawa DIRECT OBSERVATION OF DISSOCIATION BEHAVIOR OF METHANE HYDRATES IN SANDY SEDIMENTS BY RAPID-SCANNING X-RAY CT IMAGING TO EVALUATE EFFECTS OF ADDING INHIBITOR TO WARM WATER INJECTION .......................................................................................................................................157 Takao Ebinuma, Yoshihiro Konno, Takashi Uchiumi DISCUSSION OF THE EFFECT OF MICROSTRUCTURES OF WATER-BASED DRILLING FLUIDS ON CHARACTERISTICS OF HEAT AND MASS TRANFER OF HYDRATE DISSOCIATION ...........................................................163 Ling Zhang, Guosheng Jiang, Fulong Ning, Bo Han, Xiang Wu, Bin Dou DISSOCIATION AND FORMATION OF GAS HYDRATE ...................................................................................................................164 Angelina Chiglintseva, Vladislav Shagapov, Marat Khasanov, Bulat Tazetdinov, Igor Chiglintsev DISSOCIATION BEHAVIOR OF METHANE HYDRATE IN SANDY CORES BELOW THE QUADRUPLE POINT..............................................................................................................................................................................................................165 Yoshihiro Konno, Hiroyuki Oyama, Takashi Uchiumi, Yusuke Jin, Jiro Nagao DISSOCIATION BEHAVIORS OF PROPANE HYDRATE BY INJECTING ETHYLENE GLYCOL SOLUTION .....................................................................................................................................................................................................166 Fuhai Dong, Deqing Liang DISSOCIATION BEHAVIOUR OF METHANE HYDRATE BEARING NATURAL AND ARTIFICIAL CORE ........................167 Hiroyuki Oyama, Yoshihiro Konno, Jiro Nagao EFFECT OF GAS HYDRATE DISSOCIATION ON SEAFLOOR STABILITY IN THE EASTERN NANKAI TROUGH AREA ............................................................................................................................................................................................168 Tore J. Kvalstad, Koji Yamamoto, Satoshi Noguchi, Kenichi Soga, Shun Uchida EFFECT OF IMPELLER AGITATION ON PREPARATION OF TETRA-N-BUTYL AMMONIUM BROMIDE SEMI-CLATHRATE HYDRATE SLURRIES...........................................................................................................................................169 Shunsuke Hashimoto, Hiroyuki Ito, Kazunari Ohgaki, Yoshiro Inoue EFFECT OF PROMOTERS ON CO2 CAPTURE FROM SIMULATED FLUE GAS BY HYDRATES FORMATION IN EMULSION ....................................................................................................................................................................174 Anne Sinquin, Alexandre Scondo EFFECTS OF GUEST GAS ON PELLETIZING PERFORMANCE OF NATURAL GAS HYDRATE (NGH) PELLETS ........................................................................................................................................................................................................181 Tetsuro Murayama, Wataru Iwabuchi, Masato Ito, Masahiro Takahashi ELECTRICAL RESISTIVITY MEASURMENTS OF CH4 HYDRATE-BEARING SANDSTONE DURING FORMATION .................................................................................................................................................................................................187 Knut Arne Birkehal, Geir Ersland, Lars Petter Oren Hauge, Arne Graue, Keith Hester, Jim Stevens, James Howard ENGINEERING INVESTIGATION OF HYDROGEN STORAGE IN THE FORM OF CLATHRATE HYDRATES: CONCEPTUAL DESIGNS OF HYDRATE STORAGE SILOS .....................................................................................199 Toshio Shibata, Hiroshi Yamachi, Ryo Ohmura, Yasuhiko H. Mori ENHANCED GAS HYDRATE PROCESS FOR PRE-COBUSTION CAPTURE OF CARBON DIOXIDE ....................................200 Seong-Pil Kang ENHANCEMENT OF HYDROGEN STORAGE RATE IN PRE-TREATED SEMI-CLATHRATE HYDRATES ........................201 Kazunari Ohgaki, Takeshi Sugahara, Shunsuke Hashimoto, Singo Amano, Yuya Fujisawa, Takaaki Tsuda ENVIRONMENTAL IMPACT ASSESSMENT STUDIES ON JAPAN'S METHANE HYDRATE R&D PROGRAM .....................................................................................................................................................................................................206 Nao Arata, Sadao Nagakubo, Koji Yamamoto, Itsuka Yabe, Hideo Kobayashi ENVIRONMENTAL RISK ANALYSIS OF METHANE HYDRATE DEVELOPMENT ...................................................................214 Itsuka Yabe, Nao Arata, Sadao Nagakubo, Koji Yamamoto, Hideo Kobayashi EXPERIMENT RESEARCH ON HYDRATE DISSOCIATION BY DEPRESSUREIZATION IN THREE DIMENSIONAL APPARATUS....................................................................................................................................................................220 Xiao-Sen Li, Yu Zhang, Gang Li, Qing-Ping Li, Bo Li EXPERIMENTAL AND COMPUTATIONAL 13C NMR STUDIES OF GUEST MOLECULE CONFORMATIONS IN LARGE CAGES OF STRUCTURE H CLATHRATE HYDRATES ...........................................................221 Saman Alavi, Jong-Won Lee, Hailong Lu, Igor I. Moudrakovski, Christopher I. Ratcliffe, Ryo Ohmura , John A. Ripmeester EXPERIMENTAL INVESTIGATION INTO REPLACEMENT OF CH4 IN HYDRATE IN POROUS SEDIMENT WITH LIQUID CO2 INJECTION .........................................................................................................................................228 Xiao-Sen Li, Li-Jun Xiong, Zhi-Yong Zeng, Gang Li, Zhao-Yang Chen, Yu Zhang , Qing-Ping Li EXPERIMENTAL INVESTIGATION OF HYDRATE DISSOCIATION IN POROUS MEDIA USING HUFF AND PUFF METHOD IN A NOVEL CUBIC HYDRATE SIMULATOR .............................................................................................229 Xiao-Sen Li, Gang Li, Yi Wang, Yu Zhang, Zhao-Yang Chen, Qing-Ping Li EXPERIMENTAL SIMULATION OF HYDRATE FORMATION AND CH4 PRODUCTION WITH THE LARGE LABORATORY RESERVOIR SIMULATOR (LARS).............................................................................................................230 Erik Spangenberg, Ronny Giese, Judith M. Schicks EXPERIMENTAL STUDY ON COAL BED METHANE SEPARATION BY THF SOLUTION HYDRATE FORMATION .................................................................................................................................................................................................231 Xuqiang Guo, Jin Dong, Qiang Sun, Guang-Yin Chen STUDY OF RECOVERING H2 FROM THE COKE-OVEN GAS MIXTURE BY FORMING HYDRATE ....................................232 Xuqiang Guo, Jiangjie Dong EXPERIMENTAL STUDY FOR GAS HYDRATE FORMATION AND RECOVERY OF FLUORINE- CONTAINING COMPOUND IN STATIC MIXING-TYPE FLOW REACTOR .................................................................................233 Hideo Tajima, Yasuhiro Oota, Hiroki Yoshida, Kazuaki Yamagiwa EXPERIMENTAL STUDY OF INFLUENCE FACTORS OF HOT-BRINE STIMULATION FOR DISSOCIATION OF NGH IN POROUS MEDIUM..................................................................................................................................239 Shuxia Li, Yueming Chen, Yongmao Hao EXPERIMENTS ON SELF-PRESERVATION PROPERTY & DISSOCIATION LIMIT TEMPERATURE OF METHANE HYDRATE PELLETS FOR SEA-BORNE TRANSPORT OF NATURAL GAS HYDRATE -2ND REPORT- ........................................................................................................................................................................................................247 Hideyuki Shirota, Susumu Ota EXPLOITATION OF MARINE GAS HYDRATE USING HOT BRINE PREPARED IN SITU SEABED BASED ON HYDRATE PROCESS: A PRELIMINARY STUDY .........................................................................................................................260 Xiao-Sen Li, Zhao-Yang Chen, Qiu-Nan Lv, Yu Zhang, Ke-Feng Yan EXPERIMENTAL STUDY ON SEISMIC WAVE VELOCITY IN HYDRATE BEARING SEDIMENTS - RESULTS ON THE SEDIMENT FROM THE ULLEUNG BASIN, EAST SEA, OFFSHORE KOREA ..........................................261 Gye-Chun Cho, Hak-Sung Kim, Jaehyung Lee FIBER OPTIC BASED DISTRIBUTED SENSING OF METHANE HYDRATE PRODUCTION: RESULTS FROM LOCALIZED HEATING EXPERIMENTS ..................................................................................................................................262 John Leeman, Claudia Rawn, Megan Elwood Madden, Tommy Phelps FIRST-ORDER ESTIMATION OF IN-PLACE NATURAL GAS RESOURCES AT THE NYEGGA AND VESTNESA GAS HYDRATE PROSPECTS, NORWEGIAN-SVALBARD MARGIN........................................................................263 Kim Senger, Stefan Buenz, Juergen Mienert FORMATION OF GAS HYDRATE UNDER LOW TEMPERATURE AND LOW PRESSURE USING ULTRASONIC MIST GENERATOR .........................................................................................................................................................264 Yoshitaka Yamamoto, Shinichiro Hirabayashi, Taro Kawamura, Michika Ohtake, Motoki Takeuchi, Atsushi Murata, Takaaki Hoshina, Tomoya Tsuji, Ji-Ho Yoon, Seong-Pil Kang FUNDAMENTAL STUDIES ON NATURAL GAS HYDRATE RESERVOIR DEVELOPMENT PROGRAM BY DEPRESSURIZING.......................................................................................................................................................................................271 Yueming Chen, Yaping Liu, Shuxia Li, Zhanxiang Lei GAS HYDRATE IMAGING WITH WAVEFORM INVERSION: A CASE STUDY FROM THE INDIAN EAST COAST.............................................................................................................................................................................................................283 Priyank Jaiswal, Colin Zelt, Pawan Dewangan GAS HYDRATE TECHNOLOGY FOR CO2 SEPARATION ................................................................................................................284 Mitsuru Miyagawa, Kazuyoshi Matsuo, Souichiro Sakurai, Masakazu Sakai GAS PRODUCTION MODELING FROM A COMPLEX 3-D DESCRIPTION OF MARINE HYDRATE DEPOSITS ......................................................................................................................................................................................................290 Brian Anderson, Manohar Gaddipati, Eugene Myshakin, Ray Boswell GEOMECHANICAL CONSTITUTIVE MODELLING OF GAS-HYDRATE-BEARING SEDIMENTS ........................................291 Nabil Sultan, Sebastien Garziglia GEOMECHANICAL IMPACT OF SOIL LAYERING IN HYDRATE-BEARING SEDIMENTS DURING GAS PRODUCTION ...............................................................................................................................................................................................302 Shun Uchida, Kenichi Soga, Koji Yamamoto, Tore J-Kvalstad GLOBAL RESOURCE POTENTIAL OF GAS HYDRATE — A NEW CALCULATION .................................................................309 Arthur Johnson HEAT TRANSFER ANALYSIS OF RE-GASIFICATION OF PACKED BED OF HYDRATES ......................................................313 Susumu Tanaka, Yosuke Nakai, Kiyoshi Shimada, Osamu Takano, Go Oishi RHEOLOGY OF WATER COATED GLASS BEADS DISPERSED IN MINERAL OIL AS A MODEL SYSTEM FOR HYDRATE SLURRY FLOW..............................................................................................................................................................323 Eric Webb, Matthew Liberatore, Carolyn Koh, Dendy Sloan, Amadeu Sum HYDRATE PETROLEUM SYSTEM APPROACH TO HYDRATE NATURAL GAS EXPLORATION ........................................324 Michael Max, Arthur Johnson HYDRATE PRODUCTION IN OPTIMUM CONDITION TO BE USED FOR NATURAL GAS STORAGE AND TRANSPORTATION ....................................................................................................................................................................................336 Hamid Ganji, Hajar Fakharian, Abbas Naderi Far, Mohammad Kameli HYDRATE RESERVOIR SATURATION FROM RESISTIVITY ANISOTROPY .............................................................................337 Doug Murray, Satoshi Noguchi, Tetsuya Fujii, Koji Yamamoto, Scott Dallimore IMPROVING METHODS FOR GAS PRODUCTION FROM HYDRATE-BEARING SEDIMENTS: CHANCES AND CHALLANGES ....................................................................................................................................................................................346 Judith Maria Schicks, Erik Spangenberg, Bernd Steinhauer, Ronny Giese, Manja Luzi, Bettina Beeskow-Strauch , Jens Klump, Joerg Erzinger CO2 CAPTURE BY HYDRATE CRYSTALLIZATION: IN-SITU STUDY BY RAMAN SPECTROSCOPY .................................347 Bertrand Chazallon INVESTIGATION ON A NOVEL REACTOR FOR GAS HYDRATE PRODUCTION .....................................................................348 Mirko Filipponi, Federico Rossi, Beatrice Castellani, Gianfranco Savelli, Lucia Brinchi, Franco Cotana IONIC CLATHRATE HYDRATES AS SOLID ELECTROLYTES FOR ELECTROCHEMICAL SYSTEMS..............................356 Huen Lee, Wonhee Lee, Seongmin Park, Jong-Ho Cha KINETICS OF DESALINATION BY GAS HYDRATE FORMATION WITH IN-SITU RAMAN SPECTROSCOPY..........................................................................................................................................................................................357 Kyung Chan Kang, Sang Yeon Hong, Kyeong-Nam Park, Jin Woo Lee, Ju Dong Lee LAB-SCALE THERMAL STIMULATION ON NATURAL GAS HYDRATE-BEARING SEDIMENTS SUB- SAMPLED FROM PRESSURE CORES — PRELIMINARY RESULTS .............................................................................................358 Joo Yong Lee, Jae Hyung Lee, Jae Woong Jung MARINE CONTROLLED SOURCE ELECTROMAGNETIC METHODS FOR GAS HYDRATE ASSESSMENT: NEW INSTRUMENTATION AND FIRST FIELD APPLICATIONS ......................................................................359 Katrin Schwalenberg, Martin Engels MATHEMATICAL MODELS OF HYDRATE FORMATION IN GAS WELLS ................................................................................360 Edward Bondarev, Kira Argunova, Igor Rozin MECHANISM OF POOL FIRE EXTINCTION BY CARBON DIOXIDE HYDRATE.......................................................................365 Kosuke Sasakura, Masaki Murai, Satoko Fujioka, Takeshi Yokomori, Ryo Ohmura, Toshihisa Ueda MECHANISMS OF GAS EVOLUTION AND TRANSPORT IN A PRODUCING GAS HYDRATE RESERVOIR: AN UNCONVENTIONAL BASIS FOR SUCCESSFUL HISTORY MATCHING OF OBSERVED PRODUCTION FLOW DATA .....................................................................................................................................................................366 J . F. Wright, M. Uddin, S. R. Dallimore, D. Coombe MECHANOCHEMICAL SYNTHESIS OF HYDROCARBONS WITH COMPLICATED STRUCTURE FROM LIGHT COMPONENTS OF NATURAL GAS CONVERTED INTO HYDRATE ...............................................................................378 Liudmila Kalacheva, Elena Shitz, Aytalina Fedorova, Vladilina Koryakina, Edward A Bondarev METHANE HYDRATE PRODUCTION AND DEHYDRATION USING CENTRIFUGAL SEPARATION ..................................383 Jin Woo Lee, Dae Won Park, Kyung Chan Kang, Joung Ha Kim, Jae Ho Yun, Ju Dong Lee METHANE HYDRATE SYNTHESIS UNDER FREE CONVECTION CONDITIONS......................................................................384 Mattwey Semenov, Elena Shitz, Igor Rozhin, Alexander Safronov, E A. Bondarev METHANE RECOVERY FROM HYDRATE-BEARING SEDIMENTS BY N2-CO2 GAS MIXTURE INJECTION: EXPERIMENTAL INVESTIGATION ON CO2-CH4 EXCHANGE RATIO ................................................................388 Yoshihiro Masuda, Hideyuki Maruta, Shigemi Naganawa, Kyogo Amikawa, Jiro Nagao, Hironori Haneda, Yoshihiro Konno MOLECULAR STORAGE OF HYDROGEN IN SIMPLE AND BINARY CLATHRATE HYDRATES .........................................389 Takeshi Sugahara, P. S. R. Prasad, Vahid Taghikhani, Takaaki Tsuda, Kazunari Ohgaki, E. Dendy Sloan , Carolyn A. Koh, Amadeu K. Sum MONITORING THE METHANE HYDRATE DISSOCIATION BY THE OFFSHORE METHANE HYDRATE PRODUCTION TESTS USING MULTI-COMPONENT SEISMIC.......................................................................................................390 Eiichi Asakawa, Tsutomu Hayashi, Taku Okamoto, Hiroo Takahashi, Tatsuo Saeki MULTICOMPONENT SEISMIC METHODS FOR CHARACTERIZING GAS HYDRATE OCCURRENCES AND SYSTEMS IN DEEP-WATER GULF OF MEXICO .......................................................................................................................391 Seth Haines, Myung Lee, Timothy Collett, Bob Hardage COMPLETION OF NATURAL GAS HYDRATE (NGH) OVERLAND TRANSPORTATION DEMO PROJECT.......................401 Satoo Nakai, Kiyoshi Horiguchi, Shigeru Watanabe, Hidenori Moriya, Akinori Yoshimitsu, Atsushi Taoda NATURAL GAS HYDRATE PRODUCTION AND TRANSPORTATION ..........................................................................................402 Khodadad Nazari, Zahra Taheri, Ramin Khodafarin, Mehrdad Mehrabi NEW INSIGHT ON GAS HYDRATE FORMATION IN SAND THROUGH MAGNETIC RESONANCE IMAGING .......................................................................................................................................................................................................409 Peter Englezos, S. Alireza Bagherzadeh, Igor Moudrakovski, John Ripmeester NUMERICAL ANALYSIS ON SEABED GROUND DEFORMATION IN METHANE HYDRATE PRODUCTION ...............................................................................................................................................................................................410 Eiji Ogisako, Shinfya Nishio, Atsushi Denda NUMERICAL INVESTIGATION OF THE GAS PRODUCTION BEHAVIOR OF NATURAL GAS HYDRATES IN POROUS SEDIMENTS ...........................................................................................................................................................................411 Xuke Ruan, Yongchen Song, Haifeng Liang, Yanghui Li, Mingjun Yang, Wei-Haur Lam NUMERICAL MODELING OF GAS PRODUCTION FROM HYDRATE RESERVOIRS...............................................................419 Amir Shahbazi, Mehran Pooladi-Darvish NUMERICAL SIMULATION ANALYSIS OF WELLBORE STABILITY DURING THE PROCESS OF DRILLING FLUID INVASION IN HYDRATE BEARING SEDIMENT ..............................................................................................420 Han Cao, Jonny Rutqvist, Guosheng Jiang, Fulong Ning NUMERICAL SIMULATION OF GAS HYDRATE DECOMPOSITION IN POROUS MEDIA UNDER THE ACTION OF MICROWAVE HEATING....................................................................................................................................................421 Sergey Sysoev, Anatoli Kislitsyn NUMERICAL STUDIES ON PRODUCTION OF NATURAL GAS FROM NATURAL GAS HYDRATE IN A DEFORMABLE SEDIMENT BED..............................................................................................................................................................431 Pavitra Sandilya, Subhasis Mandal NUMERICAL STUDY OF THE CRITICAL PARAMETERS ON GAS DIOXIDE HYDRATE FORMATION AND GAS METHANE HYDRATE DECOMPOSITTION ......................................................................................................................437 Maria Llamedo, Alfredo Viloria, Francisco Yanez, Alexis