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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
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume28Issue:11Pages:-
Subtype期刊论文
AbstractMicrostructure 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.
KeywordPore Structure Yanchang Formation Gas-reservoir Ordos Basin China Heterogeneity Morphology Mudstones Discovery Networks
DOI10.1007/s41365-017-0317-5
WOS KeywordPORE STRUCTURE ; YANCHANG FORMATION ; GAS-RESERVOIR ; ORDOS BASIN ; CHINA ; HETEROGENEITY ; MORPHOLOGY ; MUDSTONES ; DISCOVERY ; NETWORKS
Indexed BySCI
Language英语
WOS IDWOS:000417222800010
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28708
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
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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