Investigating microstructure of Longmaxi shale in Shizhu area, Sichuan Basin, by optical microscopy, scanning electron microscopy and micro-computed tomography
Wang, Y; Wang, LH; Wang, JQ; Jiang, Z; Jin, C; Wang, YF
2017
发表期刊NUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
卷号28期号:11页码:-
文章类型期刊论文
摘要Microstructure of shale formation is the key to understanding its petrophysical and chemical properties. Optical microscopy, scanning electron microscopy and micro-computed tomography (mu-CT) have been combined for characterization of microstructure of Longmaxi (LMX) shale from Shizhu area, Sichan Basin. The results indicate that laminated LMX shale consists of mineral matrix-rich layers and organic matter (OM)-rich layers at micrometer scale in two and three dimensions. Mineral matrix layers, mainly consisting of interparticle pores and intraplatelet pores, are approximately parallel to the bedding plane. Pyrite-rich layer, mainly containing intercrystalline pores, shows a strong preferred orientation parallel to the bedding plane. OM-rich layer, mainly containing OM pores, seems to be discontinuous. In addition, intercrystalline pores are enriched in some layers, while OM pores are distributed irregularly in matrix layers. This vertical heterogeneity of pore microscopic structures in LMX shale is of great importance to understand its petrophysical and chemical properties.
关键词Pore Structure Yanchang Formation Gas-reservoir Ordos Basin China Heterogeneity Morphology Mudstones Discovery Networks
DOI10.1007/s41365-017-0317-5
关键词[WOS]PORE STRUCTURE ; YANCHANG FORMATION ; GAS-RESERVOIR ; ORDOS BASIN ; CHINA ; HETEROGENEITY ; MORPHOLOGY ; MUDSTONES ; DISCOVERY ; NETWORKS
收录类别SCI
语种英语
WOS记录号WOS:000417222800010
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28708
专题中科院上海应用物理研究所2011-2018年
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Wang, Y,Wang, LH,Wang, JQ,et al. Investigating microstructure of Longmaxi shale in Shizhu area, Sichuan Basin, by optical microscopy, scanning electron microscopy and micro-computed tomography[J]. NUCLEAR SCIENCE AND TECHNIQUES,2017,28(11):-.
APA Wang, Y,Wang, LH,Wang, JQ,Jiang, Z,Jin, C,&Wang, YF.(2017).Investigating microstructure of Longmaxi shale in Shizhu area, Sichuan Basin, by optical microscopy, scanning electron microscopy and micro-computed tomography.NUCLEAR SCIENCE AND TECHNIQUES,28(11),-.
MLA Wang, Y,et al."Investigating microstructure of Longmaxi shale in Shizhu area, Sichuan Basin, by optical microscopy, scanning electron microscopy and micro-computed tomography".NUCLEAR SCIENCE AND TECHNIQUES 28.11(2017):-.
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