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Study on the distribution of extractable organic matter in pores of lacustrine shale: An example of Zhangjiatan Shale from the Upper Triassic Yanchang Formation, Ordos Basin, China

文献类型：期刊论文

作者Yu, Yuxi1,2; Luo, Xiaorong3; Cheng, Ming3; Lei, Yuhong3; Wang, Xiangzeng4,5; Zhang, Lixia4,5; Jiang, Chengfu4,5; Zhang, Likuan3
刊名INTERPRETATION-A JOURNAL OF SUBSURFACE CHARACTERIZATION
出版日期2017-05-01
卷号5期号:2页码:SF109-SF126
ISSN号2324-8858
DOI10.1190/INT-2016-0124.1
文献子类Article
英文摘要Shale oil and gas have been discovered in the lacustrine Zhangjiatan Shale in the southern Ordos Basin, China. To study the distribution of extractable organic matter (EOM) in the Zhangjiatan Shale (R-o ranges from 1.25% to 1.28%), geochemical characterization of core samples of different lithologies, scanning electron microscope observations, low-pressure N-2 and CO2 adsorption, and helium pycnometry were conducted. The content and saturation of the EOM in the pores were quantitatively characterized. The results show that the distribution of the EOM in the shale interval is heterogeneous. In general, the shale layers have a higher EOM content and saturation than siltstone layers. The total organic content and the original storage capacity control the EOM content in the shale layers. For the siltstone layers, the EOM content is mainly determined by the original storage capacity. On average, 75% of the EOM occurs in the mesopores, followed by 14% in the macropores, and 11% in the micropores. The EOM saturation in the pores decreases with the increase in pore diameter. The distribution of EOM in the shale pores is closely related to the pore type. Micropores and mesopores developed in the kerogens and pyrobitumens and the clay-mineral pores coated with organic matter are most favorable for EOM retention and charging.
WOS关键词GAS-ADSORPTION CAPACITY ; PETROLEUM EXPULSION ; METHANE SORPTION ; THERMAL MATURITY ; BARNETT SHALE ; NW CHINA ; OIL ; POROSITY ; RICH ; STORAGE
WOS研究方向Geochemistry & Geophysics
语种英语
WOS记录号WOS:000404347700021
出版者SOC EXPLORATION GEOPHYSICISTS
资助机构Chinese National Natural Science Foundation(41102078) ; Chinese National Major Fundamental Research Developing Project(2011ZX05008-004) ; Shanxi Yanchang Petroleum (Group) Corp. Ltd., Xi'an, China ; Chinese National Natural Science Foundation(41102078) ; Chinese National Major Fundamental Research Developing Project(2011ZX05008-004) ; Shanxi Yanchang Petroleum (Group) Corp. Ltd., Xi'an, China ; Chinese National Natural Science Foundation(41102078) ; Chinese National Major Fundamental Research Developing Project(2011ZX05008-004) ; Shanxi Yanchang Petroleum (Group) Corp. Ltd., Xi'an, China ; Chinese National Natural Science Foundation(41102078) ; Chinese National Major Fundamental Research Developing Project(2011ZX05008-004) ; Shanxi Yanchang Petroleum (Group) Corp. Ltd., Xi'an, China
源URL[http://ir.iggcas.ac.cn/handle/132A11/49278]  
专题地质与地球物理研究所_中国科学院油气资源研究重点实验室
通讯作者Yu, Yuxi
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Key Lab Petr Resources Res, Inst Geol & Geophys, Beijing, Peoples R China
4.Shaanxi Yanchang Petr Grp Co Ltd, Xian, Peoples R China
5.China Petr & Chem Ind, Engn Res Ctr Lacustrine Shale Gas, Xian, Peoples R China
推荐引用方式
GB/T 7714		 Yu, Yuxi,Luo, Xiaorong,Cheng, Ming,et al. Study on the distribution of extractable organic matter in pores of lacustrine shale: An example of Zhangjiatan Shale from the Upper Triassic Yanchang Formation, Ordos Basin, China[J]. INTERPRETATION-A JOURNAL OF SUBSURFACE CHARACTERIZATION,2017,5(2):SF109-SF126.
APA Yu, Yuxi.,Luo, Xiaorong.,Cheng, Ming.,Lei, Yuhong.,Wang, Xiangzeng.,...&Zhang, Likuan.(2017).Study on the distribution of extractable organic matter in pores of lacustrine shale: An example of Zhangjiatan Shale from the Upper Triassic Yanchang Formation, Ordos Basin, China.INTERPRETATION-A JOURNAL OF SUBSURFACE CHARACTERIZATION,5(2),SF109-SF126.
MLA Yu, Yuxi,et al."Study on the distribution of extractable organic matter in pores of lacustrine shale: An example of Zhangjiatan Shale from the Upper Triassic Yanchang Formation, Ordos Basin, China".INTERPRETATION-A JOURNAL OF SUBSURFACE CHARACTERIZATION 5.2(2017):SF109-SF126.

入库方式： OAI收割

来源：地质与地球物理研究所

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