Gammiero PARAMETERS FOR THE SELECTION OF EFFECTIVE TECHNOLOGY FOR GAS HYDRATE DEPOSIT DEVELOPMENT...........................................................................................................................................................................................446 Yuri Makogon, Roman Omelchenko PHASE EQUILBRIA OF BLAST FURNACE GAS (BFG) HYDRATES BY USING "CONTINUOUS" QCM METHOD ........................................................................................................................................................................................................453 Bo Ram Lee, Da-Hye Park, Jeong-Hoon Sa, Kun-Hong Lee PHASE EQUILIBRIUM AND HEAT OF DISSOCIATION FOR BINARY CLATHRATE HYDRATE: IMPLICATIONS FOR REFRIGERATION SYSTEM .............................................................................................................................454 Hyeong-Hoon Lee, Sook-Hyun Ahn, Byong-Uk Nam, Byeong-Soo Kim, Ji-Ho Yoon, Gang-Woo Lee , Donghyun Moon, Hyung Joon Shin, Kyu Won Han POTENTIAL DME STORAGE IN UNDERGROUND CAVERNS: INVESTIGATION OF THE PHASE BEHAVIOUR OF THE DME — WATER SYSTEM AT LOW TEMPERATURE ..............................................................................455 Antonin Chapoy, Rod Burgess, Bahman Tohidi, Claire Baudry, Anne-Julie Defossez PREDICTING CARBON DIOXIDE HYDRATE FORMATION CRYSTALLIZATION KINETICS REGARDING CO2 RECOVERY AND SEQUESTRATION PROCESSES...........................................................................................465 Bahman Zare Nezhad, Mona Mottahedin PREDICTION OF PERFORMANCES OF METHANE HYDRATE PRODUCTION TESTS IN THE EASTERN NANKAI TROUGH .......................................................................................................................................................................................466 Masanori Kurihara, Hisanao Ouchi, Akihiko Sato, Koji Yamamoto, Satoshi Noguchi, Hideo Narita, Jiro Nagao, Yoshihiro Masuda INCREASE IN GAS PRODUCTION FROM HYDRATES BY COMBINING DEPRESSURISING WITH HEATING OF THE WELLBORE...............................................................................................................................................................482 Simon Falser, Andrew Palmer, Tan Thiam Soon, Khoo Boo Cheong PRODUCTION DATA ANALYSIS OF TYPE III HYDRATE RESERVOIRS ....................................................................................487 S. Hamed Tabatabaie, Mehran Pooladi-Darvish PRODUCTION STRATEGY FOR MARINE HYDRATES RESERVOIRS .........................................................................................488 Kishore Mohanty, Jyoti Phirani PROPERTIES AND APPLICATION OF ADDITIVE ENHANCED CO2 HYDRATES......................................................................489 Barbel Egenolf-Jonkmanns, Stefano Bruzzano, Goerge Deerberg P-T DEPENDENT DEGREE OF "SELF-PRESERVATION" OF CH4 AND NG-HYDRATES IN THE CONTEXT OF OFFSHORE GAS TRANSPORT ..........................................................................................................................................................491 Andrzej Falenty, Michael Glockzin, Werner F Kuhs, Gregor Rehder RECOVERY OF HYDROGEN HYDRATE TO AMBIENT TEMPERATURE AND PRESSURE .................................................. N/A Christopher O'Neill RECOVERY OF METHANE HYDRATES BY CO2 INJECTION: EXPERIMENTAL INVESTIGATION....................................492 Yuanyuan He, E. Susanne J. Rudolph, Pacelli L. J. Zitha, Michael Golombok RE-GASIFICATION SIMULATION OF NGH PELLETS INSIDE A TRANSPORT SHIP IN EMERGENCY .............................493 Go Oishi, Kiyoshi Shimada, Isao Yoshino, Takashi Nakata, Shinya Yuasa RELATION BETWEEN GAS HYDRATE AND GEOLOGIC STRUCTURES IN DONGSHA ISLANDS SEA NORTHERN OF SOUTH CHINE SEA ......................................................................................................................................................500 Yuehua Gong, Hongbin Wang, Guangxue Zhang, Shenxiong Yang, Jinqiang Liang RERVIEW OF MARINE GAS HYDRATE RESEARCH IN CHINA ....................................................................................................501 Nengyou Wu, Lihua Liu RESERVOIR ACRCHITECTURE OF METHANE HYDRATE BEARING TURBIDITE CHANNELS IN THE EASTERN NANKAI TROUGH, JAPAN....................................................................................................................................................502 Satoshi Noguchi, Toshiko Furukawa, Thantin Aung, Nobutaka Oikawa RHEOLOGICAL STUDY ON TETRA-N-BUTYL AMMONIUM SALT SEMI-CLATHRATE HYDRATE SLURRIES ......................................................................................................................................................................................................511 Shunsuke Hashimoto, Kazushi Kawamura, Hiroyuki Ito, Kazunari Ohgaki, Yoshiro Inoue, Masahiro Nobeoka RISK ASSESSMENT OF ENHANCED GEOLOGICAL STORAGE OF CO2 USING GAS HYDRATES.......................................518 Takeshi Komai, Yasuhide Sakamoto, Atsuko Tanaka THERMAL-PROPERTY MEASUREMENTS OF IONIC SEMI-CLATHRATE HYDRATES FORMED WITH TETRABUTYLPHOSPHONIUM BROMIDE ...........................................................................................................................................524 Takuya Suginaka, Hiroki Sakamoto, Satoshi Takeya, Ryo Ohmura SEISMIC DETECTION AND QUANTIFICATION OF GAS HYDRATES IN NORTHERN GULF OF MEXICO .......................525 Jianchun Dai, Dianna Shelander, George Bunge, Niranjan Banik, Nader Dutta SEISMIC SIGNAL ABSORPTION BEHAVIOR OF GAS HYDRATE BEARING SEDIMENTS OF JAPAN SEA.......................532 Luiz Santos, Antonio Freire, Ryo Matsumoto, Emanuel Costa, Dennis Miller SELECTIVE SEPARATION OF CARBON DIOXIDE FROM GAS MIXTURES USING HYDROQUINONE CLATHRATE .................................................................................................................................................................................................533 Kyuwon Han, Donghyun Moon, Hyung-Joon Shin, Ji-Ho Yoon, Gang-Woo Lee SIMULATION OF CH4 PRODUCTION FROM SUBSEA GAS HYDRATE DEPOSITS COUPLED WITH CO2 STORAGE.......................................................................................................................................................................................................534 Goerge Deerberg, Georg Janicki, Stefan Schluter, Torsten Hennig SIMULATION OF GEOMECHANICAL EFFECTS OF CO2 INJECTION IN COLD AQUIFERS WITH POSSIBILITY OF HYDRATE FORMATION ..........................................................................................................................................542 Bjorn Kvamme, Khaled Jemai, Ashok Chejara, Mohammad Taghi Vafaei STRUCTURAL ORIGIN OF METHANE RECOVERY FROM GAS HYDRATE BY CO2 ...............................................................548 Yunfeng Liang, Yohei Mikami, Makoto Kunieda, Toshifumi Matsuoka STUDY OF TECHNOLOGY FOR ENERGY RECOVERY FROM LANDFILL GASUSING HYDRATE METHOD ........................................................................................................................................................................................................549 Donghyun Moon, Hyung-Joon Shin, Kyuwon Han, Ji-Ho Yoon, Gang-Woo Lee STUDY ON CO2 HYDRATE FORMATION PROCESS IN MARINE SEDIMENTS..........................................................................550 Mingjun Yang, Yongchen Song, Xuke Ruan, Yu Liu, Weiguo Liu, Jiafei Zhao SURFACTANT EFFECTS ON HYDRATE FROMATION FROM A METHANE + ETHANE + PROPANE MIXTURE .......................................................................................................................................................................................................556 Takehide Kodama, Naoki Ando, Yasuhiko H. Mori SYNTHESIS OF CO2 HYDRATES IN A SLURRY BUBBLE COLUMN .............................................................................................557 Denis Myre, Arturo Macchi, Phillip Servio THERMODYNAMIC EQUILIBRIUM DATA FOR MIXED HYDRATES OF CO2-N2, CO2-CH4, CO2-H2 IN PURE WATER AND TBAB SOLUTIONS .................................................................................................................................................565 Didier Dalmazzone, Wassila Bouchafaa TEST RESEARCH ON PRESSURE - TEMPERATURE - PRESERVING SAMPLING DRILLING TOOLS FOR GAS HYDRATE .............................................................................................................................................................................................573 Hong Ren, Junliang Xu, Wanshun Bo, Jieran Zhu THE DEVELOPMENT OF A METER-SCALE TEST PRODUCTION SYSTEM AND PRELIMINARY RESULTS ........................................................................................................................................................................................................580 Jaehyoung Lee, Jae Yong Lee, Jae Woong Jung THE EFFECT OF DRILLING CIRCULATION AND INVASION ON THE NEAR WELLBORE GAS HYDRATE-BEARING SEDIMENTS .........................................................................................................................................................581 Fulong Ning, Yibing Yu, Ling Zhang, Guosheng Jiang, Keni Zhang THE FEASIBILITY OF GAS PRODUCTION FROM GAS HYDRATE RESERVOIR WITH OCEAN SURFACE WARM WATER ............................................................................................................................................................................................595 Yuhu Bai, Qingping Li THE PHASE BEHAVIOURS IN MIXED G + TETRA-N-BUTYLPHOSPHONIUM BOROHYDRIDE AND G + TETRA-N-BUTYLAMMONIUM HYDROXIDE HYDRATES (WHERE G = H2, N2) ........................................................................596 Didier Dalmazzone, Oleksandr Dolotko, Amir Abbas Karimi THE PLAN OF THE OFFSHORE PRODUCTION TEST OF MARINE METHANE HYDRATE AND TECHNICAL CHALLENGES .....................................................................................................................................................................606 Koji Yamamoto, Yoshihiro Terao, Maki Matsuzawa, Terumichi Ikawa, Satoshi Noguchi, Yoshihiro Nakatsuka , Hisanao Ouchi, Takayuki Kanno, Sadao Nagakubo, Norihito Inada THE POTENTIAL FOR METHANE HYDRATE FORMATION IN DEEP REPOSITORIES OF SPENT NUCLEAR FUEL IN GRANITIC ROCKS ................................................................................................................................................607 Bahman Tohidi, Antonin Chapoy, John Smellie, Ignasi Puigdomenech THE ROLE OF HYDRATE FORMATION PROCESSES IN INDUSTRIAL CO2 SEQUESTRATION IN PERMAFROST AREA..................................................................................................................................................................................612 Evgeny Chuvilin, Olga Guryeva THE SEPARATION KINETICS ANALYSIS OF CO2+N2 GAS MIXTURE BASED ON HYDRATE METHOD...........................620 Yuxing Li, Yuliang Chen, Wuchang Wang, Chao Zhu, Deqing Liang THE STUDY ON DRILLING FLUID FOR DRILLING IN MARINE NATURAL GAS HYDRATE BEARING FORMATION .................................................................................................................................................................................................621 Yunhzong Tu, Guosheng Jiang, Tianle Liu THEORETICAL ASPECTS OF HYDROGEN STORAGE IN CLATHRATE HYDRATES: LATTICE DYNAMICS AND FIRST-PRINCIPLES CALCULATIONS ..................................................................................................................622 Rodion Belosludov, Oleg Subbotin, Hiroshi Mizuseki, Vladimir Belosludov, Yoshiyuki Kawazoe THERMODYNAMIC MODELING OF GAS HYDRATE FORMING SYSTEMS CONTAINING THERMODYNAMIC PROMOTERS FOR A NOVEL CO2 CAPTURE PROCESS............................................................................623 Peter Herslund, Kaj Thomsen, Jens Abildskov, Nicolas Von Solms THERMODYNAMIC STABILITY AND SELF-PRESERVATION PROPERTIES OF SEMI-CLATHRATES IN THE METHANE-TETRA-N-BUTYLAMMONIUM BROMIDE-WATER SYSTEM .........................................................................624 Jebraeel Gholinezhad, Antonin Chapoy, Bahman Tohidi ULTRASONIC VELOCITY MEASUREMENTS DURING EXPERIMENTAL CH4 HYDRATE FORMATION AND CO2 EXCHANGE .................................................................................................................................................................................631 James Howard, Keith Hester, Jim Stevens, Marisa Rydzy UPGRADING OF BIOGAS TECHNOLOGY THROUGH THE APPLICATION OF GAS HYDRATES .......................................640 Simone Arca, Luca Poletti, Roberto Poletti, Emilio D'Alessandro, Antonio Poletti WELLBORE DESIGN ANALYSIS IN GAS HYDRATE BEARING SEDIMENTS ............................................................................650 Manoochehr Salehabadi, Shun Uchida, Kenichi Soga, Ermao Xu, Kenichi Soga, Koji Yamamoto EXTRATERRESTRIAL GAS HYDRATES CLATHRATE HYDRATES: FTIR SPECTROSCOPY FOR ASTROPHYSICAL REMOTE DETECTION ..................................651 Emmanuel Dartois, Bernard Schmitt, Mehdi Bouzit CO2 HYDRATE DISSOCIATION AT LOW TEMPERATURES - FORMATION AND ANNEALING OF ICE IC ......................660 Andrzej Falenty, Thomas C. Hansen, Werner F. Kuhs FORMATION AND DISSOCIATION OF CLATHRATE HYDRATES IN COMETS........................................................................661 Ulysse Marboeuf, Bernard Schmitt, Olivier Mousis, Jean-Marc Petit IDENTIFICATION OF PRODUCTS INDUCED BY GAMMA-RAY IRRADIATION IN CO2 HYDRATE....................................662 Motoi Oshima, Shinsuke Kitani, Atsushi Tani, Katsuhisa Kitano, Takeshi Sugahara, Kazunari Ohgaki METHANE HYDRATE ON MARS; A RESOURCE-RICH STEPPING STONE TO THE OUTER PLANETS? ..........................663 Michael Max, Arthur Johnson, Stephen Clifford THERMODYNAMIC MODELLING OF CLATHRATE HYDRATES IN THE ATMOSPHERE OF MARS ................................675 Jean-Michel Herri, Michel Cournil, Eric Chassefiere GAS HYDRATE FUNDAMENTALS HYDRATE PHASE EQUILIBRIA OF GAS MIXTURES CONTAINING CO2 ...................................................................................676 Veronica Belandria, Ali Eslamimanesh, Amir H. Mohammadi, Dominique Richon ACOUSTIC DETERMINATION OF METHANE HYDRATE DISSOCIATION PRESSURES........................................................677 Chad A. Greene, Preston S. Wilson, Richard B. Coffin ADVANCING THE SCIENCE OF CLATHRATE HYDRATES WITH MOLECULAR SIMULATIONS: PAST, PRESENT, AND FUTURE ...........................................................................................................................................................................688 Amadeu Sum, David Wu AN ADVANCED MICROMECHANICAL PROCEDURE AND DATA TREATMENT FOR CYCLOPENTANE HYDRATE INTERPARTICLE ADHESION FORCE MEASUREMENTS ..........................................................................................689 Zachary M. Aman, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh AN INVESTIGATION ON KINETICS OF GAS-HYDRATE FORMATION AND GROWTH .........................................................690 Olga Charov, Bernd Rathke, Stefan Will AN INVESTIGATION ON THE INHIBITORY EFFECT OF EMIM ETSO4 IONIC LIQUID ON HYDRATE FORMATION .................................................................................................................................................................................................697 Amir Nasser Ahmadi, Ali Haghtalab, Marzieh Zare, Khodadad Nazari APPLICATION OF HYBRID NANO-PROMOTER TO THE KINETIC FORMATION OF SF6 GAS HYDRATES ....................................................................................................................................................................................................698 Dong Hyun Kim, Kyeong Nam Park, Sang Yeon Hong, Seog Young Yoon, Ju Dong Lee MODELLING GAS HYDRATE EQUILIBRIA USING THE ELECTROLYTE NON-RANDOM TWO-LIQUID (ENRTL) MODEL..........................................................................................................................................................................................699 Matthias Kwaterski, Jean-Michel Herri SUPERHEATING BOUNDARY OF SI METHANE HYDRATE FROM ATOMISTIC SIMULATION ..........................................700 Grigory Smirnov, Vladimir Stegailov CAGE ADSORPTION HYPOTHESIS ON HYDRATE NUCLEATION MECHANISMS..................................................................701 Guang-Jun Guo CALCULATING HOMOGENEOUS HYDRATE NUCLEATION RATES USING MOLECULAR DYNAMICS SIMULATIONS..............................................................................................................................................................................................706 Matthew Walsh, Gregg Beckham, Carolyn Koh, Dendy Sloan, David Wu, Amadeu Sum CALCULATION OF INTERFACIAL TENSIONS BETWEEN HYDRATE AND LIQUID PHASES USING MOLECULAR SIMULATION ....................................................................................................................................................................707 Ryuji Sakamaki, Kenji Yasuoka, Eric Grzelak, David Wu, Ryo Ohmura, Amadeu Sum CALORIMETRIC STUDIES OF CLATHRATE HYDRTES WITH TERT-BUTYLAMINE (T-BUNH2) .......................................708 Dhanunjana Chari Vangala, V. S. G. K Sharma Deepala, Seetha Rama Prasad Pinnelli CARBON DIOXIDE HYDRATE NUCLEATION STUDIES THROUGH MOLECULAR SIMULATION .....................................709 Amadeu K. Sum, Da-Hye Park, Matthew Walsh, Patrick Lafond, Kun-Hong Lee, Carolyn A. Koh , E. Dendy Sloan, David T. Wu CARBON ISOTOPIC FRACTIONATION OF SYNTHETIC METHANE AND CARBON DIOXIDE HYDRATES ....................................................................................................................................................................................................710 Manja Luzi, Judith Schicks, Joerg Erzinger CHALLENGES IN THE DETERMINATION OF HYDRATE CONTENT: SENSITIVITY TO MEASUREMENTS AND ASSUMPTIONS ................................................................................................................................................711 Anuruddhika Jayasinghe, Jocelyn Grozic CHANGE OF THERMAL CONDUCTIVITY OF GAS-SATURATED SEDIMENTS DURING HYDRATE FORMATION AND FREEZING .................................................................................................................................................................723 Evgeny Chuvilin, Boris Buhanov CHARACTERIZATION OF ALCOHOL+METHANE HYDRATE USING RAMAN SPECTROSCOPY AND X- RAY DIFFRACTION ....................................................................................................................................................................................728 Keita Yasuda, Ryo Ohmura, Amadeu Sum CLATHRATE-HYDRATE FORMATION FROM A HYDROCARBON GAS MIXTURE: EVOLUTION IN COMPOSITION OF HYDROCARBON UPTATE INTO HYDRATES DURING THEIR SEQUENTIAL FORMATION .................................................................................................................................................................................................729 Wataru Kondo, Eiichiro Tachikawa, Ryo Ohmura, Yasuhiko H. Mori CLYSTAL GROWTH OF CLATHRATE HYDRATE