GIEC OpenIR  > 中国科学院广州能源研究所
Alternative TitleNumerical Simulation of Gas Production from Gas Hydrate Zone in Shenhu Area, South China Sea
Li Gang (李刚); Li Xiaosen(李小森); Chen Qi (陈琦); Chen Zhaoyang (陈朝阳)
Contribution Rank[Li Gang (李刚); Li Xiaosen(李小森); Chen Qi (陈琦); Chen Zhaoyang (陈朝阳)] Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Peoples R China
Corresponding AuthorLi, G (reprint author), Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Peoples R China.
Other AbstractConsiderable hydrate deposits are proved to exist by drilling in-situ in the Shenhu Area of South China Sea in China, and the survey and evaluation as a potential energy resource has been carried out. In May, 2007, gas hydrate samples have been collected in the Shenhu Area, which will become a strategical area of gas hydrate exploitation in China. TOUGH HYDRATE is employed to simulate the hydrate dissociation and water/gas production process with the single depressurization and the depressurized+thermal stimulation, based on the geological data of the SH2, SH3 and SH7 site in the Shenhu Area in South China Sea. The simulation results indicate that the hydrate dissociate at the area surrounding the production well, the boundary area of the bottom and top of the hydrate bearing layer (HBL). There is an inversion of the geothermal gradient at the interface between the overburden (OB) and the HBL because of hydrate dissociation-induced cooling in the HBL. Practically impermeable secondary hydrate barrier evolves around the wellbore, which sealed the hydrate body and prevented communication with the evolving upper dissociating interface at the end of the depressurization process. With the hot water injected from the top of the HBL, the secondary hydrate can be eliminated during the depressurization+thermal stimulation process.
KeywordNatural Gas Hydrate Depressurization Thermal Stimulation Tough Plus Hydrate Shenhu Heat-flow Accretionary Prism Fluid Expulsion Mackenzie Delta Mallik Site Energy Sediment Resource Canada 天然气水合物 降压开采 注热开采 南海神狐海域
Subject AreaChemistry
Indexed BySCI ; CSCD
Funding Organization中科院重大科研装备(No.YZ200717);中科院知识创新工程重要方向(No.KGCX2-YW-3X6);国家自然科学基金(Nos.20773133,50874098);国家高技术研究发展计划(No.2006AA0523191);广东省自然科学基金(No.07301638)
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Document Type期刊论文
Recommended Citation
GB/T 7714
Li Gang (李刚),Li Xiaosen(李小森),Chen Qi (陈琦),等. 南海神狐海域天然气水合物开采数值模拟[J]. ACTA CHIMICA SINICA,2010,68(11):10,1083-1092.
APA Li Gang ,Li Xiaosen,Chen Qi ,&Chen Zhaoyang .(2010).南海神狐海域天然气水合物开采数值模拟.ACTA CHIMICA SINICA,68(11),10,1083-1092.
MLA Li Gang ,et al."南海神狐海域天然气水合物开采数值模拟".ACTA CHIMICA SINICA 68.11(2010):10,1083-1092.
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