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The simulation of nature gas production from ocean gas hydrate reservoir by depressurization
Bai YuHu1; Li QingPing1; Li XiangFang2; Du Yan3
2008-08-01
Source PublicationSCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES
Volume51Issue:8Pages:1272-1282
AbstractThe vast amount of hydrocarbon gas encaged in gas hydrates is regarded as a kind of future potential energy supply due to its wide deposition and cleanness. How to exploit gas hydrate with safe, effective and economical methods is being pursued. In this paper, a mathematical model is developed to simulate the hydrate dissociation by depressurization in hydrate-bearing porous medium. The model can be used to analyze the effects of the flow of multiphase fluids, the intrinsic kinetic process of hydrate dissociation, the endothermic process of hydrate dissociation, ice-water phase equilibrium, the variation of permeability, the convection and conduction on the hydrate dissociation and gas and water production. The numerical results agreed well with the 1-D and 2-D experiments. The numerical results for 3-D hydrate reservoir show that in the first stage of depressurization gas can be produced effectively from hydrate reservoir. With the depletion of reservoir energy because of endothermic process of hydrate dissociation the gas rate decreases rapidly. Then, methods such as thermal stimulation and inhibitor injection should be considered to replace depressurization.
SubtypeArticle
KeywordDepressurization Gas Hydrate Reservoir Numerical Simulation Physical Experiment
WOS HeadingsScience & Technology ; Technology
DOI10.1007/s11431-008-0146-1
WOS Subject ExtendedEngineering ; Materials Science
WOS KeywordDISSOCIATION ; KINETICS
Indexed BySCI
Language英语
WOS SubjectEngineering, Multidisciplinary ; Materials Science, Multidisciplinary
WOS IDWOS:000257400100019
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10295
Collection中国科学院广州能源研究所
Affiliation1.China Natl Offshore Oil Corp, Technol Res Dept, Res Ctr, Beijing 100027, Peoples R China
2.China Univ Petr, Fac Petr Engn, Beijing 102249, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Bai YuHu,Li QingPing,Li XiangFang,et al. The simulation of nature gas production from ocean gas hydrate reservoir by depressurization[J]. SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES,2008,51(8):1272-1282.
APA Bai YuHu,Li QingPing,Li XiangFang,&Du Yan.(2008).The simulation of nature gas production from ocean gas hydrate reservoir by depressurization.SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES,51(8),1272-1282.
MLA Bai YuHu,et al."The simulation of nature gas production from ocean gas hydrate reservoir by depressurization".SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES 51.8(2008):1272-1282.
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