IN LIQUID WATER SATURATED WITH A GUEST SUBSRANCE: OBSERVATIONS IN A HYDROCARBON-GAS MIXTURE + WATER SYSTEM .................................................730 Sho Watanabe, Kota Saito, Ryo Ohmura COMPRESSIBILITY, EXPANSION AND HEAT CAPACITY OF CH4 AND CO2 HYDRATES: MOLECULAR DYNAMICS SIMULATIONS ......................................................................................................................................................................731 Fulong Ning, Thijs Vlugt, Kirill Glavatskiy, Signe Kjelstrup CRYSTAL GROWTH OF CLATHRATE HYDRATE AT THE INTERFACE BETWEEN SEAWATER AND HYDROPHOBIC-GUEST LIQUID: EFFECT OF ELEVATED SALT CONCENTRATION ...........................................................732 Masatoshi Kishimoto, Satoshi IIjima, Ryo Ohmura CRYSTAL GROWTH OF STRUCTURE II HYDRATE ON A WATER DROPLET IN CONTACT WITH HYDROPHOBIC GAS AND LIQUID GUEST SUBSTANCES ..............................................................................................................733 Yosuke Ishida, Yusuke Takahashi, Ryo Ohmura CRYSTAL STRUCTURE AND STABILITY OF BUTANE CLATHRATE HYDRATE ....................................................................734 Satoshi Takeya, Akihiro Hachikubo, Hirotoshi Sakagami DEVELOPMENT OF A THERMODYNAMIC FRAMEWORK FOR THE SIMULATION OF MIXED GAS HYDRATES: FORMATION, DISSOCIATION, AND CO2-CH4 EXCHANGE ...................................................................................735 Nagasree Garapati, Srinath Velaga, Brian Anderson DIELECTRIC STUDY ON GAS HYDRATES USING TERAHERTZ TIME DOMAIN SPECTROSCOPY ..................................736 Kei Takeya, Iwao Kawayama, Hironaru Murakami, Kazunari Ohgaki, Masayoshi Tonouchi DISSOCIATION OF CLATHRATE HYDRATES BELOW ICE POINT..............................................................................................743 Satoshi Takeya, John Ripmeester EFFECT OF HYDRATE GUEST ON CLATHRATE MORPHOLOGY...............................................................................................753 Juan Beltran, Gina Decarie EFFECT OF HYDROPHOBIC SURFACES ON THE KINETICS OF HYDRATE FORMATION..................................................758 Roe-Hoan Yoon, Yongkoo Seol, Ruijia Wang, Jialin Wang, Zuoli Li, Jong-Ho Cha EFFECT OF IONIC LIQUID ON HYDRATE FORMATION RATE IN CARBON DIOXIDE HYDRATES..................................759 Takashi Makino, Yuuki Matsumoto, Hiroki Masuda, Takeshi Sugahara, Kazunari Ohgaki EFFECT OF PROTON CONFIGURATIONS ON THE NMR SHIIELDING CONSTANTS FOR METHANE MOLECULES IN THE CAGES OF STRUCTURE I CLATHRATE HYDRATE................................................................................763 Akira Hori, Mikhail Kirov EFFECT OF SURFACTANTS ON THE HYDRATE FORMATION KINETICS OF CARBON DIOXIDE ....................................764 Yuxing Li, Chao Zhu, Wuchang Wang, Yuliang Chen, Peng Chen, Haihang Liu , Bo Liang EFFECT OF THE MIXED SOLUTION OF THF AND SDS ON METHANE SEPARATION FROM COAL MINE METHANE BASED ON HYDRATE ...............................................................................................................................................765 Qiang Wu, Baoyong Zhang EFFECTS OF NOVEL GEMINI SURFACTANTS ON METHANE HYDRATE FORMATION ......................................................766 Jonathan Verrett, Phillip Servio EFFECTS OF STIRRING AND COOLING ON METHANE HYDRATE FORMATION IN A HIGH-PRESSURE ISOCHORIC CELL .......................................................................................................................................................................................767 Wei Ke, Thor Martin Svartaas EFFECTS OF WATER MOLECULAR CHARACTERISTICS ON THE THERMOPHYSICAL PROPERTIES OF METHANE HYDRATE..........................................................................................................................................................................777 Vahid Taghikhani, Bagher Abareshi, Cyrus Ghotbi, Amir Hossein Jalili ELECTRICAL CONDUCTIVITY OF LABORATORY-SYNTHESIZED METHANE HYDRATE .................................................778 Steven Constable, Wyatt Du Frane, Laura Stern, John Pinkston, Karen Weitemeyer, Jeff Roberts ELECTRICAL RESISTANCE MEASUREMENT OF METHANE HYDRATE DURING HYDRATE FORMATION/DISSOCIATION IN THE POROUS SEDIMENT ..........................................................................................................789 Guang-Jin Chen, Feng-Guang Li, Chang-Yu Sun, Xu-Qiang Guo, Qin Zhang, Xiao-Xiang Liu EQUILIBRIUM DATA OF CO2-BASED SEMI-CLATHRATES FROM QUATERNARY AMMONIUM SOLUTIONS ...................................................................................................................................................................................................790 Pedro Brantuas, Amina Bouchemoua, Jean-Michel Herri EQUILIBRIUM OF GAS HYDRATES USING MOLECULAR DYNAMICS SIMULATIONS ........................................................791 Sangyong Lee, Shaunak Potdar, Jae W. Lee EVIDENCE OF A MEMORY EFFECT IN THE FORMATION AND REFORMATION OF CYCLOPENTANE HYDRATE ......................................................................................................................................................................................................792 Malcolm Kelland, Hamidreza Sefidroodi, Eirin Abrahamsen EXPERIMENT ON QUADRUPLE PHASE STATES OF CARBON DIOXIDE AND METHANE MIXED HYDRATES ....................................................................................................................................................................................................805 Kaihua Guo, Chengming Jiang, Tao Yang, Yin Bi EXPERIMENTAL AND MODELING OF METHANE HYDRATE EQUILIBRIUM CONDITIONS IN POROUS MEDIUM.........................................................................................................................................................................................................812 Guang-Jin Chen, Qiu-Yan Mu, Li-Tao Chen, Zheng-Wei Ma, Julian Y. Zuo, Chang-Yu Sun, Qin Zhang, Bei Liu EXPERIMENTAL INVESTIGATION OF FORMATION CONDITIONS OF BIOGAS HYDRATE...............................................813 Lin-Jun Wang, Lin-Ping Li, Wei Wang, Xue-Min Zhang, Guo-Dong Wei EXPERIMENTAL INVESTIGATION OF THE IMPACT OF ELECTRIC FIELD ON GAS HYDRATE FORMATION .................................................................................................................................................................................................814 Irina Nizaeva EXPERIMENTAL INVESTIGATION ON FORMATION/DISSOCIATION KINETICS OF BINARY THF-H2 AND CP-H2 CLATHRATE HYDRATES ...................................................................................................................................................820 Jian-Wei Du, De-Qing Liang, Dong-Liang Li EXPERIMENTAL STUDIES ON THE SHAPE AND MOTION OF MH-BUBBLES RISING IN QUIESCENT FLUID ..............................................................................................................................................................................................................821 Yasuharu Satou, Fumio Kiyono, Caesar O. Harahap EXPERIMENTAL STUDY ON THE GROWTH HABIT OF HYDRATE IN POROUS MEDIA BY USING MAGNETIC RESONANCE IMAGING .....................................................................................................................................................826 Kaihua Xue, Jiafei Zhao, Yongchen Song, Chencheng Ye, Chuanxiao Cheng, Hailin Mu, Yu Liu, Weiguo Liu, Changsong Guo, Yiming Zhu EXPERIMENTAL STUDY ON THE PERMEABILITY OF POROUS MEDIA USING MAGNETIC RESONANCE IMAGING .............................................................................................................................................................................832 Yiming Zhu, Jiafei Zhao, Yongchen Song, Xiaojing Wang, Chencheng Ye, Yu Liu , Yi Zhang, Dayong Wang OBSERVATIONS OF MASS FRACTIONATION OF NOBLE GASES IN SYNTHETIC METHANE HYDRATE ......................833 Andrew Hunt, John Pohlman, Laura Stern, Carolyn Ruppel, Gary Landis, Richard Moscati, John Pinkston GAS HYDRATE DISSOCIATION BELOW THE ICE POINT OBSERVED BY MICROFOCUS X-RAY COMPUTED TOMOGRAPHY AND LOW-VACUUM SCANNING ELECTRON MICROSCOPY ................................................839 Hiroshi Ohno, Okio Nishimura, Kiyofumi Suzuki, Hideo Narita, Jiro Nagao GAS HYDRATE EQUILIBRIA FOR CO2-N2 AND CO2-CH4 GAS MIXTURES, EXPERIMENTS AND MODELLING .................................................................................................................................................................................................845 Jean-Michel Herri, Amina Bouchemoua, Matthias Kwaterski, Amara Fezoua, Yamina Ouabbas, Ana Camairao , Pedro Brantuas GAS HYDRATE DATA PORTAL...............................................................................................................................................................846 Kenneth Kroenlein, Chris Muzny, Robert Chirico, Michael Frenkel GIAO-DFT CALCULATIONS OF 13C CHEMICAL SHIFTS OF PROPANE MOLECULES ENCAGED IN THE CAGES OF STRUCTURE II CLATHRATE HYDRATE ........................................................................................................................847 Akira Hori, Masato Kida, Satoshi Takeya, Nobuo Takahashi HALOGEN AND HYDROGEN HOST-GUEST BONDING IN CLATHRATE HYDRATES ............................................................848 Konstantin Udachin, John Ripmeester HIGH PRESSURE DIFFERENTIAL SCANNING CALORIMETRY MEASUREMENT OF HYDRATES PHASE EQUILIBRIUM IN PORE WATER OF SHENHU AREA, SOUTH CHINA SEA ...............................................................................856 Qiang Chen, Yuguang Ye, Changling Liu MEASUREMENT AND PREDICTION OF HYDRATE FORMATION IN THE PRESCENCE OF HYDROGEN .......................858 Jianyuan Pang, Heng-Joo Ng, Julian Zuo, Dan Zhang, Qinglan Ma, Guangjin Chen HYDRATE NUCLEATION AND INHIBITION: NEW METHODS FOR DEEPER UNDERSTANDING ......................................859 Mark Rodger IMPACT OF HYDRATE DISSOCIATION ON THE STIFFNESS OF A SAND..................................................................................867 Jeffrey Priest, Amit Sultaniya, Christopher Clayton IN-SITU STUDY OF THE THERMAL CONDUCTIVITY OF TETRAHYDROFURAN-HYDATE-BEARING SEDIMENTS DURING DISSOCIATION PROCESS............................................................................................................................... 876 Chuanxiao Cheng, Jiafei Zhao, Wei-Haur Lam, Yongchen Song, Liguo Liu, Weiguo Liu, Weizhong Li, Yu Liu INTER-LABORATORY COMPARISON OF WAVE VELOCITY MEASUREMENTS IN A SAND UNDER HYDRATE-BEARING AND OTHER SET CONDITIONS .....................................................................................................................882 W. Waite, J. Santamarina, M. Rydzy, S. Chong, J. Grozic, K. Hester, J. Howard, T. Kneafsey, J. Lee, S. Nakagawa, J. Priest, E. Rees, C. Koh, E. Sloan, A. Sultaniya INTRODUCING NEW NUCLEI IN SOLID STATE NMR OF HYDRATES .......................................................................................883 Igor Moudrakovski, Chris Ratcliffe, John Ripmeester VOLUME 2 INVESTIGATION OF GAS HYDRATE FORMATION IN FROZEN AND THAWING GAS SATURATED SEDIMENTS...................................................................................................................................................................................................893 Evgeny Chuvilin, Maria Lupachik CARBON DIOXIDE HYDRATES CRYSTALLISATION IN EMULSION ..........................................................................................902 Aurelie Galfre, Amara Fezoua, Ana Cameirao, Jean-Michel Herri, Yamina Ouabbas KINETIC OF DROPLET HYDRATE FORMATION BY SHRINKING CORE MODEL ..................................................................910 Abolfazl Mohamamdi, Mehrdad Manteghian, Seyed Mahmoud Mousavi, Alireza Azimi, Seyed Mojtaba Hoseini Nasab, Azizollah Jamshidi , Amir Abbas Izadpanah KINETIC STUDIES ON METHANE HYDRATE FORMATION WITH HYDRATE INHIBITOR AND PROMOTER VIA IN-SITU RAMAN SPECTROSCOPY........................................................................................................................911 Sang Yeon Hong, Kyung Chan Kang, Kyeong Nam Park, Jin Woo Lee, Ju Dong Lee, Man Sik Lee KINETICS AND THERMODYNAMICS STUDIES ON METHANE HYDRATE REGENERATION AND AGGREGATION UNDER FLOW CONDITION OF WATER ...............................................................................................................912 Keiichi Ogasawara, Taro Kawamura, Fumio Kiyono, Yoshitaka Yamamoto NEW EXPERIMENTAL SET-UP FOR IN SITU RAMAN SPECTROSCOPY TO INVESTIGATE THE KINETICS OF FORMATION OF HYDROGEN + TETRA-N-BUTYLAMMONIUM BROMIDE SEMI- CLATHRATE HYDRATES .........................................................................................................................................................................913 Alondra Torres Trueba, Ivona Rodovic, John Zevenbergen, Maaike Kroon, Cor J. Peters LABORATORY FORMATION OF NON-CEMENTING, METHANE HYDRATE-BEARING SANDS .........................................914 William Waite, P. M. Bratton, D. H. Mason STRONG FAILURE OF SEABED INDUCED BY GAS HYDRATE DISSOCIATION ......................................................................921 Xiaobing Lu, Xu Hui Zhang, Q. P. Li, H. Y. Yao, Shu Yun Wang LONG-TERM THERMODYNAMIC STABILITY OF METHANE HYDRATE IN THE PRESENCE OF LOW- DOSE HYDROXYETHYL CELLULOSIC POLYMERS ........................................................................................................................927 Mahboobeh Mohammad-Taheri, Khodadad Nazari, Abdolsamad Zarringhalam Moghaddam, Nooshin Gholipour Zanjani, Mitra Sina MEASUREMENTS FOR THE DISSOCIATION CONDITIONS OF METHANE HYDRATE IN THE PRESENCE OF ADDITIVES .......................................................................................................................................................................933 Yan-Ping Chen, Muoi Tang, Chih-Tien Cheng, Li-Jen Cheng, Shiang-Tai Lin MEASURING AND MODELING THE RATE OF GROWTH OF GAS HYDRATES FORMED FROM MIXTURES OF METHANE AND CARBON DIOXIDE .........................................................................................................................934 Carlos Giraldo, Matthew Clarke, Brij Maini, P. R. Bishnoi METASTABILITY IN GAS HYDRATES FORMATION AND DECOMPOSITION METASTABILITY IN GAS HYDRATES FORMATION AND DECOMPOSITION ...........................................................................................................................935 Vladimir Istomin, Valery Kvon, Sergey Dolgaev, Evgeny Chuvilin, Anatoly Nesterov, Alexey Reshetnokov METASTABILITY PHENOMENA OF ETHANE HYDRATE INDUCED BY COBAL COMPLEX AND BASE ..........................936 Huen Lee, Woongchul Shin, Kyuchul Shin, Jiwoong Seol, Dong-Yeun Koh, Jae-Hyung Lee METHANE HYDRATE GROWTH AND ITS RECOVERY WITH CARBON DIOXIDE VIA MOLECULAR DYNAMIC SIMULATIONS.........................................................................................................................................................................937 Shiang-Tai Lin, Yen-Tien Tung METHANE PURIFICATION BY SEQUENTIAL GAS HYDRATE FORMATION IN POROUS MEDIA .....................................938 Nooshin Gholipour Zanjani, Khodadad Nazari, Abdolsamad Zarringhalam Moghaddam, Mahboobeh Mohammad Taheri, Mitra Sina MICROSCOPIC OBSERVATIONS OF SINTERING PROCESSES ON GAS HYDRATE PARTICLES .......................................944 Tsutomu Uchida, Toshimitsu Sakurai, Toshiki Shiga, Masafumi Nagayama, Kazutoshi Gohara MODEL OF CLATHRATE HYDRATE FILM GROWTH INCORPORATING THE EFFECTS OF HEAT CONDUCTION, MOLECULAR DIFFUSION, AND INTRINSIC KINETICS: FORMULATION AND NUMERICAL STUDY ..................................................................................................................................................................................945 Caesar Harahap, Fumio Kiyono MODELING HYDRATE FORMATION CONDITIONS FOR REFRIGERANT R-134A, R-141B AND R-152A USING THE CPA EQUATION OF STATE AND OBTAINING THE KIHARA POTENTIAL PARAMETERS FOR THESE REFRIGERANTS ..................................................................................................................................................................946 Fatemeh Nikbakht, Amir Abbas Izadpanah, Farshad Varaminian MODELING OF BINARY HYDROGEN HYDRATES IN THE PRESENCE OF THF ......................................................................953 Cyrus Ghotbi, Maryam Ghorbanzadeh, Vahid Taghikhani MODELING OF METHANE AND PROPANE HYDRATE FORMATION KINETICS BASED ON CHEMICAL AFFINITY .......................................................................................................................................................................................................954 Farshad Varaminian, Amir Abbas Izadpanah MODELING OF THE PROPERTIES OF METHANE + ETHANE (PROPANE) BINARY HYDRATES IN DEPENDENCE ON THE GAS PHASE COMPOSITION........................................................................................................................962 Ravil Zhdanov, Tatyana Adamova, Oleg Subbotin, Anatoly Pomeranskii, Vladimir Belosludov, Vladimir Nakoryakov MODELING THE FORMATION AND DECOMPOSITION OF GAS HYDRATES IN A POROUS MEDIUM ............................963 Muhamed Khairullin, Marat Shamsiev, Petr Morozov, Adel Abdullin, Inis Salimjanov MODELING THE FORMATION AND DECOMPOSITION OF GAS HYDRATES IN A POROUS MEDIUM ............................967 Muhamed Khairullin, Marat Shamsiev, Petr Morozov, Adel Abdullin, Inis Salimjanov MODELING THERMAL CONDUCTIVITY OF GAS HYDRATE IN POROUS MEDIA .................................................................968 Dongliang Li, Deqing Liang, Jianwei Du, Song He EXPERIMENTAL RESEARCH OF THERMAL EFFECTS ON REPLACEMENT OF METHANE HYDRATES WITH CARBON DIOXIDE..........................................................................................................................................................................969 Yingxia Qi, Hua Zhang, Liming Ji, Shengxi Zhao MOLECULAR DYNAMICS SIMULATIONS OF GUEST-HOST HYDROGEN BONDING IN STRUCTURE I, II, AND H CLATHRATE HYDRATES ......................................................................................................................................................970 Saman Alavi, Konstantin Udachin, Igor Moudrakovskii, Robin Susilo, Ryo Ohmura, John Ripmeester MOLECULAR DYNAMICS SIMULATIONS OF CH4 CLATHRATE HYDRATE DISSOCIATION ADJACENT TO HYDRATED SILICA SURFACES .......................................................................................................................................................976 Alireza Bagherzadeh, Peter Englezos, Saman Alavi, Rajnish Kumar, John A. Ripmeester MOLECULAR DYNAMICS SIMULATIONS ON THE MECHANISMS OF THERMAL CONDUCTION IN METHANE HYDRATES ..............................................................................................................................................................................982 Li-Hua Wan, De-Qing Liang, Neng-You Wu, Jin-An Guan MOLECULAR DYNAMICS STUDY OF BINARY SF6-H2 SII HYDRATE ..........................................................................................983 Kun-Hong Lee, Da-Hye