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Keywords: gas hydrate dissociation
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Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2215
... ABSTRACT Cracks may be created in clays after gas hydrate dissociates. More cracks can be created in clays with a high degree of gas saturation after dissociation and the degree of gas saturation is linked to peak undrained shear strength of the clays through experimental tests. A damage model...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-720
...., 2011). The main properties of the sandy layer containing gas hydrate were estimated based on borehole data (Seo et al., 2010; Shin et al., 2012). Also, a computational numerical model was performed to identify gas hydrate dissociation behavior within the experimental system and to conduct...
Proceedings Papers
Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-246
... or pressure changes, the pore pressure increases associated with volume expansion of the gas released during gas hydrate dissociation will likely result in fractures filled with pressurized fluid products open accompanied by softening of soil in gas and water intrusion zone together with seafloor...
Proceedings Papers
Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-323
... productivity experimental system production mode hydrate inhibitor injection injection rate enhanced recovery hydrate dissociation dissociation saturation gas production gas hydrate dissociation production rate eg solution experiment Experimental Studies of Natural Gas Hydrate Dissociation...
Proceedings Papers
Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-289
... is about 60–70 billion tons (Wu, et al. 2008). So gas hydrate is regarded as a kind of future energy due to its tremendous reserve and widespread deposition. A lot of laboratory experiments have been carried out to study gas hydrate dissociation (Akihiro, et al. 2008; Taro, et al. 2008; Sun, et al...
Proceedings Papers
Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-175
... Based on an assumed vertical pipeline in seabed, which contains sand and gas hydrate sediment, the deformation and stress of pipeline and sediment are numerically simulated with the different area of gas hydrate dissociation by using the business software ABAQUS. The effects of gas hydrate...
Proceedings Papers
Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-378
... was replaced with gas. The vessel was frozen and MH was cooled with irreducible water and free gas. gas hydrate dissociation history equation calculation gas rate fraction dissociation permeability simulation upstream oil & gas pressure difference mh column cumulative gas production...
Proceedings Papers
Paper presented at the The Fourteenth International Offshore and Polar Engineering Conference, May 23–28, 2004
Paper Number: ISOPE-I-04-042
... ABSTRACT Formation and dissociation of gas hydrates exert a significant influence on the mechanical properties of marine sediments. Very small perturbations in the ambient conditions caused by influx of warmer water or by pressure fluctuations may lead to gas hydrate dissociation resulting...