Abstract
Methane hydrate (MH) is one of the potential resources of natural gas. In this study, we have conducted the field scale simulation to clarify permeability characteristics and gas production behavior during MH dissociation process in marine sediments. Reservoir model is based on the field data for Nankai Trough area in the adjacent Sea of Japan, and characterized by permeability anisotropy due to alternation of strata consisting of sand and mud layers. Some simulation runs were conducted, changing the relative permeability as calculation parameter. Based on calculation results, we considered the effect of this parameter on MH dissociation and gas production behavior.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 8th 2009 ISOPE Ocean Mining and Gas Hydrates Symposium, ISOPE OMS-2009 |
| Pages | 80-87 |
| Number of pages | 8 |
| Publication status | Published - 2009 Dec 1 |
| Externally published | Yes |
| Event | 8th 2009 ISOPE Ocean Mining and Gas Hydrates Symposium, ISOPE OMS-2009 - Chennai, India Duration: 2009 Sep 20 → 2009 Sep 24 |
Publication series
| Name | Proceedings of the ISOPE Ocean Mining Symposium |
|---|
Other
| Other | 8th 2009 ISOPE Ocean Mining and Gas Hydrates Symposium, ISOPE OMS-2009 |
|---|---|
| Country | India |
| City | Chennai |
| Period | 09/9/20 → 09/9/24 |
Keywords
- Absolute permeability
- Depressurization
- Dissociation
- Gas hydrate
- Marine sediment
- Methane
- Relative permeability
- Simulation
ASJC Scopus subject areas
- Geotechnical Engineering and Engineering Geology
- Ocean Engineering
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Cite this
Sakamoto, Y., Komai, T., Miyazaki, K., Tenma, N., & Yamaguchi, T. (2009). Field scale simulation on gas production behavior during depressurization process in methane hydrate sediments located at Nankai Trough area in the adjacent sea of Japan. In Proceedings of the 8th 2009 ISOPE Ocean Mining and Gas Hydrates Symposium, ISOPE OMS-2009 (pp. 80-87). (Proceedings of the ISOPE Ocean Mining Symposium).