Park, Bo Ram Lee, Amadeu K. Sum MOLECULAR DYNAMICS STUDY OF CLATHRATE HYDRATE DISSOCIATION ....................................................................984 Niall English MONTE CARLO SIMULATIONS OF METHANE HYDRATES ..........................................................................................................985 Ioannis Tsimpanogiannis, Nikolaos Papadimitriou, Athanassios Stubos NEUTRON SCATTERING STUDIES ON THE FORMATION AND DECOMPOSITION OF GAS HYDRATES NEAR THE ICE POINT ...............................................................................................................................................................................997 Alice Klapproth, Ross Piltz, Shane Kennedy, Vanessa Peterson, Chris Garvey, Karen Kozielski , Patrick Hartley NEW MEASUREMENTS OF THE EQUILIBRIUM DATA OF METHANE, CARBON DIOXIDE AND XENON CLATHRATE HYDRATES BELOW THE FREEZING POINT OF WATER...................................................................................1007 Nicolas Fray, Ulysse Marboeuf, Olivier Brissaud, Bernard Schmitt NMR EVIDENCES OF SUPERCOOLED WATER FORMATION DURING GAS HYDRATE DISSOCIATION BELOW THE ICE MELTING POINT .....................................................................................................................................................1008 Lev Podenko, Anatoliy Nesterov, Vladimir Melnikov, Aleksey Reshetnikov, Vyacheslav Shalamov NUMERICAL MODELLING OF HYDRATE DISSOCIATION AROUND DEEP-WATER PETROLEUM WELL ............................................................................................................................................................................................................1009 Amit Sultaniya, Jeffrey Priest, Chris Clayton NUMERICAL SIMULATION ON GAS HYDRATE DISSOCIATION IN A SANDSTONE CORE BY DEPRESSURIZATION. ..............................................................................................................................................................................1010 Chencheng Ye, Jiafei Zhao, Li Weizhong, Yongchen Song, Chengchuan Xiao, Liu Yu, Liu Weiguo, Zhang Yi, Dayong Wang OBSERVATION OF DISSOCIATION PROCESS OF METHANE-ETHANE MIXED GAS HYDRATES USING POWDER X-RAY DIFFRACTION AND 13C NMR TECHNIQUES ....................................................................................................1011 Masato Kida, Yusuke Jin, Nobuo Takahashi, Jiro Nagao, Hideo Narita OBSERVATION OF FORMATION AND DISSOCIATION BEHAVIOUR OF CLATHRATE HYDRATE BELOW FREEZING POINT OF WATER BY USING AN OPTICAL SCANNING MICROSCOPY ............................................1012 Yusuke Jin, Jiro Nagao, Wataru Shimada ON THE APPROXIMATION OF RIGID WATER LATTICE IN VAN DER WAALS AND PLATTEEUW THEORY ........................................................................................................................................................................................................ N/A Hrushikesh Pimpalgaonkar, Shivananda Vessam, Sudeep Punnathanam ON THE KINETICS OF METHANE HYDRATE FORMATION: A TIME-DEPENDENT KINETIC RATE MODEL .........................................................................................................................................................................................................1013 Hailu Kebede Abay, Thor M. Svartaas ORDER PARAMETERS AND ALGORITHMS FOR INTERFACE DEMARCATION AND ENERGY STUDIES AT NANOSCALE IN HYDRATE AND ICE MULTIPHASE SYSTEMS............................................................................................1025 Bjorn Steen Saethre, David Van Der Spoel, Alex Christian Hoffmann OZONE PRESERVATION IN THE FORM OF MIXED (OZONE + OXYGEN + CARBON DIOXIDE) CLATHRATE HYDRATES .......................................................................................................................................................................1026 Takahiro Nakajima, Satoru Akatsu, Ryo Ohmura, Yasuhiko H. Mori PHASE BEHAVIOR AND SPECTROSCOPIC ANALYSIS OF CH4 + QUATERNARY AMMONIUM SALT SEMI-CLATHRATE HYDRATES............................................................................................................................................................1027 Yongwon Seo, Seungmin Lee, Sungmin Park, Youngjun Lee, Huen Lee PHASE CONTRAST X-RAY IMAGING OF CLATHRATE GAS HYDRATES ...............................................................................1028 Satoshi Takeya, Yoshito Gotoh, Akio Yoneyama, Kazuhiro Ueda, Kazuyuki Hyodo, Tohoru Takeda PHASE EQUILIBRIA, MOLECULAR COMPOSITION AND SPECTROSCOPIC IDENTIFICATION OF TERARY CH4 CLATHRATE HYDRATE ...............................................................................................................................................1029 Hyung-Joon Shin, Donghyun Moon, Kyuwon Han, Ji-Ho Yoon, Gang-Woo Lee PREDICTION OF FORMATION CONDITIONS OF HYDROGEN+TETRAHYDROFOURAN+WATER SYSTEM USING ARTIFITHIAL NEURAL NETWORK .....................................................................................................................1030 Mohammad Taghi Sadeghi, Leyla Lotfi PREDICTION OF STRUCTURE, COMPOSITION AND PHASE BEHAVIOR OF HELIUM HYDRATES ...............................1031 Vladimir Belosludov, Oleg Subbotin, Yulia Bozhko, Rodion Belosludov, Hiroshi Mizuseki, Yushiyuki Kawazoe , Vasilii Fomin QUATERNARY AMMONIUM SALT HYDRATES: A NEW IONIC FORMER FOR STRUCTURE-H CLATHRATE HYDRATE..........................................................................................................................................................................1040 Kyuchul Shin, Konstantin Udachin, Christopher Ratcliffe, John Ripmeester, Igor L. Moudrakovski SHALLOW GAS ACCUMULATIONS ON THE MEDITERRANEAN CONTINENTAL MARGIN OF ISRAEL — PRODUCTS OF A DYNAMIC BALANCE .........................................................................................................................................1041 Yizhaq Makovsky SIMULATION OF HYDRATE DYNAMICS IN RESERVOIRS ..........................................................................................................1042 Bjorn Kvamme, Mohammad Taghi Vafaei, Ashok Chejara, Khaled Jemai A NEW APPROACH FOR FUNDAMENTAL MODELLING OF HEAT TRANSPORT IN HYDRATE FILLED SEDIMENTS UNDERGOING PHASE TRANSITIONS ........................................................................................................................1050 Bjorn Kvamme, Pilvi-Helinae Kivelae SPECTROSCOPIC IDENTIFICATION OF TUNING MECHANISM IN THE ETHANOL + METHANE + WATER HYDRATE SYSTEM ..................................................................................................................................................................1051 Jong-Won Lee, Seong-Pil Kang THE P-T CONDITIONS FOR METHANE HYDRATE IN QUARTZ SAND .....................................................................................1052 Shicai Sun, Yuguang Ye, Changling Liu, Yunzhen Tan, Fengkui Xiang, Yan Ma STABILITY OF H2 + THF HYDRATES FROM ATOMISTIC MODELLING AND SIMULATION ............................................1053 Grigory Smirnov, Vladimir Stegailov STRUCTURAL AND PHYSICO-CHEMICAL STUDIES OF IONIC CLATHRATE HYDRATES OF TETRABUTYL- AND TETRAISOAMYLAMMONIUM SALTS.........................................................................................................1054 Andrey Manakov, Tatyana Rodionova, Irina Terekhova, Vladislav Komarov, Alexander Burdin, Artem Sizikov STRUCTURAL PHASE TRANSITIONS OF METHANE+ETHANE MIXED-GAS HYDRATE INDUCED BY 1,1-DIMETHYLCYCLOHEXANE............................................................................................................................................................1067 Yuuki Matsumoto, Hiroshi Miyauchi, Takashi Makino, Takeshi Sugahara, Kazunari Ohgaki STRUCTURAL STABILITY OF (T-BUNH2+H2/CH4) BINARY HYDRATES...................................................................................1074 Seetha Rama Prasad Pinnelli, Takeshi Sugahara, Dendy Sloan, Amadeu Sum, Carolyn Koh STRUCTURE TRANSFORMATIONS SI — SII IN HYDROGEN — METHANE AND HYDROGEN — ETHANE CLATHRATE HYDRATES .....................................................................................................................................................1075 Oleg Subbotin, Vladimir Belosludov, Rodion Belosludov, Hiroshi Mizuseki, Yoshiyuki Kavazoe, R. K. Zhdanov A GAS HYDRATE AUTOCLAVE SUITABLE FOR IN-SITU FIBER OPTIC INFRARED SPECTROSCOPIC STUDIES .......................................................................................................................................................................................................1076 Florian Rauh, Yulia Luzinova, Abraham Katzir, Jens Pfeiffer, Boris Mizaikoff SYSTEMATIC KINETIC STUDIES ON MIXED GAS HYDRATES BY RAMAN SPECTROSCOPY AND POWDER X-RAY DIFFRACTION...........................................................................................................................................................1081 Manja Luzi, Judith Schicks, Rudolf Naumann, Joerg Erzinger THE BEHAVIOR OF INCIPIENT GAS HYDRATES ...........................................................................................................................1082 Matthew Walsh, Daniel Rainey, Patrick Lafond, Da-Hye Park, Kun-Hong Lee, Gregg Beckham, Carolyn Koh, Dendy Sloan, David Wu, Amadeu Sum THE EFFECT OF GASES SOLUBILITY WITHIN GAS HYDRATE SEPARATION MODEL.....................................................1083 Jianfeng Tang, Dalong Zeng, Yuliang Chen, Chao Zhu THE EFFECT OF LIQUID-GAS MASS RATIO ON METHANE HYDRATE FORMATION........................................................1084 Wei Ke, Thor Svartaas H-LW-V EQUILIBRIUM MEASUREMENTS AND MORPHOLOGY ANALYSIS OF PURE METHANE GAS IN THE PRESCENCE OF D-(+)-GLUCOSE ................................................................................................................................................1092 Anthony Carbone, James Pasieka, Phillip Servio THE ROLE OF ACID-BASE INTERACTION IN THE FORMATION OF CO2 HYDRATE..........................................................1093 Roe-Hoan Yoon, Jialin Wang, Charles Schlosser, Diego Troya, Yongkoo Seol THE STRUCTURE AND CAGE FILLING OF GAS HYDRATES AS ESTABLISHED BY SYNCHROTRON DIFFRACTION DATA ...............................................................................................................................................................................1094 Werner F. Kuhs, Christiane D Hartmann, Susanne Hemes, Andrzej Falenty THERMAL DISTURBANCE AND LOGGING RESPONSE OF GAS HYDRATE RESERVOIR ..................................................1095 Kasumi Fujii, Naoki Sakiyama, Doug Murray, Takayuki Kanno, Satoshi Noguchi, J. Frederick Wright THERMAL EXPANSION OF METHANE, CARBON DIOXIDE, NITROGEN AND XENON CLATHRATE HYDRATES STUDIED BY NEUTRON DIFFRACTION......................................................................................................................1096 Mangir Murshed, Thomas Hansen, Andrzej Falenty, Werner Kuhs PHASE EQUILIBRIA PREDICTIONS AND LITERATURE REVIEW OF HYDROGEN SULFIDE CONTAINING HYDRATES ......................................................................................................................................................................1097 Zachary Ward, Greg McLelland, Probjot Singh, John Wilcher, Dendy Sloan, Amadeu Sum , Carolyn Koh THERMODYNAMIC MODELLING OF GAS SEMI-CLATHRATE HYDRATES USING THE ELECTROLYTE NRTL MODEL .............................................................................................................................................................................................1098 Matthias Kwaterski, Jean-Michel Herri THERMODYNAMIC STUDIES OF CO2 - TBAB - WATER SYSTEM ..............................................................................................1099 Wei Lin, Didier Dalmazzone, Walter Furst, Anthony Delahaye, Laurence Fournaison THERMODYNAMICS AND KINETIC MODELING OF CH4/CO2 EXCHANGE IN HYDRATES ...............................................1105 Bjorn Kvamme, Khuram Baig, Jordan Bauman, Pilvi-Helina Kvela TOWARD UNDERSTANDING FOAM-BASED GAS HYDRATE FORMATION ............................................................................1114 Liguang Wang TOWARDS THE UNDERSTANDING OF THE WATER-METHANE INTERFACE PRIOR TO GAS HYDRATE NUCLEATION ........................................................................................................................................................................1115 Federica Venturini, Sebastian Schoeder, Werner F. Kuhs, Veijo Honkimaki, Harald Reichert, Helmut Schober ADSORPTION OF CO2 AND CH4 AND THEIR MIXTURES IN GAS HYDRATES ......................................................................1124 Kirill Glavatskiy, Thijs Vlugt, Signe Kjelstrup UNDRAINED TRIAXIAL TESTING OF METHANE HYDRATE BEARING SOIL SPECIMENS...............................................1125 Hossein Ghiassian, Jocelyn Grozic VIBRATIONAL SPECTRA OF METHANE CLATHRATE HYDRATES FROM AB INITIO MOLECULAR DYNAMICS SIMULATION.......................................................................................................................................................................1136 Masaki Hiratsuka, Ryo Ohmura, Amadeu Sum, Kenji Yasuoka NATURAL GAS HYDRATES 1-D PHYSICAL MODELING OF THE THERMAL DESTABILIZATION OF HYDRATE-BEARING SEDIMENTS.................................................................................................................................................................................................1137 Gye-Chun Cho, Tae-Min Oh, Changho Lee, Tae-Hyuk Kwon 3-D NUMERIAL MODELING OF METHANE HYDRATE DEPOSITS ............................................................................................1138 Elena Pinero, Wolf Rottke, Thomas Fuchs, Christian Hensen, Matthias Haeckel, Klaus Wallmann A COMPARISON OF METHODS THAT ESTIMATE GAS HYDRATE SATURATION FROM WELL LOG VELOCITY ...................................................................................................................................................................................................1144 Jing He, Xuewei Liu GAS HYDRATE ACCUMULATION TYPES AND THEIR APPLICATION TO NUMERICAL SIMULATION........................1157 Ray Boswell, George Moridis, Timothy Collett, Matthew Reagan A GAS HYDRATE INITIATIVE FOR NEWFOUNDLAND AND LABRADOR ...............................................................................1169 Julie Halliday, Arash Zakeri, Tony King, Randy Gillespie A NEW GLOBAL GAS HYDRATE BUDGET BASED ON NUMERICAL REACTION-TRANSPORT MODELING AND A NOVEL PARAMETERIZATION OF HOLOCENE AND QUATERNARY SEDIMENTATION......................................................................................................................................................................................1178 Ewa Burwicz, Lars Rupke, Klaus Wallmann A NONLINEAR ELASTIC CONSTITUTIVE MODEL FOR ARTIFICIAL METHANE-HYDRATE-BEARING SEDIMENT ...................................................................................................................................................................................................1187 Kuniyuki Miyazaki, Kazuo Aoki, Norio Tenma, Yasuhide Sakamoto, Tsutomu Yamaguchi A NOVEL LARGE-SCALE THREE-DIMENSIONAL PHYSICAL SIMULATION DEVICE FOR NATURAL GAS HYDRATE ACCUMULATION AND EXPLOITATION IN SEDIMENT .................................................................................1188 Chang-Yu Sun, Ke-Hua Su, Wei-Zhi Sun, Meng-Chang Cao, Xu-Qiang Guo, Guang-Jin Chen, Lan-Ying Yang A PETROLEUM SYSTEM MODEL FOR GAS HYDRATE DEPOSITS IN NORTHERN ALASKA ............................................1189 Thomas Lorenson, Timothy Collett, Florence L. Wong ABUNDANCE AND DYNAMICS OF GAS HYDRATES IN SHALLOW DEPOSITS OF A HIGH-FLUX SEEPAGE SITE IN THE EASTERN BLACK SEA ................................................................................................................................1190 Thomas Pape, Andre Bahr, Stephan A. Klapp, Heiko Sahling, John D. Kessler, Gerhard Bohrmann AN INTEGRATED STUDY ON THE UMITAKA SPUR GAS HYDRATE AREA, JOETSU BASIN, EASTERN MARGIN OF JAPAN SEA, USING GEOPHYSICAL, GEOLOGICAL AND GEOCHEMICAL DATA.......................................1198 Antonio Fernando Menezes Freire, Ryo Matsumoto ANALYSIS OF POROSITY VARIATION IN GAS HYDRATE BEARING SEDIMENT ................................................................1199 Jing He, Xuewei Liu ANALYZING ELECTRICAL ANISOTROPY IN GAS HYDRATE RESERVOIRS USING LOGGING-WHILE- DRILLING DIRECTIONAL RESISTIVITY DATA FROM THE GULF OF MEXICO GAS HYDRATE JOINT INDUSTRY PROJECT ...............................................................................................................................................................................1200 Ann Cook, Barbara Anderson, John Rasmus, Qiming Li, Keli Sun, Timothy Collett, David Goldberg ASSESSMENT OF HEAT FLOW AND GAS-HYDRATE IN KRISHNA GODAVARI BASIN, CONSTRAINED FROM 2D/3D SEISMIC AND WELL LOG DATA.................................................................................................................................1213 Uma Shankar, Michael Riedel, Kalachand Sain BACTERIAL AND ARCHAEAL DIVERSITY IN ABYSSAL COLD SEEP SEDIMENTS FROM THE DONGSHA AREA OF THE SOUTH CHINA SEA .................................................................................................................................1218 Xin Su, Yong Zhang, Fang Chen, Jingqiang Liang, Yongyuang Huang, Hailiang Dong BEAUFORT SEA DEEP-WATER GAS HYDRATE RECOVERY FROM A SEAFLOOR MOUND IN A REGION OF WIDESPREAD BSR OCCURRENCE ..............................................................................................................................1226 Patrick Hart, Thomas Lorenson, Brian Edwards, John Pohlman BENDER ELEMENTS IN MEASURING ACOUSTIC PROPERTIES OF GAS HYDRATE BEARING UNCONSOLIDATED SEDIMENTS .........................................................................................................................................................1242 Gaowei Hu, Yuguang Ye, Jian Zhang, Changling Liu, Shaobo Diao BIOGEOCHEMICAL REACTION RATES IN THE K-G BASIN OFFSHORE INDIA: INSIGHTS INTO CARBON CYCLING IN GAS HYDRATE-BEARING SEDIMENTS ..................................................................................................1249 Evan Solomon, Arthur Spivack, Miriam Kastner BULGARIAN GAS HYDRATES: ASSESSMENT FROM PBSR .........................................................................................................1250 Atanas Vasilev CARBON ISOTOPIC EVIDENCE FOR COUPLED SULFATE REDUCTION-METHANE OXIDATION AND THE NUMERICAL SIMULATION RESULTS IN OFFSHORE SW TAIWAN ................................................................................1251 Pei-Chuan Chuang, Tsanyao Frank Yang, Nai-Chen Chen, A Dale, Saulwood Lin, Ryo Matsumoto , Akihiro Hiruta, K Wallmann CHARACTERISTICS OF CENOZOIC IGNEOUS ROCKS ON THE NORTHERN SOUTH CHINA SEA SLOPE AND ITS IMPLICATIONS FOR GAS HYDRATE FORMATION ......................................................................................................1252 Zhong Chen, Wen Yan, Han Chen, Liang Li CHARACTERISTICS OF CENOZOIC IGNEOUS ROCKS ON THE NORTHERN SOUTH CHINA SEA SLOPE AND ITS IMPLICATIONS