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Keywords: methane hydrate
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Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-660
... ABSTRACT In this work, we studied the step-down dissociation process of methane hydrate in three typical inorganic salt solutions (sodium chloride, potassium chloride and calcium chloride). Based on the experimental results and Kim-Bishnoi model, a kinetic model of hydrate dissociation...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-635
... saturation hydrate dissociation gas hydrate dissociation process reservoir propane gas experiment enhanced recovery concentration equilibrium temperature hydrate reservoir sakamoto acid injection hydrate dissociation process dissociation temperature methane hydrate gas production...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-737
.... hydrate molecule wellhead extraction gas hydrate hanger subsea system jogmec methane hydrate reservoir production tree commercial exploitation upstream oil & gas hydrate production platform tree cap tree configuration gas hydrate production south china sea flow assurance...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-659
... according to method based on IP143/90 (AlHumaidan et al., 2017) and characterized by FTIR, element analysis, SEM and MALDI-TOF MS. Thereafter, the effect of asphaltenes was studied on the phase stability of pure methane hydrate system at 1000 ppm and 10000 ppm concentration. It has been observed...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-173
... Abstract Huge amount of methane hydrates worldwide exist at offshore and onshore areas, particularly in reservoirs of marine sediments. Because the development of methane hydrates is of great interest for future energy of natural gas, a lot of R&D projects have been undertaken to achieve...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-056
... Abstract Viscoelastic behaviors of gas-hydrate-bearing sediment are thought to be significant in the long-term prediction of the geomechanical response to gas extraction from the gas-hydrate reservoir. Two types of triaxial compression tests on artificial methane-hydrate-bearing sediment...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-082
... with the reported literature. Finally, the hydrate suppression temperature due to ILs on methane hydrate is calculated to know the inhibition effectiveness of IL on methane hydrate formation in offshore pipeline system. The overall accuracy of Pitzer-Mayorga model is found to be 5.8 % while NRTL model's accuracy...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-138
... emphasis has been laid on environmental aspects of accidental cargo release because of the large global warming potential of methane. KEY WORDS Methane hydrate, NGH, gas transport, risk analysis, risk model INTRODUCTION Methane hydrate is a solid clathrate hydrate in which methane is trapped within...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-045
... Loading-Rate Dependence of Triaxial Compressive Strength of Artificial Methane-Hydrate-Bearing Sediment Containing Fine Fraction Kuniyuki Miyazaki*, Norio Tenma*, Kazuo Aoki*, Yasuhide Sakamoto** and Tsutomu Yamaguchi * Methane Hydrate Research Center, National Institute of Advanced Industrial...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-041
... sakamoto permeability flow assurance ohmura standard deviation permeability measurement methane-hydrate-bearing sediment hydrate upstream oil & gas minagawa gaussian distribution sediment hydraulic permeability methane hydrate methane-hydrate saturation relation saturation...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-090
... Bulk Thermal Conductivity of Stable and Dissolved Methane Hydrate- Bearing Zones Simon Falser, Matilda Loh, Andrew Palmer, Thiam Soon Tan Centre for Offshore Research and Engineering, Department of Civil & Environmental Engineering, National University of Singapore, Singapore ABSTRACT...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-140
... in deep-sea gas hydrate, which is capable of storing a tremendous amount of NGH. The clay interlayer provides a unique chemical-physical environment for gas hydrates. Here, for the first time, we pull out methane from intercalated methane hydrates in a clay interlayer using CO2 and a CO2+N2 gas mixture...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-198
... Study on the Relative Permeability with Change of Methane Hydrate Saturation in Glass Beads Packs Yu Liu, Yongchen Song, Wei-haur Lam Key Lab of Ocean Energy Utilization and Energy Conservation of Ministry of Education Dalian, Liaoning, P.R. China Xichong Yu Research Center of China National...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-644
... transition due to CO2s attack induces the considerable increase of CH4 recovery rate. KEY WORDS: methane hydrate; carbon dioxide; nitrogen; replacement technique; clay; sequestration. INTRODUCTION The discovery of huge amounts of hydrocarbon resources in the solid state form of gas hydrate on the continental...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-323
... Methane hydrate is a promising energy resource in the near future. Its production is a current hot topic and flow of methane gas with water in sediment sand layer is very important to predict the production rate. In this study, permeability of microscale sand layer was numerically simulated...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-343
... methane-hydrate-bearing sediment. The exploitation of methane hydrate (MH) and methods of producing methane gas from methane hydrate, such as (1) the depressurization method (Sakamoto 2007a, 2007b), (2) the thermal stimulation method (Sakamoto 2007a, 2007b), and (3) the inhibiter injection method...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-344
... In this study, two methods of loading tests were carried out for sand mixed with synthetic methane hydrate under triaxial compressive stress; one is "constant strain-rate test" and the other is "alternating strain-rate test." On the basis of experimental results, we have explored the loading...

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