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The use of heat-assisted antigravity drainage method in the two horizontal wells in gas production from the Qilian Mountain permafrost hydrate deposits
Li, Bo1,2,3; Li, Gang1,2; Li, Xiao-Sen1,2; Chen, Zhao-Yang1,2; Zhang, Yu1,2
2014-08-01
发表期刊JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
卷号120页码:141-153
摘要The occurrence of gas hydrate deposits in the Qinghai-Tibet plateau permafrost (QTPP) were confirmed during the Scientific Drilling Project of Gas Hydrate in Qilian Mountain permafrost (QMP) in 2008-2009. A total of four test wells were completed, and gas hydrate samples were obtained from the drilling wells of DK-1, DK-2, and DK-3. The objective of this study is the analysis of gas production potential from gas hydrate-bearing zone of DK-2 using dual horizontal wells based on its geological properties at this site. In this paper, production strategies of permafrost hydrate deposits with the novel Heat-Assisted Antigravity Drainage (HAAD) method are investigated numerically. Gas production is induced in a two-well system and its influence factors are evaluated. When suitable heat injection rate and depressurization driving force are applied to the lower well and the upper well, respectively, favorable gas-to-water ratio and energy ratio can be obtained during the whole HAAD process. However, the absolute gas production rate may not be economically attractive for the production method we have employed. The sensitivity analysis indicates that the hydrate deposits with higher intrinsic permeability and larger rock porosity will show better perspective for hydrate exploitation. (C) 2014 Elsevier B.V. All rights reserved.
文章类型Article
关键词Gas Hydrate Haad Horizontal Well Qilian Mountain Permafrost
WOS标题词Science & Technology ; Technology
DOI10.1016/j.petrol.2014.06.003
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]QINGHAI-TIBET PLATEAU ; ALASKA NORTH SLOPE ; METHANE HYDRATE ; NUMERICAL-SIMULATION ; POROUS-MEDIA ; NATURAL-GAS ; VERTICAL WELL ; PUFF METHOD ; DEPRESSURIZATION ; HUFF
收录类别SCI
语种英语
WOS类目Energy & Fuels ; Engineering, Petroleum
WOS记录号WOS:000341553500015
引用统计
被引频次:10[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/344007/10726
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100083, Peoples R China
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Li, Bo,Li, Gang,Li, Xiao-Sen,et al. The use of heat-assisted antigravity drainage method in the two horizontal wells in gas production from the Qilian Mountain permafrost hydrate deposits[J]. JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING,2014,120:141-153.
APA Li, Bo,Li, Gang,Li, Xiao-Sen,Chen, Zhao-Yang,&Zhang, Yu.(2014).The use of heat-assisted antigravity drainage method in the two horizontal wells in gas production from the Qilian Mountain permafrost hydrate deposits.JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING,120,141-153.
MLA Li, Bo,et al."The use of heat-assisted antigravity drainage method in the two horizontal wells in gas production from the Qilian Mountain permafrost hydrate deposits".JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 120(2014):141-153.
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