FOR GAS HYDRATE FORMATION ......................................................................................................1253 Zhong Chen, Wen Yan, Han Chen, Liang Li CHARACTERISTICS OF ORGANIC BIOMARKERS IN SURFACE MARINE SEDIMENTS FROM THE NORTHERN SOUTH CHINA SEA (NSCS) AND THEIR IMPLICATIONS FOR GAS HYDRATE DEPOSIT ..........................1254 Weihai Xu, Wen Yan, Zhong Chen CHARACTERISTICS OF PRESTACK ATTRIBUTE AND IDENTIFICATION OF GAS HYDRATE-BEARING DEPOSIT IN SHENHU AREA OF SOUTH CHINA SEA......................................................................................................................1268 Ruwei Zhang, Baojin Zhang, Handong Huang, Pengfei Wen, Huaning Xu CHARACTERIZATION OF MOLECULAR BIOMARKERS OF MICROORGANISM RELATED TO METHANE IN GAS HYDRATE-BEARING SEDIMENT OF ULLEUNG BASIN, EAST SEA.......................................................1269 Kyung-Hoon Shin, Yong-Cheon An, Jang-Jun Bahk, Ji-Hoon Kim, Ji-Young Choi, Jung-Hyun Lee SEISMIC CHIMNEYS ASSOCIATED WITH GAS HYDRATE IN THE ULLEUNG BASIN, EAST SEA OF KOREA..........................................................................................................................................................................................................1270 Nyeon K. Kang, Dong G. Yoo, Byong J. Ryu, Sung-Rock Lee COMBINED CONTROLLED SOURCE ELECTROMAGNETIC, REFLECTION SEISMIC AND BOREHOLE STUDY AT THE SHALLOW-WATER EDGE OF GAS HYDRATE STABILITY OFFSHORE VANCOUVER ISLAND, IODP EXPEDITION SITE U1329 ............................................................................................................................................1271 Romina Gehrmann, Michael Riedel, Katrin Schwalenberg, Martin Scherwath CONSTRAINING THE GLOBAL INVENTORY OF METHANE HYDRATE IN MARINE SEDIMENTS .................................1280 Klaus Wallmann, Ewa Burwicz, Lars Ruepke, Matthias Marquardt, Elena Pinero, Matthias Haeckel , Christian Hensen DECREASE OF PERMEABILITY IN SAND LAYERS BY CENTRALIZATION OF MOVING FINE SANDS NEAR PRODUCTION WELLS .................................................................................................................................................................1293 Shinichiro Hirabayashi, Keisuke Mitsuhori, Toru Sato, Paul Brumby, Jiro Nagao, Yoshitaka Yamamoto , Hideo Narita DEEP SEA GAS FLARES AND ASSOCIATED GAS HYDRATE TRAPS IN THE SHALLOW SUBSEAFLOOR .....................1294 Volkhard Spiess, Noemi Fekete DEFINING THE HYDROCARBON PLUMBING SYSTEM AND THE POSSIBLE ACCUMULATION MODEL FOR MARINE GAS HYDRATES IN A SALT TECTONIC DRIVEN COLD SEEP: EXAMPLES FROM WOOLSEY MOUND, MC118, NORTHERN GULF OF MEXICO ......................................................................................................1295 Antonello Simonetti, Leonardo Macelloni, James Knapp, Camelia Knapp, Carol Lutken DETAILED SEISMIC AMPLITUDE ANALYSIS AND CHARACTERIZATION OF A GAS HYDRATE AND FREE GAS MIXED SYSTEM IN GREEN CANYON 955, GULF OF MEXICO ...............................................................................1306 Dan McConnell, Zijian Zhang FORECASTING DIFFUSIVE FORMATION ON FREE-GAS METHANE LAYERS IN SEA SEDIMENTS...............................1307 Denis Goldobin, Nikolai Brilliantov, Jeremy Levesley, Mike Lovell, Christopher Rochelle, Andy Ridgewell , Alan Haywood, Stephen Hunter, Peter Jackson, John Rees, Peter D. Jackson, John G. Rees DISCRETE ELEMENT MODELLING OF GEOMECHANICAL BEHAVIOUR OF METHANHE-HYDRATE SOILS WITH PORE-FILLING AND CEMENTED HYDRATE DISTRIBUTION ...........................................................................1314 Juan Brugada, Yi Pik Cheng, Kenichi Soga, J Carlos Santamarina DISTINCT EXPRESSIONS OF THE BSR USING VARIOUS FREQUENCIES OFFSHORE URUGUAY AND ITS CORRESPONDENCE WITH THE GAS HYDRATE STABILITY ZONE..................................................................................1315 Juan Tomasini, Benedict Preu, Sebastian Krastel, Tilmann Schwenk, Volkhard Spiess, Hector De Santa Ana DO DISSOCIATING GAS HYDRATES PLAY A ROLE IN TRIGGERING SUBMARINE SLOPE FAILURES? A CASE STUDY FROM THE NORTHERN CASCADIA MARGIN ...................................................................................................1322 Nastasja Scholz, Michael Riedel, George Spence, John Pohlman, Tark Hamilton, Roy Hyndman , Thomas James, Kathrin Naegeli DOWNHOLE WELL LOG CHARACTERIZATION OF GAS HYDRATES IN NATURE — A REVIEW ..................................1330 Timothy Collett, Myung Lee DUAL HYDRATE STRUCTURES SI AND SII AT THE CHAPOPOTE KNOLL, SOUTHERN GULF OF MEXICO........................................................................................................................................................................................................1346 Stephan A. Klapp, M. Mangir Murshed, Thomas Pape, Gerhard Bohrmann, Peter Brewer, Werner F. Kuhs EFFECTIVE MEDIUM MODELS AND ROCK PHYSICS ANALYSIS FOR MARINE GAS HYDRATES IN NORTHERN GULF OF MEXICO ............................................................................................................................................................1347 Darrell Terry, Camelia Knapp, James Knapp EFFECTIVE THERMAL CONDUCTIVITY TECHNIQUE OF FINDING THE SUB-BOTTOM HYDRATES: LABORATORY RESULTS ........................................................................................................................................................................1356 Mikhail Permyakov, Albert Duchkov, Andrei Manakov EFFECTS OF HETEROGENEOUS LITHOLOGY AND FOCUSED FLUID FLOW ON GAS HYDRATE DISTRIBUTION IN MARINE SEDIMENTS...........................................................................................................................................1361 Sayantan Chatterjee, Guangsheng Gu, Gaurav Bhatnagar, Walter G. Chapman, Gerald R. Dickens, Brandon Dugan, George J. Hirasaki ESTIMATING 1D VERTICAL FLUID MIGRATION RATES IN SHALLOW MARINE SEDIMENTS USING BOTTOM-SIMULATING REFLECTORS ..............................................................................................................................................1374 Wu-Cheng Chi, Liwen Chen, Char-Shine Liu EVIDENCE OF GAS HYDRATE FROM UBGH2 LOG DATA IN THE ULLEUNG BASIN, EAST SEA.....................................1375 Gil Young Kim, Dong Geun Yoo, Byong Jae Ryu, Timothy Collett, Michael Riedel, Joon Young Kwak EVIDENCE OF GAS HYDRATES ON THE NILE FAN .......................................................................................................................1379 Daniel Praeg, Jean Mascle, Sebastien Migeon, Riccardo Geletti, Nigel Wardell, Vikram Unnithan , Lies Loncke, Francois Harmegnies EXPERIMENTAL INVESTIGATION OF THE EFFECT OF POLY-N-VINYLPYRROLIDONE ON METHANE/PROPANE HYDRATE IN THE PRESENCE OF SILICA SAND...................................................................................1381 Nagu Daraboina, Praveen Linga, John Ripmeester, Peter Englezos EXPERIMENTAL SIMULATION OF NATURAL GAS HYDRATE FORMATION AND EVOLUTION IN A ONE-DIMENSIONAL DEVICE ................................................................................................................................................................1387 Chang-Yu Sun, Li-Tao Chen, Qing Yuan, Jun-Chao Tan, Guang-Jin Chen EXPERIMENTAL STUDY OF SELF-PRESERVATION MECHANISMS DURING GAS HYDRATE DECOMPOSITION IN FROZEN SEDIMENTS .....................................................................................................................................1388 Evgeny Chuvilin, Vladimir Istomin, Boris Buhanov, Olga Guryeva, Satoshi Takeya, Akihiro Hachikubo EXPERIMENTAL STUDY ON THE POSSIBLE FACTORS THAT AFFECT THE SATURATION OF GAS HYDRATE IN NATURAL SEDIMENTS .................................................................................................................................................1397 Toshiyasu Ukita, Hailong Lu, Satoshi Noguchi, Igor Moudrakovski, Tadaaki Shimada, John Ripmeester, Chris Ratcliffe FABRICATION OF NGHP (NATURAL GAS HYDRATE PELLET) BY CONTINUOUS EXTRUSION TROUGH DIE HOLES ...............................................................................................................................................................................1402 Bong-Hwan Koh, Jong-Hyo An, Heung Soo Kim, Seok Joo Jung, Myung Ho Song FLAME SPREADING OVER COMBUSTIBLE HYDRATE IN A LAMINAR BOUNDARY LAYER ..........................................1403 Yoshihiro Maruyama, Toshihisa Ueda, Masahiro Takahashi, Toru Iwasaki, Kazuo Uchida, Ryo Ohmura, Takeshi Yokomori FLUID FLOW AND EVOLUTION OF GAS HYDRATE MOUNDS OF JOETSU BASIN, EASTERN MARGIN OF JAPAN SEA: CONSTRAINTS FROM HIGH- RESOLUTION GEOPHYSICAL SURVEY BY AUV.....................................1404 Ryo Matsumoto, Mikio Sato, Mineo Hiromatsu FLUID FLOW IN NATURAL GAS HYDRATES REVEILED BY X-COMPUTER TOMOGRAPHY ..........................................1415 Stephan A. Klapp, Frieder Enzmann, Peter Walz, Thomas Huthwelker, Jurgen Tuckermann, J.-Oliver Schwarz, Thomas Pape, Edward T. Peltzer, Keith C. Hester, Xin Zhang, Rajmund Mokso, David Wangner, Federica Marone, Michael Kersten, Gerhard Bohrmann, Werner F. Kuhs, Marco Stampanoni, Peter G. Brewer FORMATION — DISSOCIATION BEHAVIOR OF METHANE HYDRATE IN BENTONITE OR KAOLIN SUSPENSION ...............................................................................................................................................................................................1416 Taro Kawamura, Takeshi Tetsu, Takuya Tsubaki, Yoshitaka Yamamoto FORMATION PROCESS OF HYDRATE IN DIFFERENT PARTICLES SAND SEDIMENTS WITH NO FLUX .....................1422 Xiaoya Zang, Deqing Liang, Nengyou Wu FROZEN HEAT: UNEP GLOBAL OUTLOOK ON METHANE GAS HYDRATES ........................................................................1428 Yannick Beaudoin GAS COMPOSITION OF CORED SEDIMENTS FROM GAS HYDRATE POTENTIAL AREA OFFSHORE SW TAIWAN .......................................................................................................................................................................................................1432 Tsanyao Frank Yang, Pei-Chuan Chuang, Chuan-Wen Chen, Nai-Chen Chen, Saulwood Lin, Yunshuen Wang, San-Hsiung Chung GAS GEOCHEMISTRY FOR GAS HYDRATE IN THE ULLEUNG BASIN, EAST SEA ..............................................................1433 Jiyoung Choi, Ji-Hoon Kim, Jang Jun Bahk, Byong-Jae Ryu GAS HYDRATE FORMATION IN THE SHELF AREAS OF EURASIAN ARCTIC.......................................................................1439 Alexey Krylov, Tatiana Matveeva, Elizaveta Logvina GAS HYDRATE OCCURRENCE, SATURATIONS AND GEOPHYSICAL SIGNATURES ASSOCIATED WITH FLUID FLOW IN SILT-DOMINATED RESERVOIRS, IN THE NORTHERN OF SOUTH CHINA SEA.......................1440 Xiujuan Wang, Shiguo Wu, Shengxiong Yang, Yiqun Guo, Deborah R Hutchinson, Jinqiang Liang, Yuehua Gong GAS HYDRATE OCCURRENCES AND THEIR RELATION TO HOSTING SEDIMENT PROPERTIES: RESULTS FROM UBGH2, EAST SEA ....................................................................................................................................................1447 Jang-Jun Bahk, Jong-Hwa Chun, Dae-Ha Kim, Byeong Kook Son, Ji-Hoon Kim, Marta Torress, Peter Schultheiss , Byong-Jae Ryu, Timothy Collett, Michael Riedel, Sung Rock Lee GAS HYDRATE QUANTIFICATION BY COMBINING PRESSURE CORING AND IN-SITU PORE WATER SAMPLING TOOLS....................................................................................................................................................................................1448 Edwin Tervoort, Joek Peuchen, Gary Humphrey GAS HYDRATE RECOGNITION IN NON-BSR REGION, NORTHERN SOUTH CHINA SEA ..................................................1454 Rui Yang, Nengyou Wu, Xinhua Lei, Zheng Su, Jinqiang Liang, Zhibin Sha GAS HYDRATE RELATED SEAFLOOR MOUNDS ON THE CONTINENTAL SLOPE, KWANZA BASIN, OFFSHORE ANGOLA ...............................................................................................................................................................................1455 Christophe Serie, Mads Huuse, Niels Schodt GAS HYDRATE RESEARCH IN NEW ZEALAND — OVERVIEW ON LATEST RESULTS ......................................................1456 Ingo Pecher, Jorg Bialas GAS HYDRATE RESOURCE ASSESSMENT ON THE UNITED STATES OUTER CONTINENTAL SHELF: A MASS BALANCE MODEL ........................................................................................................................................................................1457 Matthew Frye, John Schuenemeyer, William Shedd, Kenneth Piper, Bruce Herman GAS HYDRATES AND THEIR OCCURRENCES IN THE QILIAN MOUNTAIN PERMAFROST, NORTHWEST CHINA ...............................................................................................................................................................................1458 Youhai Zhu, Yongqin Zhang, Zhenquan Lu, Pingkang Wang GAS HYDRATES IN CONE OF RIO GRANDE - BRAZIL: IDENTIFICATION OF POTENTIAL ACCUMULATION AREAS OF THIS ENERGY RESOURCE ............................................................................................................1459 Thayna Correia, Isabel Machado, Paulo Baisch GAS HYDRATES OVER THE EGYPTIAN COASTAL WATERS .....................................................................................................1464 Sayed Sharaf El Din, Marawan Nassar GAS SATURATION RESULTING FROM HYDRATE DISSOCIATION IN A POROUS MEDIUM: COMPARISON BETWEEN ANALYTICAL AND PORE NETWORK STUDIES ............................................................................1465 Ioannis Tsimpanogiannis, Peter Lichtner GAS-HYDRATE PETROLEUM SYSTEMS, PLAY TYPES AND PROSPECTS IN AN ACCRETIONARY WEDGE AND ITS ADJACENT RIFTED CONTINENTAL MARGIN, TAIWAN ............................................................................1476 Andrew T. Lin, Che-Chuan Lin, Char-Shine Liu, Wei-Zhi Liao, Saulwood Lin, Tsanyao F. Yang , Chuen-Tien Shyu, Shu-Kun Hsu, Tan K. Wang, Yunshuen Wang GEOCHEMICAL STUDIES OF LV47 GAS HYDRATE-BEARING SEDIMENT CORES AND PORE WATERS RETRIEVED FROM THE CONTINENTAL SLOPE OFFSHORE SAKHALIN ISLAND, RUSSIA .............................................1478 Hirotsugu Minami, Hirotoshi Sakagami, Akihiro Hachikubo, Satoshi Yamashita, Kazuya Tatsumi, Nobuo Takahashi , Hitoshi Shoji, Young K. Jin, Anatoly Obzhirov GEOCHEMICAL STUDIES ON SEDIMENT SAMPLES FROM ANDMAN DEEP OFFSHORE FOR GAS HYDRATE PROSPECTING ......................................................................................................................................................................1479 Pushpendra Kumar GEOCHEMISTRY OF PORE WATERS IN METHANE RICH SEDIMENTS, EASTERN MARGIN OF THE JAPAN SEA ..................................................................................................................................................................................................1480 Hitoshi Tomaru, Yasuyuki Muramatsu, Hiroya Anzai, Glen Snyder, Ryo Matsumoto GEOPHYSICAL TECHNIQUES FOR EXPLORATION AND PRODUCTION OF GASHYDRATE ...........................................1486 Sunjay, Manas Banerjee, N. P. Singh GEOTECHNICAL PROPERTIES OF SEABED GROUND IN EAST NANKAI TROUGH ............................................................1491 Shin'Ya Nishio, Eiji Ogisako, Atsushi Denda HIGH-RESOLUTION GAS-CHIMNEY STRUCTURES OVER A MARINE GAS HYDRATE FIELD OFF JOETSU, EASTERN MARGIN OF JAPAN SEA....................................................................................................................................1495 Mikio Satoh, Mineo Hiromatsu, Hideaki Machiyama, Ryo Matsumoto HIGH-RESOLUTION SUB-BOTTOM STRUCTURES OVER A MARINE GAS HYDRATE SYSTEM ASSOCIATED WITH FAULTS, MOUNDS AND POCKMARKS OFF JOETSU, EASTERN MARGIN OF THE SEA OF JAPAN............................................................................................................................................................................................1496 Mikio Satoh, Mineo Hiromatsu, Hideaki Machiyama, Ryo Matsumoto HIGH-RESOLUTION TOPOGRAPHIC FEATURES OF SHALLOW GAS HYDRATE FIELD OF JOETSU BASIN, EASTERN MARGIN OF JAPAN SEA .......................................................................................................................................1497 Mineo Hiromatsu, Hideaki Machiyama, Mikio Satho, Ryo Matsumoto HIGH-RESOLUTION TOPOGRAPHIC FEATURES OF SHALLOW GAS HYDRATE FIELD OF JOETSU BASIN, EASTERN MARGIN OF JAPAN SEA .......................................................................................................................................1498 Mineo Hiromatsu, Hideaki Machiyama, Mikio Satho, Ryo Matsumoto HYDRATE DISSOCIATION AND SLOPE STABILITY ON THE CONTINENTAL SHELF ........................................................1499 Alexander Handwerger, Alan Rempel INTEGRATED GEOLOGICAL ANALYSES ON SEISMIC CHARACTERISTICS AND FORMATION OF THE DRILLED GAS HYDRATE IN THE NORTHERN SLOPE OF THE SOUTH CHINA SEA ...........................................................1500 Duanxin Chen, Xiujuan Wang, Shiguo Wu INTERNATIONAL COLLABORATION ON DEEPWATER NATURAL GAS HYDRATE CONTINUES — GULF OF MEXICO GAS HYDRATE JIP: PAST, PRESENT, AND FUTURE .................................................................................1509 John Balczewski, Ray Boswell, Timothy Collett, Richard Baker INVESTIGATION OF DEEP WATER GAS HYDRATES WITH 'MIR' SUBMERSIBLES DURING 2008-2010 EXPEDITION IN LAKE BAIKAL. ...........................................................................................................................................................1510 Georgy Tsypkin, Aleksandr Egorov, R. I Nigmatulin, A. M Sagalevich, A. N Rozhkov LABORATORY VALIDATION OF A JOINT ELASTIC-ELECTRICAL INVERSION MODEL FOR METHANE HYDRATE-BEARING SEDIMENTS AND ROCKS ........................................................................................................1522 Angus Best, Michelle Ellis, Jeremy Sothcott, Tim Minshull, Martin Sinha LATE PLEISTOCENE-HOLOCENE COLD SEEP BIVALE ASSEMBLAGES FROM THE NORTHERN SOUTH CHINA SEA ...................................................................................................................................................................................1534 Xin Su, Qian Zhang, Fang Chen, Erwin Suess, Yongyang Huang, Nengyou Wu , Elena M. Krylova, Xiqiu Han, Gerhard Bohrmann, Anton Eisenhauer MAPPING GAS HYDRATES WITH MARINE CONTROLLED SOURCE ELECTROMAGNETICS .........................................1535 Karen Weitemeyer, Steven Constable MARINE 3D EM SURVEYS FOR THE QUANTITATIVE MAPPING OF MARINE GAS HYDRATES .....................................1547 Jurgen J. Zach MATHEMATICAL SIMULATION REVEALING THE TRANSFORM OF LOW-FLUX GAS HYDRATE SYSTEM (LFGH) TO HIGH-FLUX GAS HYDRATE SYSTEM (HFGH)..........................................................................................1548 Hui Zhang, Nengyou Wu, Zheng Su, Yong He MEASURING IN SITU DISSOLVED METHANE CONCENTRATIONS IN GAS HYDRATE-RICH SYSTEMS TO UNDERSTAND HYDRATE STABILITY AND DISSOLUTION RATES ....................................................................................1549 Rachel Wilson, Laura Lapham, Michael Reidel, Jeffrey Chanton MECHANICAL INTERPRETATION OF FAULT DISTRIBUTION WITHIN AND