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  4. 深部资源勘探装备研发
Shale gas exploration potential and reservoir conditions of the Longmaxi Formation in the Changning area, Sichuan Basin, SW China: Evidence from mud gas isotope logging

文献类型：期刊论文

作者Shi, Xuewen1,2; Kang, Shujuan7; Luo, Chao1,2; Wu, Wei2; Zhao, Shengxian2; Zhu, Di6; Zhang, Huanxu6; Yang, Yang5; Xiao, Zhenglu3,4; Li, Yong
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2022-08-01
卷号233页码:10
ISSN号1367-9120
关键词Mud gas isotope logging Isotope fractionation Shale gas Longmaxi Formation Sichuan Basin
DOI10.1016/j.jseaes.2022.105239
英文摘要The Longmaxi Formation in the Sichuan Basin is one of the most important shale gas producing formations in China. Previous studies of shale gas were mostly carried out on based on laboratory analyses and did not provide effective guidelines for shale gas exploration. In this paper, we present a large amount of carbon isotopic data from mud gas isotope logging and rock-cutting headspace gas in wellsites. The 813C1 values showed a significant decrease at the bottom of the Longmaxi Formation. The 813C1 and 813C2 values in the Changning area were observed to be heavier than those in the Weiyuan and Jiaoshiba areas. The second half of the N216H27-3 horizontal well had obvious outgassing and carbon isotope fractionation effects. This indicates that the bottom of the Longmaxi Formation has better shale gas exploration potential. The shale gas of the Longmaxi Formation in the Changning area belongs to late kerogen cracking gas, where exploration prospects are poorer than those in the Weiyuan and Jiaoshiba areas. There were more oil cracking gas resources and better reservoir conditions at the end of the N216H27-3 horizontal well; therefore, drilling should be continued at this site.
WOS关键词NATURAL-GAS ; REVERSALS ; ORIGIN ; ENRICHMENT ; FIELD ; GEOCHEMISTRY ; FACIES ; TRENDS ; CARBON
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDA14050201]
WOS研究方向Geology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000802127500002
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/106068]  
专题地质与地球物理研究所_深部资源勘探装备研发
通讯作者Xiao, Zhenglu
作者单位1.Key Lab Shale Gas Evalut & Exploitat Sichuan Prov, Chengdu 610051, Peoples R China
2.Southwest Oil & Gas Field Co, Shale Gas Res Inst Petrochina, Chengdu 610051, Peoples R China
3.8 Xindu Rd,Xindu Dist, Chengdu 610000, Peoples R China
4.Southwest Petr Univ, Sch Geosci Technol, 8 Xindu Rd,Xindu Dist, Chengdu 610000, Peoples R China
5.Sichuan Changning Nat Gas Dev Co Ltd, Chengdu 610000, Peoples R China
6.Grand Energy & Technol Co Ltd, Suzhou 215000, Peoples R China
7.Chinese Acad Sci, Inst Geol & Geophys, CAS Engn Lab Deep Resources Equipment & Technol, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Shi, Xuewen,Kang, Shujuan,Luo, Chao,et al. Shale gas exploration potential and reservoir conditions of the Longmaxi Formation in the Changning area, Sichuan Basin, SW China: Evidence from mud gas isotope logging[J]. JOURNAL OF ASIAN EARTH SCIENCES,2022,233:10.
APA Shi, Xuewen.,Kang, Shujuan.,Luo, Chao.,Wu, Wei.,Zhao, Shengxian.,...&Li, Yong.(2022).Shale gas exploration potential and reservoir conditions of the Longmaxi Formation in the Changning area, Sichuan Basin, SW China: Evidence from mud gas isotope logging.JOURNAL OF ASIAN EARTH SCIENCES,233,10.
MLA Shi, Xuewen,et al."Shale gas exploration potential and reservoir conditions of the Longmaxi Formation in the Changning area, Sichuan Basin, SW China: Evidence from mud gas isotope logging".JOURNAL OF ASIAN EARTH SCIENCES 233(2022):10.

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来源：地质与地球物理研究所

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