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A world-class source rock in southern China formed during the periods from Katian to Rhuddanian: Biostratigraphic distribution, depositional model and shale gas potential

文献类型：期刊论文

作者Nie, Haikuan6,7,8; Li, Pei6,7,8; Chen, Qing4,5; Jin, Zhijun3,6; Liu, Quanyou3; Dang, Wei2; Chen, Qian6; Ding, Jianghui1; Zhai, Changbo6,7,8
刊名GONDWANA RESEARCH
出版日期2024-02-01
卷号126页码:267-288
ISSN号1342-937X
关键词Organic-rich shale Graptolite biozone Shale gas Longmaxi Formation Lower Silurian Sichuan Basin
DOI10.1016/j.gr.2023.10.007
通讯作者Jin, Zhijun(jinzj1957@pku.edu.cn)
英文摘要Typical outcrops and shale gas wells from the upper Ordovician (Katian and Hirnantian) Wufeng Formation to the lower Silurian (Rhuddanian) Longmaxi Formation in the Sichuan Basin of southern China were selected to investigate the shale quality and shale gas potential. The chronostratigraphy was studied based on the graptolite biozones and well logging. The sedimentary environment, depositional facies, biostratigraphic distribution, depositional model and lithological characteristics were characterized. Organic-rich shale primarily developed in the late Katian to the early-middle Rhuddanian. Two organic-rich shale depocentres were identified in the southern and eastern-north-eastern Sichuan Basin. The spatial distribution of organic-rich shale of different graptolite biozones was determined and showed gradual migration northwest. The depocentre of the Dicellograptus complexus Biozone to the Cystograptus vesiculosus Biozone was controlled by paleo-uplift and a submarine high. The black shale typically lacks some graptolite biozones, and even if it is fully developed, the thickness of organic-rich shale is thin and has a poor shale gas source potential. The control effect of the graptolite biozone on shale-gasenrichment helps to evaluate the shale-gas-enriched and productive intervals accurately. This study characterises the organic-rich shale distribution in the Sichuan Basin and helps in assessing organicrich shale and identifying sweet spots of shale gas potential. (c) 2023 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.
WOS关键词SILURIAN LONGMAXI FORMATION ; ORDOVICIAN WUFENG FORMATION ; SICHUAN BASIN ; YANGTZE REGION ; DISTRIBUTION PATTERN ; NORTH-AFRICA ; RICH SHALES ; HOT SHALES ; EXPLORATION ; GRAPTOLITE
资助项目National Natural Science Foundation of China[42130803] ; National Natural Science Foundation of China[42202175] ; National Natural Science Foundation of China[41872124]
WOS研究方向Geology
语种英语
出版者ELSEVIER
WOS记录号WOS:001098928700001
资助机构National Natural Science Foundation of China
源URL[http://ir.nigpas.ac.cn/handle/332004/43108]  
专题中国科学院南京地质古生物研究所
通讯作者Jin, Zhijun
作者单位1.CNPC Engn Technol Res & Dev Co Ltd, Beijing 102206, Peoples R China
2.Xian Shiyou Univ, Sch Earth Sci & Engn, Xian 710065, Peoples R China
3.Peking Univ, Inst Energy, Beijing 100871, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
5.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
6.SINOPEC, Petr Explorat & Prod Res Inst, Beijing 102206, Peoples R China
7.SINOPEC, Sinopec Key Lab Shale Oil & Gas Explorat & Prod, Beijing 102206, Peoples R China
8.State Key Lab Shale Oil & Gas Enrichment Mech & Ef, Beijing 102206, Peoples R China
推荐引用方式
GB/T 7714		 Nie, Haikuan,Li, Pei,Chen, Qing,et al. A world-class source rock in southern China formed during the periods from Katian to Rhuddanian: Biostratigraphic distribution, depositional model and shale gas potential[J]. GONDWANA RESEARCH,2024,126:267-288.
APA Nie, Haikuan.,Li, Pei.,Chen, Qing.,Jin, Zhijun.,Liu, Quanyou.,...&Zhai, Changbo.(2024).A world-class source rock in southern China formed during the periods from Katian to Rhuddanian: Biostratigraphic distribution, depositional model and shale gas potential.GONDWANA RESEARCH,126,267-288.
MLA Nie, Haikuan,et al."A world-class source rock in southern China formed during the periods from Katian to Rhuddanian: Biostratigraphic distribution, depositional model and shale gas potential".GONDWANA RESEARCH 126(2024):267-288.

入库方式： OAI收割

来源：南京地质古生物研究所

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