AROUND THE METHANE HYDRATE CONCENTRATED ZONE, EASTERN NANKAI TROUGH, JAPAN............................................................................1550 Machiko Tamaki, Satoshi Noguchi, Toshiko Furukawa MECHANICAL PROPERTY MEASUREMENTS OF CLAYEY SEDIMENTS CONTAINING GAS HYDRATE BY TRIAXIAL TESTS ................................................................................................................................................................................1551 Yanghui Li, Yongchen Song, Weiguo Liu, Yu Liu, Masahiro Nishio, Feng Yu, Rui Wang, Xiongfei Nie MECHANISMS OF GAS TRANSPORT IN SEDIMENTS: CROSSOVER FROM FINGERING TO FRACTURING .............................................................................................................................................................................................1557 Ran Holtzman, Ruben Juanes METHANE EXPULSION AND ASSOCIATED MIGRATION PATHWAY SYSTEMS OFFSHORE PRINS KARLS FORLAND, NW-SVALBARD .....................................................................................................................................................1567 Anupama Rajan, Stefan Bunz, Juergen Mienert, Shyam Chand METHANE SOLUBILITY IN WATER UNDER HYDRATE EQUILIBRIUM CONDITIONS: SINGLE PORE AND PORE NETWORK STUDIES...........................................................................................................................................................1568 Ioannis Tsimpanogiannis, Peter Lichtner MICROSCALE SIMULATIONS OF THE SHEAR EROSION OF MUD GRAINS FROM SEDIMENT LAYERS .....................1577 Paul Brumby, Toru Sato, Jiro Nagao, Norio Temma, Hideo Narita MICRO-SIZED GAS HYDRATE FROM MICRO BUBBLES AIMED AT GAS HYDRATE FORMATION IN SATURATED SAND ...................................................................................................................................................................................1578 Akira Masui, Masayoshi Takahashi, Fumio Kiyono, Kuniyuki Miyazaki, Norio Temma, Yuji Ogata MINERALOGY AND MORPHOLOGY OF AUTHIGENIC PYRITE AND GYPSUM FROM A HYDRATE- POTENTIAL GEOSYSTEM IN SOUTH CHINA SEA ..........................................................................................................................1579 Lei Xie, Jiangsheng Wang, Zhou Wang, Jun Hu, Hongren Chen, Qi Lin MNR PARAMENTERS OF CARBON DOXIDE CLATHRATE HYDRATE ....................................................................................1580 Pawel Siuda, Joanna Sadlej MODELING STUDIES OF HYDRATE MOUND, MISSISSIPPI CANYON 118, GULF OF MEXICO .........................................1586 Sabodh Garg, John Pritchett MODELING THE THERMAL DISTURBANCE IN A GAS HYDRATE FORMATION DUE TO A HOT WELLBORE .................................................................................................................................................................................................1601 Manohar Gaddipati, Kelly Rose, Ray Boswell, Brian Anderson MOLECULAR AND ISOTOPIC CHARACTERISTICS OF HYDROCARBONS IN SEDIMENTS AND GAS HYDRATE AT EASTERN MARGIN OF JAPAN SEA .........................................................................................................................1602 Akihiro Hachikubo, Hitoshi Tomaru, Ryo Matsumoto MOLECULAR AND ISOTOPIC COMPOSITIONS OF HYDRATE-BOUND HYDROCARBONS IN SUBSURFACE SEDIMENTS FROM OFFSHORE SAKHALIN ISLAND, SEA OF OKHOTSK ...................................................1610 Akihiro Hachikubo, Kazuya Tatsumi, Hirotoshi Sakagami, Hirotsugu Minami, Satoshi Yamashita, Nobuo Takahashi , Hitoshi Shoji, Young K. Jin, Olga Vereshchagina, Anatoly Obzhirov MOLECULAR DYNAMIC STUDIES OF THE STABILITY OF CO2 AND CH4 HYDRATES IN THE PRESENCE OF UNDERSATURATED FLUIDS ....................................................................................................................................1617 Srinath Velaga, Venkata Vedam, Brian Anderson MULTIPLE BARIUM FRONTS IN THE ACCRECTIONARY WEDGE SEDIMENTS, OFFSHORE SW TAIWAN ........................................................................................................................................................................................................ N/A Saulwood Lin, Wei-Cheng Wang, Yee Cheng Lim, Tsanyao Yang, Charshine Liu, Y. S. Wang , S. H. Chung NEW DISCOVERIES AT WOOLSEY MOUND, MC118, NORTHERN GULF OF MEXICO........................................................1618 Carol Lutken, Leonardo Macelloni, Antonello Simonetti, Camelia Knapp, James Knapp, Laura Lapham , Jeff Chanton, Simoa Caruso, Ken Sleeper, Michela Ingrassia, Brad Battista, Tom McGee, Mariangela Lodi, Tim Short, Ryan Bell, Paul Higley, Charlotte Brunner, Rich Camilli, Peer Fietzek NUCLEAR MAGNETIC RESONANCE ASSAY OF METHANE HYDRATE BEARING SEDIMENTS FOR PORE-SIZE DISTRIBUTION AND PERMEABILITY ANALYSIS ....................................................................................................1631 Hideki Minagawa, Kosuke Egawa, Yasuhide Sakamoto, Takeshi Komai, Norio Tenma, Hideo Narita NUMERICAL AND EXPERIMENTAL STUDY ON METHANE HYDRATE FORMATION IN POROUS MEDIA...........................................................................................................................................................................................................1632 Ayako Fukumoto, Toru Sato, Shinichiro Hirabayashi, Fumio Kiyono, Jiro Nagao, Takao Ebinuma , Hideo Narita NUMERICAL MODELING FOR PREDICTING DEPOSITIONAL PATTERN OF GAS HYDRATE RESERVOIR TURBIDITES IN THE NORTHEAST NANKAI TROUGH AREA ............................................................................1633 Kosuke Egawa, Toshiko Furukawa, Tatsuo Saeki, Kiyofumi Suzuki, Hideo Narita NUMERICAL MODELING OF HYDRATE FORMATION AND METHANE GAS TRANSPORT THROUGH DYNAMIC CONDUITS ..............................................................................................................................................................................1640 Benjamin Scandella, Ruben Juanes NUMERICAL MODELING ON METHANE HYDRATE ACCUMULATION AT SHENHU AREA, NORTHERN SOUTH CHINA SEA ...................................................................................................................................................................................1641 Zheng Su, Nengyou Wu NUMERICAL MODELLING OF GRAIN-DISPLACING GAS HYDRATE MORPHOLOGIES ...................................................1642 Gabrielle Wojtowitz, Antonis Zervos, Chris Clayton OBSERVATIONS AND MODELS OF HEAT AND SALT GENERATION IN DEEPWATER GULF OF MEXICO VENTS .........................................................................................................................................................................................1650 Andrew Smith, Peter Flemings, Patrick Fulton OBSERVED TEMPORAL HYDRATE-PINGO ALTERATION AT POCKMARK G11, NYEGGA, -A POSSIBLE CLIMATE-CHANGE SIGNAL?................................................................................................................................................................1662 Martin Hovland OCCURRENCE AND ENRICHMENT CHARACTERISTICS OF GAS HYDRATE IN THE NORTHERN SOUTH CHINA SEA ...................................................................................................................................................................................1673 Shengxiong Yang, Haiqi Zhang, Guangxue Zhang, Ming Zhang, Hongbin Wang, Huaning Xu OCCURRENCE AND ORIGIN OF SHALLOW GAS HYDRATES OF THE EASTERN MARGIN OF JAPAN SEA AS REVEALED BY CALYPSO AND CASQ CORINGS OF R/V MARION DUFRESNE ......................................................1674 Ryo Matsumoto, Manabu Tanahashi, Yoshitaka Kakuwa OCCURRENCE OF HIGH SALINITY FLUIDS ASSOCIATED WITH MASSIVE NEAR-SEAFLOOR GAS HYDRATE DEPOSITS ...............................................................................................................................................................................1684 Marta Torres, Jihoon Kim, Jiyoung Choi, Byongjae Ryu, Jangjun Bahk, Michael Riedel , Timothy Collett, Weili Hong, Miriam Kastner ON THE ORIGIN OF CARBONATE CONCRETIONS ASSOCIATED WITH GAS HYDRATES IN THE EASTERN MARGIN OF JAPAN SEA: CONTRIBUTIONS FROM CRYSTAL HABIT AND TEXTURAL RELATIONSHIPS .......................................................................................................................................................................................1703 Marcelo Ketzer, Gesiane Sbrissa, Yifeng Chen, Ryo Matsumoto ONE YEAR LONG DIRECT OBSERVATIONS ON VOLCANIC ACTIVITY OF A COLD SEEP, THE HAKON MOSBY MUD VOLCANO, (HMMV) .......................................................................................................................................................1704 Dirk De Beer, Antje Boetius, Richard Camilli, Tom Feseker, Jean-Paul Foucher, Christopher German, James Kinsey, Jurgen Mienert, Michael Schluter, Christoph Waldmann, Frank Wenzhofer, Dana Yoerger ORIGINS AND DISTRIBUTION OF METHANE FLUXES AND GAS HYDRATE IN THE OKHOTSK SEA ...........................1708 Anatoly Obzhirov, Hitoshi Shoji, Young Jin, Boris Baranov ORIGINS AND SATURATION OF THE HYDRATE-BEARING SEDIMENTS FROM SEISMIC IMAGING IN THE NORTHERNMOST SOUTH CHINA SEA .....................................................................................................................................1709 Tan K. Wang, Jia-Ming Deng, Ben-Jhong Yang, Bo-Cheng Gao, Chao-Shing Lee, Char-Shine Liu RECENT DEVELOPMENTS OF GAS HYDRATE PROGRAM IN KOREA: ULLEUNG BASIN GAS HYDRATE DRILLING EXPEDITION 2 .................................................................................................................................................1710 Sung-Rock Lee, Dong Soo Kim, Byong Jae Ryu, Jang Jun Bahk, Dong Geun Yoo, Gil Young Kim, Joo Yong Lee, Jun Seog Yi, Timothy S. Collett, Michael Riedel, Marta E. Torres PCATS: PRESSURE CORE ANALYSIS AND TRANSFER SYSTEM ...............................................................................................1717 Peter Schultheiss, Melanie Holland, John Roberts, Matthew Druce, Philip Fox, Quentin Huggett MODELING DISSOCIATION AND REFORMATION OF METHANE AND CARBON DIOXIDE HYDRATE USING PHASE FIELD THEORY WITH IMPLICIT HYDRODYNAMICS ......................................................................................1727 Muhammad Qasim, Bjorn Kvamme, Khuram Baig PHYSICAL AND GEOTECHNICAL PROPERTIES OF GAS-HYDRATE-BEARING SEDIMENT FROM OFFSHORE INDIA AND THE NORTHERN CASCADIA MARGIN COMPARED TO OTHER HYDRATE RESERVOIRS ..............................................................................................................................................................................................1736 W. J. Winters POCKMARKS: SELF-SCOURING SEEP FEATURES? ......................................................................................................................1758 Laura Brothers, Joseph Kelley, Daniel Belknap, Peter Koons, Walter Barnhardt POLYGONAL FAULT, POCKMARK AND GAS HYDRATE OCCURRENCE IN THE NORTHERN SLOPE OF THE NORTHERN SOUTH CHINA SEA .................................................................................................................................................1768 Shiguo Wu, Duanxin Chen, Zhiliang Qin, Qiliang Sun, Xiujuan Wang PORE WATER SALINITY INFLUENCE ON THE SHALLOW SEDIMENT GAS HYDRATE FORMATION WITHIN GAS VENTING SITES ...............................................................................................................................................................1777 Tatiana Matveeva VOLUME 3 POSSIBLE GAS HYDRATES IN THE NORTHLAND AND TARANAKI BASINS, NEW ZEALAND - EVIDENCE FROM SEISMIC DATA: HIGH-RESOLUTION PROCESSING AND AVO ANALYSIS .........................................1778 Ingo Pecher, Oluwakemi Ogebule, Onyinyechi Nwanememma PREDICTIONS OF GAS HYDRATES USING PRE-STACK SEISMIC DATA, DEEPWATER GULF OF MEXICO .......................................................................................................................................................................................................1785 Dianna Shelander, Jianchun Dai, George Bunge, Tim Collett, Ray Boswell, Emrys Jones, John Balczewski PRESENT AND PAST METHANE SEEPAGE IN POCKMARK CN03, NYEGGA, OFFSHORE MID-NORWAY....................1795 Yifeng Chen, Youyan Bian, Haflidi Haflidason, Ryo Matsumoto PROKARYOTIC COMMUNITY STRUCTURE OF POTENTIAL GAS HYDRATE BEARING SEDIMENTS FROM THE GOOD WEATHER RIDGE, SW TAIWAN ......................................................................................................................1805 Mei-Chin Lai, Chuan-Chuan Hung, Jiun-Yan Ding, Shu-Yao Wu, Shu-Jung Lai, Ching-Yi Wu PROVENANCE OF SANDY SEDIMENTS AND THEIR POSSIBILITY OF HOSTING GAS HYDRATE IN THE EASTERN MARGIN OF JAPAN SEA .....................................................................................................................................................1812 Takashi Uchida, Isao Takashima, Tomoya Ito, Ryo Matsumoto QUALITATIVE ASSESSMENT OF GAS HYDRATE AND GAS CONCENTRATION FROM THE AVO CHARACTERISTICS OF THE BSRS IN THE ULLEUNG BASIN, EAST SEA (JAPAN SEA) .....................................................1817 Boyeon Yi, Gwang H. Lee, Dong G. Yoo, Byong J. Ryu QUANTITATIVE APPLICATIONS OF X-RAY CT OBSERVATIONS FOR CORE-SCALE HYDRATE STUDIES .......................................................................................................................................................................................................1818 Yongkoo Seol, Timothy Kneafsey, Evgeniy Myshakin RELATION BETWEEN STRONG REFLECTION AMPLITUDE ANORMALY AND GAS HYDRATE FROM 3D SEISMIC DATA IN THE ULLEUNG BASIN, EAST SEA ..............................................................................................................1828 Dong Hyo Kang, Dong Geun Yoo, Byong Jae Ryu, Bo Yeon Yi, Nyeon Keon Kang, Ji-Soo Kim RELATIONSHIP OF SULFATE-METHANE INTERFACE(SMI), METHANE FLUX AND THE UNDERLYING GAS HYDRATE IN THE DONGSHA AREA, NORTHERN SOUTH CHINA SEA ..........................................................................1829 Daidai Wu, Nengyou Wu, Rui Yang RELATIONSHIPS BETWEEN SEISMIC WAVE VELOCITIES, ELECTRIC RESISTIVITIES AND SATURATION RATIO OF METHANE HYDRATE USING CORE SAMPLES IN LABORATORY EXPERIMENTS...........................................................................................................................................................................................1830 Tatsuya Yokoyama, Eiki Nakayama, Hideki Saito, Shigeru Kuwano REPEATED METHANE HYDRATE FORMATION AND DISSOCIATION IN A PARTIALLY WATER SATURATED SAND: IMPACT ON HYDRATE HETEROGENEITY AND SONIC FREQUENCY SEISMIC PROPERTIES...............................................................................................................................................................................................1834 Timothy Kneafsey, Seiji Nakagawa ROCK PHYSICS CHARACTERIZATION OF THF-HYDRATE-BEARING SAND........................................................................1843 Marisa Rydzy, Michael Batzle ROLE OF BIOFACIES TO UNDERSTAND THE GAS HYDRATES SEEPAGE ENVIRONMENT FROM IODP SITES 890B, CASCADIA MARGIN..........................................................................................................................................................1844 Amit Kumar SEAFLOOR CHARACTERISTICS AND POTENTIAL GAS-HYDRATE FORMATION OFF SW Taiwan ...............................1845 Shu-Kun Hsu, Ching-Hui Tsai, Song-Chuen Chen, Tzong-You Shih SEDIMENT DRIFT-HOSTED GAS HYDRATE ALONG THE EASTERN CANADIAN MARGIN ..............................................1846 David Mosher, Deping Chian EVIDENCE AND BIOGEOCHEMICAL IMPLICATIONS FOR GLACIALLY-DERIVED SEDIMENTS IN AN ACTIVE MARGIN COLD SEEP ...............................................................................................................................................................1847 John Pohlman, Michael Riedel, Ivana Novosel, James Bauer, Elizabeth Canuel, Charles Paull , Richard Coffin, Kenneth Grabowski, David Knies, Roy Hyndman, George D. Spence SEDIMENTOLOGICAL CONTROL ON HYDRATE SATURATION DISTRIBUTION IN ARCTIC GAS- HYDRATE-BEARING DEPOSITS ...........................................................................................................................................................1848 Javad Behseresht, Steven Bryant SEEP MOUND ON THE CENTRAL BASIN PLAIN OF THE ULLEUNG BASIN, EAST SEA OF KOREA ...............................1849 Jong-Hwa Chun, Byong-Jae Ryu, Ji-Hoon Kim, Jang-Jun Bahk, Joo Yong Lee SEISMIC CHARACTERISATION OF THE GAS HYDRATE SYSTEM IN THE PEGASUS SUB-BASIN, SOUTHERN HIKURANGI MARGIN, NEW ZEALAND ......................................................................................................................1850 Douglas Fraser, Andrew Gorman, Ingo Pecher, Stuart Henrys SEISMIC CHARACTERISTICS AND IDENTIFICATION OF GAS AND GAS HYDRATES IN THE ULLEUNG BASIN, EAST SEA OFF KOREA ..............................................................................................................................................................1851 Dong G. Yoo, Neon K. Kang, Gil Y. Kim, Byong J. Ryu, Ho Y. Lee, Sung R. Lee, Bo Y. Yi, Gwang H. Lee, Soo C. Park SEISMIC DETECTION AND QUANTIFICATION OF GAS HYDRATES — APPLICATION TO INDIAN CONTINENTAL MARGIN ........................................................................................................................................................................1852 Kalachand Sain SEISMIC INVESTIGATION OF THE YUNG-AN RIDGE GAS HYDRATE FIELD OFFSHORE SOUTHWESTERN TAIWAN ....................................................................................................................................................................1857 Char-Shine Liu, Chia-Chun Ko, Shu-Lin Tu, Ho-Han Hsu, Shih-Wei Liao, Song-Chuen Chen , Yunshuen Wang, San-Hsiun Chung SOME COMMENTS ON THE ESTIMATION OF GEOTHERMAL GRADIENTS FROM THE DEPTHS OF BOTTOM SIMULATING REFLECTORS...............................................................................................................................................1861 Timothy Minshull STOCHASTIC BAYESIAN ALGORITHM TO ESTIMATE GAS HYDRATES SATURATION AT MALLIK GAS-HYDRATES FIELD, IN THE MACKENZIE DELTA, CANADA ..............................................................................................1869 Camille Dubreuil-Boisclair, Erwan Gloaguen, Gilles Bellefleur, Denis Marcotte STRENGTH AND DISSOCIATION PROPERTIES OF METHANE HYDRATE BEARING SAND .............................................1876 Masayuki Hyodo, Jun Yoneda, Nakata Yukio, Norimasa Yoshimoto STRENGTH PARAMETERS OF METHANE HYDRATE-BEARING SAND BY PLANE STRAIN SHEAR TESTS ............................................................................................................................................................................................................1887 Jun Yoneda, Masayuki Hyodo, Yukio Nakata, Norimasa Yoshimoto, Yutaka Imamura, Norio Tenma STRUCTURE OF FLUID SEEPAGE SITES AND ASSOCIATED BSR DISTRIBUTED ON THE SALT- CONTROLLED ANGOLA CONTINENTAL MARGIN.........................................................................................................................N/A