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Numerical simulation on gas production from inclined layered methane hydrate reservoirs in the Nankai Trough: A case study

文献类型：期刊论文

作者Mao, Peixiao2,3,4,5; Sun, Jiaxin3; Ning, Fulong3,4; Chen, Lin1; Wan, Yizhao4,5; Hu, Gaowei4,5; Wu, Nengyou4,5
刊名ENERGY REPORTS
出版日期2021-11-01
卷号7页码:8608-8623
关键词Gas hydrate Inclined layered hydrate reservoir Horizontal well Depressurization combined with thermal stimulation Numerical simulation
ISSN号2352-4847
DOI10.1016/j.egyr.2021.03.032
通讯作者Ning, Fulong(nflzx@cug.edu.cn) ; Wu, Nengyou(wuny@ms.giec.ac.cn)
英文摘要Natural gas hydrate is generally disseminated in tilted sediments. The inclination of hydrate reservoirs significantly affects the fluid migration behaviour and production potential. However, most of the current simulations ideally assume that the hydrate reservoir is horizontally distributed; resulting in the effect of the formation dip on the well deployment and corresponding gas production remains unclear. Here, we implement a real inclined alternating sand-clay hydrate reservoir model based on geological data from the Nankai Trough, Japan, to simulate the production performance of a single horizontal well and dual horizontal wells. Results show that the gas and water productions are enhanced when a single horizontal production well is deployed in the structural low of the reservoir. The gas and water production performance in upper sandy reservoir and the water extraction in the middle muddy reservoir are sensitive to the layout of the production wells, which can cause the daily difference is over 6%. The gas-to-water ratio is independent from the structural deployment positions of the horizontal wells in the same inclined layer. Compared to the single depressurization method, placing a horizontal thermal injection well in the structural high of the upper inclined sandy reservoir and a horizontal production well in the structural low of the same formation improves the gas recovery efficiency nearly twice, which is recommended for production enhancement. Our findings are useful for achieving effective and economic gas recovery from natural inclined layered hydrate reservoirs. (C) 2021 The Authors. Published by Elsevier Ltd.
WOS关键词SOUTH CHINA SEA ; BEARING SEDIMENTS ; SHENHU AREA ; DEPRESSURIZATION ; STABILITY ; RECOVERY ; DISSOCIATION ; STIMULATION ; RESPONSES ; SYSTEM
资助项目National Natural Science Foun-dation of China[42076217] ; National Natural Science Foun-dation of China[51904280] ; National Key R&D Pro-gram of China[2017YFC0307600] ; Key Laboratory of Gas Hy-drate, Guangzhou Institute of Energy Conversion, China, Chinese Academy of Sciences[E029kf1301] ; Qingdao National Laboratory for Marine Science and Technology Open Fund, China[QNLM2016ORP0203] ; Qingdao National Laboratory for Marine Science and Technology Open Fund, China[QNLM2016ORP0207] ; Taishan Scholar Special Experts Project, China[ts201712079] ; China Geo-logical Survey Project[DD20190221] ; China Geo-logical Survey Project[DD20190231]
WOS研究方向Energy & Fuels
语种英语
WOS记录号WOS:000727727700003
出版者ELSEVIER
资助机构National Natural Science Foun-dation of China ; National Key R&D Pro-gram of China ; Key Laboratory of Gas Hy-drate, Guangzhou Institute of Energy Conversion, China, Chinese Academy of Sciences ; Qingdao National Laboratory for Marine Science and Technology Open Fund, China ; Taishan Scholar Special Experts Project, China ; China Geo-logical Survey Project
源URL[http://ir.giec.ac.cn/handle/344007/35382]  
专题中国科学院广州能源研究所
通讯作者Ning, Fulong; Wu, Nengyou
作者单位1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
3.China Univ Geosci Wuhan, Fac Engn, Wuhan 430074, Peoples R China
4.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Mineral Resources, Qingdao 266071, Peoples R China
5.Qingdao Inst Marine Geol, Minist Nat Resources, Key Lab Gas Hydrate, Qingdao 266071, Peoples R China
推荐引用方式
GB/T 7714		 Mao, Peixiao,Sun, Jiaxin,Ning, Fulong,et al. Numerical simulation on gas production from inclined layered methane hydrate reservoirs in the Nankai Trough: A case study[J]. ENERGY REPORTS,2021,7:8608-8623.
APA Mao, Peixiao.,Sun, Jiaxin.,Ning, Fulong.,Chen, Lin.,Wan, Yizhao.,...&Wu, Nengyou.(2021).Numerical simulation on gas production from inclined layered methane hydrate reservoirs in the Nankai Trough: A case study.ENERGY REPORTS,7,8608-8623.
MLA Mao, Peixiao,et al."Numerical simulation on gas production from inclined layered methane hydrate reservoirs in the Nankai Trough: A case study".ENERGY REPORTS 7(2021):8608-8623.

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来源：广州能源研究所

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