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Numerical Simulation of Gas Production from Natural Gas Hydrate Using a Single Horizontal Well by Depressurization in Qilian Mountain Permafrost
Li, Xiao-Sen1; Yang, Bo; Li, Gang; Li, Bo
2012-03-21
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume51Issue:11Pages:4424-4432
AbstractIn November 2008, gas hydrate samples were recovered during the scientific expedition conducted in the Qllian Mountain Permafrost. It is expected that this area will become a strategic area of gas hydrate production in China. However, the evaluation of the hydrate deposits in the area as a potential energy resource has not been completed. Using numerical simulation and currently available data from site measurements, we preliminarily estimate the gas production potential of these hydrate reservoirs. The cumulative volume of the produced CH4 at the well in the early production period (0-10 years) is more than 50% of the total gas production from the well. The gas hydrate dissociation mainly occurs in the vicinity of the horizontal well and along a cylindrical interface. There is a ringlike structure of ice around the horizontal well during the gas production process. With the decrease of the gas production rate, the ice starts to melt from the bottom to the top under the influence of the geothermal gradient. The sensitivity analysis demonstrates the dependence of production on the intrinsic permeability and the initial deposit temperature. Economic assessment based on the cumulative volumetric gas production and the gas-to-water ratio indicates that it is not economically viable to produce gas from this hydrate deposit using single horizontal well by depressurization.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/ie201940t
WOS Subject ExtendedEngineering
WOS KeywordSTRATIGRAPHIC TEST WELL ; ALASKA NORTH SLOPE ; MACKENZIE DELTA ; MALLIK SITE ; CANADA ; ZONE
Indexed BySCI
Language英语
WOS SubjectEngineering, Chemical
WOS IDWOS:000301681000030
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10594
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Li, Xiao-Sen,Yang, Bo,Li, Gang,et al. Numerical Simulation of Gas Production from Natural Gas Hydrate Using a Single Horizontal Well by Depressurization in Qilian Mountain Permafrost[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2012,51(11):4424-4432.
APA Li, Xiao-Sen,Yang, Bo,Li, Gang,&Li, Bo.(2012).Numerical Simulation of Gas Production from Natural Gas Hydrate Using a Single Horizontal Well by Depressurization in Qilian Mountain Permafrost.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,51(11),4424-4432.
MLA Li, Xiao-Sen,et al."Numerical Simulation of Gas Production from Natural Gas Hydrate Using a Single Horizontal Well by Depressurization in Qilian Mountain Permafrost".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 51.11(2012):4424-4432.
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