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Effect of lithological rhythm of a confined hydrate reservoir on gas production performance using water flooding in five-spot vertical well system
Jin, Guangrong1; Liu, Jie1; Liu, Lihua1; Zhai, Haizhen1; Wu, Daidai1; Su, Jie2,3; Xu, Tianfu2
2021-08-01
发表期刊JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
ISSN1875-5100
卷号92页码:21
通讯作者Liu, Lihua(liulh@ms.giec.ac.cn)
摘要The lithological features of sediments control the heterogeneity in permeability. This study numerically investigates the effect of lithological rhythm of a confined hydrate reservoir on gas production for warm water injection scenarios. The investigated lithological rhythm structures range from simple rhythms to complex composite rhythms. The depressurization in multiple wells causes significant gas production. However, the decrease in pressure gradient constrained the production of gas and water. The warm water injection enhances the production of gas and water with various lag times, though it results in a low energy efficiency. The positive and reverse rhythms have similar energy efficiencies. The gas and water production rate slightly decrease with the increase in the permeability contrast. The maximum gas production rate increases with the increase in number of composite rhythmic layers. However, the water production changes only slightly. The rhythm structures significantly affect the gas and water production rates. A high permeability region in the bottom part of the reservoir is conducive to warm water breakthrough. However, it is unfavorable for the dissociation of remnant hydrate in low permeability regions. Moreover, the results show that the rhythm structures also affect the gas productivity of each rhythmic layer. The results presented in this study help us understand the effect of complex and real rhythm structures on the gas production performance and the dynamic evolution of hydrate dissociation zone.
关键词Natural gas hydrate Lithological rhythm Rhythm structure Depressurization Warm water injection Water flooding
DOI10.1016/j.jngse.2021.104019
关键词[WOS]METHANE HYDRATE ; BEARING SEDIMENT ; NANKAI TROUGH ; SHENHU AREA ; OFFSHORE PRODUCTION ; DEPRESSURIZATION ; RESPONSES ; RECOVERY ; SITE
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41776071] ; Guangdong MEPP Fund[GDOE[2019]A41] ; Key Program of Marine Economy Development (Six Marine Industries) Special Foundation of Department of Natural Resources of Guangdong Province[GDNRC [2020] 043] ; Key Program of Marine Economy Development (Six Marine Industries) Special Foundation of Department of Natural Resources of Guangdong Province[GDNRC [2020] 047] ; PetroChina Innovation Foundation[2020D-5007-0212] ; Guangdong Basic and Applied Basic Research Foundation[2020A1515110244] ; Foundation of CAS Key Laboratory of Gas Hydrate[E0290207]
WOS研究方向Energy & Fuels ; Engineering
项目资助者National Natural Science Foundation of China ; Guangdong MEPP Fund ; Key Program of Marine Economy Development (Six Marine Industries) Special Foundation of Department of Natural Resources of Guangdong Province ; PetroChina Innovation Foundation ; Guangdong Basic and Applied Basic Research Foundation ; Foundation of CAS Key Laboratory of Gas Hydrate
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000659182700001
出版者ELSEVIER SCI LTD
引用统计
被引频次:6[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/344007/33335
专题中国科学院广州能源研究所
通讯作者Liu, Lihua
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
2.Jilin Univ, Minist Educ, Key Lab Groundwater Resources & Environm, Changchun 130021, Peoples R China
3.7th Inst Geol & Mineral Explorat Shandong Prov, Linyi 276000, Shandong, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Jin, Guangrong,Liu, Jie,Liu, Lihua,et al. Effect of lithological rhythm of a confined hydrate reservoir on gas production performance using water flooding in five-spot vertical well system[J]. JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,2021,92:21.
APA Jin, Guangrong.,Liu, Jie.,Liu, Lihua.,Zhai, Haizhen.,Wu, Daidai.,...&Xu, Tianfu.(2021).Effect of lithological rhythm of a confined hydrate reservoir on gas production performance using water flooding in five-spot vertical well system.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,92,21.
MLA Jin, Guangrong,et al."Effect of lithological rhythm of a confined hydrate reservoir on gas production performance using water flooding in five-spot vertical well system".JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 92(2021):21.
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