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Numerical Simulation of Gas Production from Gas Hydrate Zone in Shenhu Area, South China Sea
Li Gang; Li Xiaosen; Chen Qi; Chen Zhaoyang
2010-06-14
发表期刊ACTA CHIMICA SINICA
卷号68期号:11页码:1083-1092
摘要Considerable 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.
文章类型Article
关键词Natural Gas Hydrate Depressurization Thermal Stimulation Tough Plus Hydrate Shenhu
WOS标题词Science & Technology ; Physical Sciences
研究领域[WOS]Chemistry
关键词[WOS]HEAT-FLOW ; ACCRETIONARY PRISM ; FLUID EXPULSION ; MACKENZIE DELTA ; MALLIK SITE ; ENERGY ; SEDIMENT ; RESOURCE ; CANADA
收录类别SCI
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000279211800008
引用统计
被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10315
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Peoples R China
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GB/T 7714
Li Gang,Li Xiaosen,Chen Qi,et al. Numerical Simulation of Gas Production from Gas Hydrate Zone in Shenhu Area, South China Sea[J]. ACTA CHIMICA SINICA,2010,68(11):1083-1092.
APA Li Gang,Li Xiaosen,Chen Qi,&Chen Zhaoyang.(2010).Numerical Simulation of Gas Production from Gas Hydrate Zone in Shenhu Area, South China Sea.ACTA CHIMICA SINICA,68(11),1083-1092.
MLA Li Gang,et al."Numerical Simulation of Gas Production from Gas Hydrate Zone in Shenhu Area, South China Sea".ACTA CHIMICA SINICA 68.11(2010):1083-1092.
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