Stefan Wenau, Noemi Fekete, Volkard Spie RECOGNIZING SEISMIC CHARACTERS OF GAS HYDRATES FROM DIFFERENT KINDS OF ATTRIBUTE PROFILE ..............................................................................................................................................................................1895 Zhibin Sha, Jinqiang Liang, Hongbin Wang, Jinan Lu, Yuehua Gong, Yiqun Guo, Fang Chen STUDY ON GENETIC TYPES OF HYDROCARBON GASES FROM GAS HYDRATE DRILLING WELL IN QILIAN MOUNTAIN PERMAFROST, QINGHAI, NORTHWEST CHINA .....................................................................................1896 Xia Huang, You-Hai Zhu STUDY ON STRENGTH OF METHANE HYDRATE-CLAY SEDIMENTS UNDER TRIAXIAL COMPRESSION...........................................................................................................................................................................................1897 Feng Yu, Yongchen Song, Yanghui Li, Weiguo Liu, Rui Wang, Xiongfei Nie SUBMARINE SLOPE INSTABILITY UNDER EARTHQUAKE LOADING AND METHANE HYDRATE DISSOCIATION: A MODELLING APPROACH ...................................................................................................................................1905 Dave Long, Alex Lemon, Jeremy Levesley, Denis Goldobin, Peter Jackson, Peter Hobbs, John Rees, Mike Lovell SULFUR ISOTOPIC COMPOSITIONS OF AUTHIGENIC PYRITE FROM MARINE SEDIMENT COLUMNS IN THE HYDRATE RIDGE, CASCADIAN MARGIN (ODP LEG 204): IMPLICATION FOR LARGE-SCALE METHANE-CHARGED EVENTS AND PALEO-SMI (SULFATE-METHANE INTERFACE)......................................................1906 Chen-Hui Liu Liu, Shao-Yong Jiang, Xin Su TENSILE STRENGTHS OF MARINE SEDIMENTS SAMPLED FROM METHANE HYDRATE BEARING ZONE NEAR THE NORTHEAST NANKAI TROUGH ........................................................................................................................1914 Kiyofumi Suzuki, Hideo Narita THE ANALYSIS OF METHANOL AND FORMALDEHYDE IN PORE WATER FROM JOETSU BASIN, EASTERN MARGIN OF THE SEA OF JAPAN .....................................................................................................................................1915 Atsushi Tani, Naoya Yamamoto, Takuya Higuchi, Katsunori Yanagawa, Hitoshi Tomaru, Yasuyuki Muramatsu , Ryo Matsumoto THE CHARACTERISTICS OF GAS HYDRATES RECOVERED FROM JOETSU BASIN, EASTERN MARGIN OF THE SEA OF JAPAN............................................................................................................................................................................1916 Hailong Lu, Igor Moudrakovski, Ryo Matsumoti, Atsushi Tani, John Ripmeester, Chris Ratcliffe THE CHARACTERISTICS OF NATURAL GAS HYDRATES RECOVERED FROM QILIAN MOUNTAIN PERMAFROST IN NORTHWEST CHINA .............................................................................................................................................1917 Changling Liu, Yuguang Ye, Qingguo Meng, Xingliang He, Hailong Lu, Youhai Zhu , Zhenquan Lu THE EVOLUTION OF SPIKES AND HOLES AT STRATIGRAPHIC BOUNDARIES IN NATURAL GAS HYDRATE DEPOSITS ...............................................................................................................................................................................1918 Alan Rempel THE FORMATION KINETIC OF METHANE HYDRATE DURING TRANSMISSION OF BUBBLES IN POROUS MEDIA.........................................................................................................................................................................................1924 Jin-An Guan, De-Qing Liang, Dong-Liang Li, Li-Hua Wan, Neng-You Wu THE GEOMECHANICAL PROPERTIES OF SYNTHETIC HYDRATE BEARING SEDIMENTS .............................................1925 Emily Rees, Seiji Nakagawa, Timothy Kneafsey THE IMPACT OF NON-HYDROCARBON GAS ON METHANE HYDRATE ................................................................................1936 Xuqiang Guo, Zhixin Liao THE INFLUENCE OF TECTONIC AND SEDIMENTARY PROCESSES ON BSR DEPTH AND GAS HYDRATE STABILITY AT THE MAKRAN ACCRETIONARY SYSTEM, OFFSHORE PAKISTAN .......................................1937 Noemi Fekete, Volkhard Spiess THE MECHANISM OF THE SLUMP STRUCTURE AND ITS CONTROLLING ON ACCUMULATION OF GAS HYDRATE IN NORTHERN OF SOUTH CHINA SEA ................................................................................................................1938 Zeng-Gui Kuang, Yi-Qun Guo, Li-Feng Wang THE MULTIPLE ROLES OF MICROBES IN THE FORMATION, DISSOCIATION AND STABILITY OF SEAFLOOR GAS HYDRATES .................................................................................................................................................................1939 Rudy Rogers, James Radich, Shangmin Xiong THE RELATIONSHIP BETWEEN THE DEPTH OF THE SULFATE-METHANE TRANSITION AND GAS HYDRATE OCCURRENCE IN THE NORTHERN CASCADIA MARGIN (IODP EXP. 311) .......................................................1950 Alberto Malinverno THE ROLE OF GAS BUBBLE EMISSIONS AT DEEP-WATER COLD SEEP SYSTEMS: AN EXAMPLE FROM THE MAKRAN CONTINENTAL MARGIN, OFFSHORE PAKISTAN ...............................................................................1956 Miriam Romer, Heiko Sahling, Volkhard Spieb, Gerhard Bohrmann THE SPACE-TIME CONFIGURATION OF THE SEDIMENTARY SUBFACIES OF THE INNER OF SEAFLOOR SLUMP AND WITH THE RELATIONSHIP OF THE GAS HYDRATE RESERVOIR, BAIYUN SAG, NORTHERN OF SOUTH CHINA SEA..........................................................................................................................................1964 Yiqun Guo, Lu-Shan Wu, Jin Liang THEORETICAL STUDY OF MULTI-COMPONENT NATURAL GAS HYDRATE FORMATION KINETICS .......................1965 Junfang Zhang, Mauricio Di Lorenzo THERMODYNAMIC CONTROL ON ANAEROBIC OXIDATION OF METHANE BELOW THE SULPHATE- METHANE INTERFACE...........................................................................................................................................................................1989 Katsunori Yanagawa, Michinari Sunamura, Hitoshi Tomaru, Ryo Matsumoto THREE TYPES OF GAS HYDRATE RESERVOIRS IN THE GULF OF MEXICO IDENTIDIED IN LWD DATA .............................................................................................................................................................................................................1995 Myung Lee, Timothy Collett TIME DOMAIN REFLECTOMETRY (TDR) IN MEASURING WATER CONTENTS AND HYDRATE SATURATIONS IN MARINE SEDIMENTS ...........................................................................................................................................2007 Gaowei Hu, Yuguang Ye, Shaobo Diao, Jian Zhang, Changling Liu TRANSIENT PRESSURES, HYDRAULIC FRACTURING, AND GAS MIGRATION AT SOUTHERN HYDRATE RIDGE: GEOPHYSICAL OBSERVATIONS AND FLOW MODELING......................................................................2014 Hugh Daigle, Nathan Bangs, Brandon Dugan USING HYDROCARBON RESERVOIR MODELLING SOFTWARE FOR NUMERICAL MODELLING OF LABORATORY EXPERIMENTS ON GAS HYDRATES .....................................................................................................................2025 Jens Klump, Anastasia Galkin, Judith Schicks, Carlos Giraldo USING REFRACTIONS OBSERVED IN LONG-OFFSET, MULTICHANNEL SEISMIC DATA TO ACHIEVE DIAGNOSTIC P-WAVE VELOCITIES IN THE GAS HYDRATE STABILITY ZONE ..................................................................2030 Warren Wood, Camelia Knapp, James Knapp VELOCITY STRUCTURE AND GAS HYDRATE SATURATION ESTIMATION ON ACTIVE MARGIN OFF SW TAIWAN INFERRED FROM SEISMIC TOMOGRAPHY ...........................................................................................................2031 Win-Bin Cheng, S. S. Lin, T. K. Wang, C. S. Lee, C. S. Liu WATER FLOW WITH GAS VENTING INFLUENCING ON HYDRATE ACCUMULATION AT SEEP SITE: APPLICATION TO THE SOUTHERN SUMMIT OF HYDRATE RIDGE, CASCADIA MARGIN OFF OREGON ......................................................................................................................................................................................................2032 Duofu Chen, Yuncheng Cao, Lawrence M. Cathles WATER-SOLUBLE ORGANIC COMPOUNDS FORMED BY RADIATION IN METHANE AND ETHANE HYDRATES ..................................................................................................................................................................................................2033 Atsushi Tani, Takuya Higuchi, Naoya Yamamoto, Tatsuro Murayama WESTERN PACIFIC GAS HYDRATE BELT ........................................................................................................................................2034 Renat Shakirov, Anatoly Obzhirov X-RAY COMPUTED TOMOGRAPHY OBSERVATIONS OF PREFERENTIAL MODES OF GAS MIGRATION IN SATURATED SEDIMENT SAMPLES......................................................................................................................2035 Yongkoo Seol, Jeong-Hoon Choi, Ray Boswell, Eilis J. Rosenbaum SPECIAL SESSION – GAS HYDRATES & FLOW ASSURANCE PERFORMANCE OF A NEW COPOLYMER KINETIC HYDRATE INHIBITOR POLY(N-VINYL-2- PYRROLIDONE-CO-2- VINYL PYRINIDINE)S WITH TBAB ..........................................................................................................2048 Juan Du, Jun Hu, Shuanshi Fan, Yanhong Wang, Xuemei Lang A EXPERIENCE CORRELATION TO PREDICT THE HYDRATE GROWTH PARAMETERS IN HYDRATE SLURRY FLOW ..........................................................................................................................................................................................2049 Bohui Shi, Jing Gong, Haiyuan Yao, Qingping Li A MODEL FOR HYDRATE INHIBITION OF METHANE BY POLYMERS...................................................................................2060 Abdolmohammad Alamdari, P. Parvasi A MODEL TO JUDGE AGGLOMERATION AND FLOW ASSURANCE OF HYDRATES IN PIPELINES ..............................2061 Wuchang Wang, Yuxing Li, Chao Zhu, Shuanshi Fan A NEW APPROACH TO A GREEN CHEMICAL TREATMENT FOR HYDRATES SUPPRESSION ........................................2062 Jose Biomorgi, Maria Carrasquero, Elluz Torin, Rosa Nadales, Alfredo Viloria A NEW METHOD FOR HYDRATE EARLY WARNING SYSTEM BASED ON HYDRATE MEMORY ...................................2067 Saeid Mazloum, Jinhai Young, Antonin Chapoy, Bahman Tohidi A NOVEL TECHNIQUE FOR MONITORING HYDRATE SAFETY MARGIN..............................................................................2073 Jinhai Yang, Antonin Chapoy, Saeid Mazloum, Bahman Tohidi A PROBABILISTIC APPROACH TO PREVENT THE FORMATION OF HYDRATES IN GAS PRODUCTION SYSTEMS......................................................................................................................................................................................................2081 Marco Montini, Andrew Hamphrey, Martin Watson, Adrian Johnson A SIMPLE CORRELATION FOR CALCULATING THE HYDRATE SUPPRESION TEMPERATURE BASED ON WATER ACTIVITY .............................................................................................................................................................................2089 Saeid Mazloum-Vajari, Antonin Chapoy, Jinhai Young, Bahman Tohidi A THERMODYNAMIC STUDY OF METHANE HYDRATE FORMATION IN THE PRESENCE OF [BMIM][BF4] AND [BMIM][MS] IONIC LIQUIDS ...............................................................................................................................2097 Khodadad Nazari, Mohammad Reza Moradi, Amir Nasser Ahmadi, Vahab Sahraei, Vahid Taghikhani, Cyrus Ghotbiz AGGLOMERATION OF GAS HYDRATE IN A WATER-IN-OIL EMULSION: EXPERIMENTAL AND MODELING STUDIES ...............................................................................................................................................................................2106 Islam Fetoui, Ana Cameirao, Hung Le Ba, Jean-Michel Herri, Myriam Darbouret, Philippe Glenat AMINO ACIDS AS NATURAL INHIBITORS FOR CO2 HYDRATE FORMATION .....................................................................2107 Jeong-Hoon Sa, Bo Ram Lee, Da-Hye Park, Kun-Hong Lee, Kunwoo Han, Hee Dong Chun AN EXPERIMENTAL STUDY ON SI HYDRATE FORMATION IN PRESENCE OF METHANOL, PVP AND PVCAP IN AN ISOCHORIC CELL SYSTEM ........................................................................................................................................2108 Wei Ke, Hailu Abay, Thor Svartaas APPLICATION OF A NEW CRYSTAL GROWTH INHIBITION BASED KHI EVALUATION METHOD TO COMMERCIAL FORMULATION ASSESSMENT ...............................................................................................................................2116 Philippe Glenat, Ross Anderson, Houra Mozaffar, Bahman Tohidi ASPHALTENES, WAXES, EMULSIONS, AND OIL SUSPENSIONS: INLINE PARTICLE AND DROPLET MEASUREMENTS IN DARK CRUDE OIL............................................................................................................................................2128 Ian Haley, Benjamin Smith, Des O'Grady CAN CYCLOPENTANE HYDRATE FORMATION BE USED TO RANKING THE PERFORMANCE OF KINETIC HYDRATE INHIBITORS? ......................................................................................................................................................2129 Malcolm Kelland, Hamidreza Sefidroodi, Erik Gisle Dirdal, Chandrakala Arulananthan CRYSTAL GROWTH INHIBITION OF TETRAHYDROFURAN HYDRATE WITH POLYQUATERNARY AMMONIUM SALTS..................................................................................................................................................................................2140 Malcolm Kelland, Ann Kristin Norland CSMHYK TRANSIENT HYDRATE KINETICS MODEL: A TOOL FOR GENERATION OF BEST PRACTICES IN FLOW ASSURANCE.....................................................................................................................................................2153 Luis E. Zerpa, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh DEHYDRATION OF GAS BY USE OF CLATHRATE HYDRATES..................................................................................................2154 Roar Larsen, Lorena Rachelle Ang, Are Lund DEVELOPING A ROBUST HYDRATE EARLY WARNING SYSTEM ............................................................................................2155 Saeid Mazloum, Antonin Chapoy, Jinhai Yang, Bahman Tohidi DEVELOPMENT OF A CRYSTAL GROWTH INHIBTION BASED METHOD FOR THE EVALUATION ON KINETIC HYDRATE INHIBITORS ........................................................................................................................................................2161 Ross Anderson, Houra Mozaffar, Bahman Tohidi DEVELOPMENT OF AN IMPROVED, NON-PITTING ANTI-AGGLOMERANT LOW-DOSE HYDRATE INHIBITOR (AA LDHI) WITH MINIMAL CORROSION POTENTIAL ........................................................................................... N/A Tim Garza, Ying H Tsang, Vu Thieu, Paul Stead, Marc Lehmann DEVELOPMENT OF HIGH PRESSURE AUTOMATED LAG TIME APPARATUS (HP-ALTA) FOR EXPERIMENTAL STUDIES AND STATISTICAL ANALYSES OF NUCLEATION AND GROWTH OF GAS HYDRATES ..................................................................................................................................................................................................2175 Nobou Maeda, Karen Kozielski, Darrell Wells, Norman Becker, Patrick Hartley, Peter Wilson , Tony Haymet DEVELOPMENT OF INNOVATIVE POLYMERS AS KINETIC HYDRATE INHIBITORS........................................................2180 Jun Zheng, Osama Musa, Scott Edris, Marc Alexandre DEVELOPMENT OF NEW EMPIRICAL CORRELATION FOR PREDICTING HYDRATE FORMATION CONDITIONS ..............................................................................................................................................................................................2181 Sayed Mojtaba Hoseini-Nasab, Mohsen Vafaei Sefti, Abolfazl Mohamadi, Amir Abbas Izadpanah DIRECT ELECTRICAL HEATING OF LIQUID-FILLED HYDRATE BLOCKAGES ..................................................................2189 John Boxall, Thomas Hughes, Eric May DIRECT HYDRATE INTERPARTICLE ADHESION FORCE MEASUREMENTS AND THE SIGNIFICANCE OF INTERFACIAL TENSION AND HYDRATE SURFACE WETTABILITY .................................................................................2195 Zachary Aman, E. Dendy Sloan, Amadeu Sum, Carolyn Koh DOES PVCAP PROMOTE NUCLEATION OF SII HYDRATE? ........................................................................................................2196 Hailu Kebede Abay, Erik Hovring, Thor Martin Svartas DUAL KINETIC HYDRATE INHIBITION AND SCALE INHIBITION BY POLYASPARTAMIDES ........................................2202 Malcolm Kelland, Anette Lunde, Marianne Saebo, Pei Cheng Chua DYNAMIC BEHAVIOUR OF NATURAL GAS HYDRATES DURING SIMULATED HIGH VELOCITY RESTART OPERATIONS IN A FLOW LOOP ......................................................................................................................................2213 Mauricio Di Lorenzo, Yutaek Seo, Gerardo Sanchez Soto, Philippe Glenat EVALUATION OF HYDRATE NUCLEATION TRENDS AND KINETIC HYDRATE INHIBITOR PERFORMANCE BY HIGH-PRESSURE DIFFERENTIAL SCANNING CALORIMETRY .........................................................2225 Kevin McNamee EXPERIMENTAL AND MODELLING LOW TEMPERATURE WATER CONTENT IN MULTICOMPONENT GAS MIXTURES .........................................................................................................................................................................................2236 Bahman Tohidi, Rod Burgass, Antonin Capoy EXPERIMENTAL STUDY OF HYDRATE FORMATION KINETICS IN THE PRESENCE OF THERMODYNAMIC AND KINETIC HYDRATE INHIBITORS .......................................................................................................2242 Yutaek Seo, Karen Kozielski, Minjun Cha, Wonhee Lee, Huen Lee FORMATION OF GAS HYDRATE BLOCKAGES IN UNDER-INHIBITED CONDITIONS ........................................................2243 John Boxall, Eric May GAS HYDRATE INHIBITION OF DRILLING FLUID ADDITIVES .................................................................................................2248 Xiaolan Liu, Zuohui Li, Yong Zheng, Rongqiang Li GAS HYDRATE OF DEEP WATER REGIONS AND DRILLING HAZARDS.................................................................................2255 Maryam Sedigh, Mehrdad Vahedi, Ramin Khodafarin, Ali Osouli GENETICALLY-ENGINEERED MUTANT ANTIFREEZE PROTEINS PROVIDE INSIGHT INTO HYDRATE INHIBITION.................................................................................................................................................................................................2256 Virginia Walker, Julie Choi, Daniel Myran, Adam Middleton, Raimond Gordienko, Hiroshi Ohno , John Ripmeester HYDRATE BLOCKAGE STUDIES OF GAS BUBBLING THROUGH ACCUMULATED WATER IN LOW SPOTS............................................................................................................................................................................................................. N/A Ishan Rao, Dendy Sloan, Carolyn Koh, Amadeu Sum