Investigation of Pore Structures in Shallow Longmaxi Shale, South China, via Large-Area Electron Imaging and Neutron Scattering Techniques
文献类型:期刊论文
作者 | Wang, Yu4,5; Jiang, Hanqiu3; Ke, Yubin3; Zhang, Shengkai3; Wang, Lihua2; Wang, Yanfei1; He, Chunyong3; Zhang, Linjuan4,5; Wang, Jian-Qang4,5 |
刊名 | ENERGY & FUELS
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出版日期 | 2020-07-16 |
卷号 | 34期号:7页码:7974-7984 |
ISSN号 | 0887-0624 |
DOI | 10.1021/acs.energyfuels.9b04538 |
英文摘要 | Pore structures are significant for evaluating shale gas production since they not only control gas capacity but also affect hydraulic fracturing. In this study, we investigated the pore structures of Longmaxi (LMX) shale samples from a shallow drill core in Guizhou Province, China, with large-area electron imaging and neutron scattering. Pores related to the mineral matrix and organic matter (OM) were identified, and the former had greater impacts on the pore shape and porosity, which would enhance fracturing. Large-area electron imaging analysis (with 15 nm resolution) indicated that the majority of LMX shale porosity was contributed by nanopores with diameters smaller than 400 nm. According to the neutron scattering data, micropores and mesopores dominated the pore size distribution (PSD), and pores within cross sections cut perpendicular to the bedding showed preferential orientation accompanied by larger porosity. The porosity (4.6-5.6%) calculated from neutron scattering data was approximately 2 times larger than that calculated from imaging data, suggesting that nanopores smaller than 15 nm contributed more to the porosity than those larger than 100 nm, as they were more resistant to compaction. This study indicated that pore types were controlled by minerals as well as thermal maturity, while PSDs were affected by tectonic movements. The majority of porosity originated from micropores and mesopores, which confirmed the great potential for shale gas reserves in the LMX shale. This conclusion is helpful for building a shale porosity model and eventually improving the reserve assessment. |
WOS关键词 | SICHUAN BASIN ; GAS-STORAGE ; BIB-SEM ; MORPHOLOGY ; MARINE ; POROSITY ; SCALE ; MICROSTRUCTURE ; MINERALOGY ; NETWORKS |
资助项目 | NSF[DMR-0520547] ; European Union's Horizon 2020 research and innovation program under the SINE2020 project[654000] ; National Natural Science Foundation of China[11805257] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA21000000] ; K. C. Wong Education Foundation[GJTD-2018-10] ; Youth Innovation Promotion Association, Chinese Academy of Sciences[2014237] ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences[IGGCAS-201903] ; Transformational Technologies for Clean Energy and Demonstration |
WOS研究方向 | Energy & Fuels ; Engineering |
语种 | 英语 |
WOS记录号 | WOS:000551544900013 |
出版者 | AMER CHEMICAL SOC |
资助机构 | NSF ; NSF ; European Union's Horizon 2020 research and innovation program under the SINE2020 project ; European Union's Horizon 2020 research and innovation program under the SINE2020 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; K. C. Wong Education Foundation ; K. C. Wong Education Foundation ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences ; Transformational Technologies for Clean Energy and Demonstration ; Transformational Technologies for Clean Energy and Demonstration ; NSF ; NSF ; European Union's Horizon 2020 research and innovation program under the SINE2020 project ; European Union's Horizon 2020 research and innovation program under the SINE2020 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; K. C. Wong Education Foundation ; K. C. Wong Education Foundation ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences ; Transformational Technologies for Clean Energy and Demonstration ; Transformational Technologies for Clean Energy and Demonstration ; NSF ; NSF ; European Union's Horizon 2020 research and innovation program under the SINE2020 project ; European Union's Horizon 2020 research and innovation program under the SINE2020 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; K. C. Wong Education Foundation ; K. C. Wong Education Foundation ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences ; Transformational Technologies for Clean Energy and Demonstration ; Transformational Technologies for Clean Energy and Demonstration ; NSF ; NSF ; European Union's Horizon 2020 research and innovation program under the SINE2020 project ; European Union's Horizon 2020 research and innovation program under the SINE2020 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; K. C. Wong Education Foundation ; K. C. Wong Education Foundation ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences ; Key Research Program of the Institute of Geology and Geophysics, Chinese Academy of Sciences ; Transformational Technologies for Clean Energy and Demonstration ; Transformational Technologies for Clean Energy and Demonstration |
源URL | [http://ir.iggcas.ac.cn/handle/132A11/97582] ![]() |
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 | Zhang, Linjuan |
作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China 3.Spallat Source Neutron Sci Ctr, Dongguan 523803, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, Yu,Jiang, Hanqiu,Ke, Yubin,et al. Investigation of Pore Structures in Shallow Longmaxi Shale, South China, via Large-Area Electron Imaging and Neutron Scattering Techniques[J]. ENERGY & FUELS,2020,34(7):7974-7984. |
APA | Wang, Yu.,Jiang, Hanqiu.,Ke, Yubin.,Zhang, Shengkai.,Wang, Lihua.,...&Wang, Jian-Qang.(2020).Investigation of Pore Structures in Shallow Longmaxi Shale, South China, via Large-Area Electron Imaging and Neutron Scattering Techniques.ENERGY & FUELS,34(7),7974-7984. |
MLA | Wang, Yu,et al."Investigation of Pore Structures in Shallow Longmaxi Shale, South China, via Large-Area Electron Imaging and Neutron Scattering Techniques".ENERGY & FUELS 34.7(2020):7974-7984. |
入库方式: OAI收割
来源:地质与地球物理研究所
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