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  2. 地质与地球物理研究所
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  4. 中国科学院页岩气与地质工程重点实验室
Shallow burial shale gas accumulation pattern of the Wufeng-Longmaxi Formations in the northern Guizhou area, western Yangtze platform

文献类型：期刊论文

作者Li, Guanfang1,4; Jin, Zhijun2,3; Li, Xiao1,4; Zhang, Pengyuan1,4; Liang, Xinping3; Zhang, Rui3; Li, Changrong3; Wang, Duo1,4; Hu, Yanzhi1,4
刊名GEOENERGY SCIENCE AND ENGINEERING
出版日期2023-06-01
卷号225页码:17
ISSN号2949-8929
关键词Shallow-burial shale Shale gas accumulation Wufeng-Longmaxi formation Organic matter Pore development
DOI10.1016/j.geoen.2023.211683
英文摘要Although continuous breakthroughs of economic shale gas exploitation have been made globally within the middle-deep buried depth (similar to 1500-3500 m), the shallow-buried (less than 1500 m) shales are also widely distributed, showing excellent exploration prospects. However, the shale gas accumulation (SGA) pattern of the shallow burial shale remains unknown, limiting future shale gas exploration. To investigate the SGA pattern and the exploration potential of shale gas in shallow-buried shales, experiments such as X-Ray Diffractometer, N-2 and CO2 adsorption, Focused Ion Beam Scanning Electron Microscopy (FIB-SEM), total organic carbon (TOC) content, gas chromatography-mass spectrometry, and field gas content test were carried out based on three wells penetrated the Wufeng-Longmaxi Formation with the buried depths of less than 700 m in the Northern Guizhou area, western Yangtze Platform. The geochemical and mineral records indicate that the organic matter is enriched as a result of global climate and regional tectonic activity, indicating the sufficient gas generation potential. The results of low pressure N-2 and CO2 adsorption, as well as images of the FIB-SEM show that the mesopores are controlled by the organic matter, and the micropores, which are associated with minerals (primarily clays), can provide much more specific surface area and pore space in shallow-buried shales. Furthermore, carbonates with low porosity and permeability from the Songkan, Jiancaogou and Baota Formations, and the shale interval with low TOC values, weak brittleness, and low porosity, can serve as good roofs and floors for the SGA. Despite the fact that multi-stage tectonic movements resulted in the formation of faults and fractures, the good preservation, adequate gas storage space, and sufficient hydrocarbon generation potential contribute to the SGA in the shallow-buried shale.
WOS关键词EASTERN SICHUAN BASIN ; CHINA IMPLICATIONS ; PORE TYPES ; THERMAL MATURITY ; ORGANIC-MATTER ; CLAY-MINERALS ; BARNETT SHALE ; MARINE SHALE ; POROSITY ; ORDOVICIAN
资助项目National Natural Science Foundation of China[42102323] ; National Natural Science Foundation of China[42090023] ; National Key Ramp;D Program of China[2020YFA0710500] ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation[P2049-1] ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences[KLSG201708]
WOS研究方向Energy & Fuels ; Engineering
语种英语
出版者ELSEVIER
WOS记录号WOS:001044078600001
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; National Key Ramp;D Program of China ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Project of Science and Technology Department of China Petroleum amp; Chemical Corporation ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas, and Geoengineering of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/111365]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者Jin, Zhijun
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
2.State Key Lab Shale Oil & Gas Enrichment Mech & Ef, Beijing 100083, Peoples R China
3.Peking Univ, Inst Energy, Sch Earth & Space Sci, Beijing 100871, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Li, Guanfang,Jin, Zhijun,Li, Xiao,et al. Shallow burial shale gas accumulation pattern of the Wufeng-Longmaxi Formations in the northern Guizhou area, western Yangtze platform[J]. GEOENERGY SCIENCE AND ENGINEERING,2023,225:17.
APA Li, Guanfang.,Jin, Zhijun.,Li, Xiao.,Zhang, Pengyuan.,Liang, Xinping.,...&Hu, Yanzhi.(2023).Shallow burial shale gas accumulation pattern of the Wufeng-Longmaxi Formations in the northern Guizhou area, western Yangtze platform.GEOENERGY SCIENCE AND ENGINEERING,225,17.
MLA Li, Guanfang,et al."Shallow burial shale gas accumulation pattern of the Wufeng-Longmaxi Formations in the northern Guizhou area, western Yangtze platform".GEOENERGY SCIENCE AND ENGINEERING 225(2023):17.

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来源：地质与地球物理研究所

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