HYDRATE PROTECTION WITH HEAT PRODUCING THREE-COMPONENT GAS HYDRATE INHIBITOR ....................2262 Marek Pakulski, Qi Qu HYDRATE SLURRY CHARACTERISATION FOR LAMINAR AND TURBULENT FLOWS IN PIPELINES .........................2268 Martin Gainville, Myriam Darbouret, Anne Sinquin HYDRATES IN HIGH MEG CONCENTRATION SYSTEMS.............................................................................................................2278 Antonin Chapoy, Bahman Tohidi IDENTIFICATION AND SOLUTIONS FOR FLOW ASSURANCE PROBLEMS IN DEW POINTING AND MERCAPTAN REMOVAL UNIT IN PHASES 2 & 3 ............................................................................................................................2285 Akbar Ehsaninejad, Shahrzad Tahmasbian, Bahman Tohidi, Nasibeh Hajilary IMPORTANCE OF HYDRATE MANAGEMENT: DEEPWATER CHALLENGES AND FLOW ASSURANCE.......................2296 Ramin Khodafarin, Ali Osouli, Mehrdad Vahedi, Khodadad Nazari IMPROVING THE PERFORMANCE OF KINETIC HYDRATE INHIBITORS..............................................................................2297 Lars Jensen, Nicolas Von Solms INFLUENCE OF GAS MIXTURE ON LOW DOSAGE GAS HYDRATE INHIBITORS ................................................................2298 Cuiping Tang, Deqing Liang INTERFACIAL ENERGIES OF HYDRATE AND ICE IN WATER AND OCTANE OBTAINED BY THE CAPILLARY FLUCTUATION METHOD COMPARED WITH ESTIMATES OBTAINED DIRECTLY FROM THE STRESS TENSOR IN THE INTERFACE REGION .....................................................................................................................2299 Bjorn Steen Saethre, Alex Christian Hoffmann, David Van Der Spoel INVESTIGATION OF PYRROLIDINIUM- AND MORPHOLINIUM-BASED IONIC LIQUIDS INTO KINETIC HYDRATE INHIBITORS ON STRUCTURE I METHANE HYDRATE ............................................................................................2300 Seong-Pil Kang, Kisub Kim KINETIC HYDRATE INHIBITION OF POLY(N-ALKYL(METH)ACRYLAMIDE)S WITH DIFFERENT TACTICITIES ..............................................................................................................................................................................................2306 Malcolm Kelland, Pei Cheng Chua, Tomohiro Hirano, Tomohiro Hirano KINETICS OF GAS HYDRATE FORMATION FROM PYROLYSIS GAS IN WATER-IN-OIL EMULSION SYSTEM ........................................................................................................................................................................................................2318 Qinglan Ma, Guangjin Chen, Xiulin Wang, Qiang Huang, Changyu Sun, Langying Yang LABORATORY EXPERIMENTS AND MODELING FOR HYDRATE FORMATION AND DEPOSITION FROM WATER-SATURATED GAS SYSTEMS ....................................................................................................................................2326 Ishan Rao, Dendy Sloan, Carolyn Koh, Amadeu Sum MATLAB SOFTWARE FOR CONTROL OF VISCOSITY ACTION OF ANTI-AGGLOMERANTS INHIBITORS. ...............................................................................................................................................................................................2334 Filippo Maccioni, Claudio Passucci, Carlo Giavarini MEASUREMENT OF EQUILIBRIUM DATA AND ESTIMATION OF METHANE HYDRATE CONDITIONS IN THE PRESENCE OF THERMODYNAMIC MIXED-INHIBITORS .............................................................................................2335 Seyed Mojtaba Hoseini-Nasab, Mohsen Vafaei Sefti, Amir Abbas Izadpanah MEASUREMENTS AND MODELING FOR THREE DIMENSIONAL PARTICLE JAMMING IN APPLICATION TO GAS PIPELINES......................................................................................................................................................2340 Patrick Lafond, Matthew Gilmer, Carolyn Koh, Dendy Sloan, Amadeu Sum, David Wu MEASURMENTS TO CHARACTERIZE THE PLUGABILITY OF CRUDE OILS ........................................................................2341 Sergey Skiba, Zachary Aman, Sanjeev Joshi, Amadeu K Sum, E. Dendy Sloan, Carolyn A. Koh MICROMECHANICAL ADHESION FORCE MEASUREMENTS BETWEEN CYCLOPENTANE HYDRATE PARTICLES IN WATER............................................................................................................................................................................2342 Sanjeev Joshi, Dendy Sloan, Carolyn Koh, Amadeu Sum MORPHOLOGICAL AND CALORIMETRIC INVESTIGATION OF HYDRATE-FORMING WATER-IN-OIL EMULSIONS ................................................................................................................................................................................................2343 Jeffrey Morris, Prasad Karanjkar, Jae Lee MULTI-SCALE ASSESSMENT OF THE PERFORMANCE OF KINETIC HYDRATE INHIBITORS .......................................2344 Nagu Daraboina, Peter Englezos, John Ripmeester, Virginia K Walker NATURAL ANTI-AGGLOMERANTS IN CRUDE OIL: ISOLATION, IDENTIFICATION AND VERFICATION OF INHIBITING EFFECT ...........................................................................................................................................2351 Sylvi Hoiland, Per Fotland, Eliska Slamova, Anna Elisabet Borgund, Kjell Magne Askvik NEW INSIGHTS FOR THF HYDRATES DETECTION AND NON CONVENTIONAL INHIBITORS EVALUATION. ............................................................................................................................................................................................2358 Francisco Yanez, Diana Chillon, Luis Orta, Francisco Landaeta NEXT-GENERATION ANTI-FREEZE HYDRATE INHIBITORS BASED ON THE XYLOMANNAN COMPOUND ................................................................................................................................................................................................2365 Jason Ivall, Phillip Servio NOVEL LOW-CONCENTRATION AMPHIPHILIC INHIBITORS AND THEIR APPLICATION TO FLOW ASSURANCE................................................................................................................................................................................................2366 Pietro Di Profio, Raimondo Germani, Gianfranco Savelli, Francesca Marvulli NUMERICAL STUDIES OF THE POSSIBILITY OF DETECTION AND LOCALIZATION OF HYDRATE PLUGGING IN PIPELINES USING ACOUSTIC METHODS .............................................................................................................2373 Dmitry Belov, Masafumi Fukuhara, Dmitriy Mikhaluk ON THE PHASE BEHAVIOUR OF THE CARBON DIOXIDE - WATER SYSTEMS AT LOW TEMPERATURES.......................................................................................................................................................................................2385 Hooman Haghighi, Antonin Chapoy, Bahman Tohidi, Rod Burgass ON THE SAFETY OF HYDRATE REMEDIATION BY ONE-SIDED DEPRESSURIZATION.....................................................2394 Ricardo Camargo, Marcelo Goncalves, Claudio Barreto, Rafael Faraco, Angela Nieckele ONLINE MONITORING OF HYDRATE SAFTY MARGIN ...............................................................................................................2403 Saeid Mazloum, Antonin Chapoy, Jinhai Young, Bahman Tohidi OVERVIEW OF CSMHYK: A TRANSIENT HYDRATE KINETICS MODEL DEVELOPED OVER A DECADE OF HYDRATE RESEARCH ......................................................................................................................................................................2409 Luis E. Zerpa, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh PREDICTION OF GAS HYDRATE PHASE BEHAVIOR IN THE PRESENCE OF ALCOLHOLS AND GLYCOLS WITH PRSV EQUATION OF STATE AND THE VDW-P MODEL...............................................................................2410 Li-Jen Chen, Chi-Hung Lin, Yen-Ting Yeh, Min-Kang Hsieh, Shiang-Tai Lin, Yan-Ping Chen PREDICTION OF INDUCTION TIME FOR METHANE AND CARBON DIOXIDE HYDRATES..............................................2418 Abdolmohammad Alamdari, A. Valizadeh, F. Esmaeilzadeh PREDICTION OF THE INDUCTION OF GAS HYDRATE WITH PVP AND/OR PVCAP............................................................2419 Seong-Pil Kang, Huen Lee, Shaumak Potdar, Sangyong Lee PROJECT DESIGN HYDRATE MANAGEMENT BY APPLICATION OF MULTIPHASE FLOW SIMULATIONS TOOLS WITH HYDRATE FORMATION AND TRANSPORT .............................................................................2420 Jefferson Creek, Douglas Estanga, Sivakumar Subramanian, Kristian Krejbjerg STRATEGIC APPROACH TO PREVENT NATURAL GAS HYDRATE OBSTRUCTIONS IN DEEPWATER OPERATIONS: THE USE OF RESERVOIR FLUID CHARACTERISTICS AND OPERATIONAL CONDITIONS ..............................................................................................................................................................................................2432 Douglas Estanga, Jefferson Creek, Sivakumar Subramanian STUDY OF CO-SURFACTANTS FOR HYDRATE ANTI-AGGLOMERATION .............................................................................2433 Minwei Sun, Yan Wang, Abbas Firoozabadi STUDY ON MULTI-PHASE FLOW AND PRESSURE CONTROL IN GAS HYDRATE DRILLING ..........................................2434 Baojiang Sun, Yonghai Gao, Zhiyuan Wang, Qinghua Zheng THE CSIRO'S HYDRATES FLOW LOOP AS A TOOL TO INVESTIGATE HYDRATE BEHAVIOUR IN GAS DOMINANT FLOWS ..................................................................................................................................................................................2446 Mauricio Di Lorenzo, Yutaek Seo, Gerardo Sanchez Soto THE EFFECT OF AUTOCLAVE DESIGN AND TEST PROTOCOL ON HYDRATE TEST RESULTS.....................................2457 Kevin McNamee, Pete Conrad THE EFFECT OF BLOCK COPOLYMERS ON METHANE HYDRATE INHIBITION................................................................2465 Phillip Servio, Dany Posteraro, Milan Maric THE EFFECT OF PVCAP ON METHANE HYDRATE NUCLEATION AND GROWTH .............................................................2466 Hailu Kebede Abay, Yonas Hovland, Thor Martin Svartas THE HYDRATE PLUGGING TENDENCY OF CRUDE OILS AS DETERMINED BY USING HIGH PRESSURE ELECTRICAL CONDUCTIVITY AND VISUAL HYDRATE ROCKING CELL TESTS .........................................2472 Arvind Gupta, Daniel Crosby, James Guillory THE INHIBITION OF GAS HYDRATES AND SYNERGY OF THE INHIBITING MOLECULES .............................................2479 Hua Guan THE MISSING POLYVINYLLACTAM KINETIC HYDRATE INHIBITOR — PART 1. CRYSTAL GROWTH INHIBITION OF TETRAHYDROFURAN HYDRATE WITH POLYVINYLPIPERIDONE AND OTHER POLYVINYLLACTAM HOMOPOLYMERS .........................................................................................................................................2493 Malcolm Kelland, Rachel O'Reilly, Pei Cheng Chua, Nge Sze Leong THE MISSING POLYVINYLLACTAM KINETIC HYDRATE INHIBITOR — PART 2. HIGH PRESSURE KINETIC HYDRATE INHIBITION OF STRUCTURE II GAS HYDRATES WITH POLYVINYLPIPERIDONE AND OTHER POLYVINYLLACTAM HOMOPOLYMERS................................................................................................................2501 Malcolm Kelland, Rachel O'Reilly, Pei Cheng Chua, Nga Sze Leong THE PRELIMINARY STUDY OF HYDRATE ANTI-AGGLOMERANT APPLIED IN MULTIPHASE FLOW PIPELINE .....................................................................................................................................................................................................2509 Haiyuan Yao, Qingping Li, Guangjin Chen, Jing Gong THE WETTING INDEX: A QUANTITATIVE MEASURE OF INDIGENOUS HYDRATE PLUGGING TENDENCY; FLOW TEST VALIDATIONS ..........................................................................................................................................2515 Sylvi Hoiland, Philippe Glenat, Per Fotland, Kjell Magne Askvik, Xiaoyun Li, Anna Elisabet Borgund TORQUE MOMENT AS INDICATOR OF LOW DOSAGE HYDRATES INHIBITORS EFFECT ON MULTIPHASE SYSTEMS: AN EXPERIMENTAL STUDY ON QUATERNARY AMMONIUM AND PHOSPHONIUM COMPOUNDS. .............................................................................................................................................................2527 Filippo Maccioni, Claudio Passucci TRANSPORTABILITY AND PLUGGING RISK FOR UNDER-INHIBITED NATURAL GAS HYDRATE SYSTEMS......................................................................................................................................................................................................2528 C. Hadsbjerg, E Delle-Case, J Creek TRANSPORTABILITY OF HYDRATE PARTICLES AT HIGH WATER CUT SYSTEMS AND OPTIMISATION OF ANTI-AGGLOMERANT CONCENTRATION ................................................................................................2529 Hossein Moradpour, Antonin Chapoy, Bahman Tohidi UNCONVENTIONAL HYDRATE INHIBITION FOR AN OFFSHORE SOUR LEAN GAS PRODUCTION .............................2541 Shadi Al-Adel, Ivan Cruz UNDERSTANDING HYDRATE PLUG FORMATION FROM HIGH WATER CUT SYSTEMS WITH 4 INCH FLOWLOOP.................................................................................................................................................................................................2542 Sanjeev Joshi, Ishan Rao, Luis Zerpa, Eric Webb, Patrick Lafond, Dendy Sloan , Amadeu Sum, Carolyn Koh USE OF UNDER-INHIBITION IN HYDRATE CONTROL STRATEGIES ......................................................................................2543 Xiaoyun Li, Pal V. Hemmingsen, Keijo Kinnari SPECIAL SESSION – GAS HYDRATES & GLOBAL CLIMATE CHANGE ACCURATE IN SITU OBSERVATION OF DEEP-SEA SEDIMENT METHANE PROFILES FROM HYDRATE PROVINCES.................................................................................................................................................................................................2554 Peter Brewer, Xin Zhang, William Ussler, Keith Hester, Edward Peltzer, Peter Walz ANALYTICAL NATURAL GAS HYDRATES DISSOCIATION EFFECTS ON GLOBE CLIMATE CHANGE AND HAZARDS ...........................................................................................................................................................................................2563 Bin Dou, Guosheng Jiang, Mingju Qin, Hui Gao AUTHIGENIC CARBONATES RELATED TO THERMOGENIC GAS HYDRATES IN THE SEA OF MARMARA (TURKEY). ............................................................................................................................................................................2570 Antoine Cremiere, Catherine Pierre, Marie-Madeleine Blanc-Valleron, Giovanni Aloisi, Pierre Henry, Tiphaine Zitter, Namik Cagatay BASIN-SCALE ASSESSMENT OF GAS HYDRATE DISSOCIATION IN RESPONSE TO CLIMATE CHANGE ....................2578 Matthew Reagan, George Moridis, Scott Elliott, Mathew Maltrud, Philip Cameron-Smith BULGARIAN GAS HYDRATES AND BOTTOM INSTABILITY.......................................................................................................2591 Atanas Vasilev DEGRADING SUBMARINE PERMAFROST AND GAS HYDRATE UNDER THE CONTINENTAL SHELF AND SLOPE OF THE BEAUFORT SEA .................................................................................................................................................2592 Charles Paull, Scott Dallimore, John Hughes-Clarke, Steve Blasco, Eve Lundsten, William Ussler III, Dale Graves, Alana Sherman, Kim Conway, Humfrey Melling, Svein Vagle, Timothy Collett GAS HYDRATE, FREE GAS AND OVERPRESSURE .........................................................................................................................2604 Umberta Tinivella, Michela Giustiniani GAS HYDRATES STABILITY AND THE DYNAMICS OF TALIKS IN THE MACKENZIE DELTA, CANADA ....................2608 Jacek Majorowicz, Jan Safanda, Kirk Osadetz LITHOSTRATIGRAPHIC CONTROL OF METHANE GAS AND HYDRATE BENEATH THE CONTINENTAL SLOPE OF WEST SVALBARD AND ITS EFFECTS ON SEABED GAS EMISSIONS. ...................................2623 Graham Westbrook, Tim Minshull, Anne Chabert, Sudipta Sakar, Kate Thatcher, Christian Berndt, Rachael James, Heiko Palike MODELLING CHANGES IN THE GLOBAL METHANE HYDRATE INVENTORY....................................................................2624 Stephen J. Hunter, Denis Goldobin, Alan Haywood, John Rees, Andy Ridgwell, Nikolai Brilliantov , Peter Jackson, Chris Rochelle, Mike Lovell, Jeremy Levesley MULTIPLE METHANE SEEP EVENTS AND IMPLICATIONS FOR THE CLIMATE CHANGES IN NEOPROTEROZOIC CAP CARBONATE IN SOUTH CHINA ..........................................................................................................2625 Jiasheng Wang, Zhou Wang, Lei Xie, Jun Hu, Hongren Chen, Qi Lin MULTIPLE METHANE SEEPS IN NEOPROTEOROZOIC CA DOLOSTONE .............................................................................. N/A Jiasheng Wang PERMAFROST AND GAS HYDRATE RELATED METHANE RELEASE IN THE ARCTIC AND ITS IMPACT ON CLIMATE CHANGE - EUROPEAN COOPERATION FOR LONG-TERM MONITORING: COST ACTION PERGAMON ...............................................................................................................................................................................2626 Jens Greinert PETROGRAPHIC AND GEOCHEMICAL CHARACTERIZATION OF AUTHIGENIC CARBONATES FROM THE NORTHERN SOUTH CHINA SEA .................................................................................................................................................2630 Shuhong Wang, Wen Yan, Zhong Chen, Vitor Hugo Magalhaes, Luis Menezes Pinheiro PORE-SCALE MODELING OF OVERPRESSURE CAUSED BY HYDRATE DISSOCIATION..................................................2631 Ran Holtzman, Ruben Juanes RISING ARCTIC OCEAN TEMPERATURES CAUSE GAS HYDRATE DESTABILIZATION AND OCEAN ACIDIFICATION ........................................................................................................................................................................................2639 Lars Rupke, Arne Biastoch, Tina Treude, Ulf Riebesell, C. Roth, E. B. Burwicz , W. Park, M. Latif, Claus Boning, G. Madec, Klaus Wallmann SEA-AIR HYDROCARBON FLUXES ASSOCIATED WITH A 900-M SEAFLOOR GAS HYDRATE DEPOSIT IN THE GULF OF MEXICO .....................................................................................................................................................................2645 Evan Solomon, Miriam Kastner, Ira Leifer, Ian Macdonald, Jeff Chanton, Gretchen Robertson SEISMIC EVIDENCE FOR SHALLOW FLUID-ESCAPE FEATURES OFFSHORE WESTERN SVALBARD ........................2646 Sudipta Sarkar, Anne Chabert, Christian Berndt, Timothy A. Minshull, Graham K. Westbrook, Dirk Klaeschen, Douglas G. Masson THE MEDITERRANEAN SEA: A NATURAL LABORATORY TO STUDY GAS HYDRATE DYNAMICS? ............................2647 Daniel Praeg, Riccardo Geletti, Nigel Wardell, Jean Mascle, Sebastien Migeon, Vikram Unnithan, Angelo Camerlenghi TIMING OF METHANE RELEASE FROM HYDRATE DISSOCIATION ON THE WEST SVALBARD MARGIN .......................................................................................................................................................................................................2655 Graham Westbrook, Kate Thatcher Author Index