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An exergy-based energy efficiency analysis on gas production from gas hydrates reservoir by brine stimulation combined depressurization method

文献类型：期刊论文

作者Wang, Xiao-Hui1,2,3; Chen, Yun1; Li, Xing-Xun1; Xu, Qiang1; Kan, Jing-Yu1; Sun, Chang-Yu1; Chen, Guang-Jin1
刊名ENERGY
出版日期2021-09-15
卷号231页码:8
ISSN号0360-5442
关键词Natural gas hydrates Production Energy efficiency Exergy analysis Brine stimulation combined depressurization
DOI10.1016/j.energy.2021.120960
通讯作者Wang, Xiao-Hui(xh.wang@cup.edu.cn) ; Chen, Guang-Jin(gjchen@cup.edu.cn)
英文摘要Before performing commercial scale production of natural gas hydrates (NGHs), it is inevitable to estimate the productivity, production period, optimal operation parameters, and further evaluate the technical and economic feasibilities of NGHs field production. The dissociation of gas hydrates is an endothermic process. This needs to compensate additional energy, such as chemical energy, geothermal energy and electricity, etc., in order to keep high dissociation rate. Exergy is a basic parameter that used for various energy systems as a potential tool for design, analysis and optimization. This work provided an exergy analysis method to evaluate the economic efficiency of NGHs exploitation process by brine stimulation combined depressurization method. The input data including cumulative volume of gas production, mass of water production and gas-to-water ratio was obtained by the numerical simulation of TOUGH & thorn; HYDRATE. Through the exergy analysis, the total productivity and production period could be determined. These have rarely been reported. The influences of operation parameters, such as well spacing, injection temperature and injection rate of brine on net exergy production were investigated for guiding the set of optimal operating conditions. Since the cost may be one of the biggest challenges for NGHs production, this work suggests making full use of all kinds low-level energy sources to improve energy efficiency, such as brine with high concentration produced by desalination, tidal energy, wind energy, etc. (c) 2021 Elsevier Ltd. All rights reserved.
WOS关键词PRODUCTION RESEARCH WELL ; STRATIGRAPHIC TEST WELL ; THERMAL-STIMULATION ; METHANE HYDRATE ; NORTHWEST-TERRITORIES ; DISSOCIATION ; SEDIMENTS ; RECOVERY ; MALLIK ; SIMULATION
资助项目Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences[Y807kj1001] ; National Natural Science Foundation of China[21908243] ; National Natural Science Foundation of China[U20B6005] ; National Natural Science Foundation of China[21636009] ; National Natural Science Foundation of China[21808238] ; National Natural Science Foundation of China[U19B2005] ; Science Foundation of China University of Petroleum, Beijing[2462018YJRC010]
WOS研究方向Thermodynamics ; Energy & Fuels
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000670307700001
资助机构Key Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences ; National Natural Science Foundation of China ; Science Foundation of China University of Petroleum, Beijing
源URL[http://ir.giec.ac.cn/handle/344007/33421]  
专题中国科学院广州能源研究所
通讯作者Wang, Xiao-Hui; Chen, Guang-Jin
作者单位1.China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
3.CNOOC, State Key Lab Nat Gas Hydrates, Beijing 100010, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Xiao-Hui,Chen, Yun,Li, Xing-Xun,et al. An exergy-based energy efficiency analysis on gas production from gas hydrates reservoir by brine stimulation combined depressurization method[J]. ENERGY,2021,231:8.
APA Wang, Xiao-Hui.,Chen, Yun.,Li, Xing-Xun.,Xu, Qiang.,Kan, Jing-Yu.,...&Chen, Guang-Jin.(2021).An exergy-based energy efficiency analysis on gas production from gas hydrates reservoir by brine stimulation combined depressurization method.ENERGY,231,8.
MLA Wang, Xiao-Hui,et al."An exergy-based energy efficiency analysis on gas production from gas hydrates reservoir by brine stimulation combined depressurization method".ENERGY 231(2021):8.

入库方式： OAI收割

来源：广州能源研究所

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