Investigating microstructure of Longmaxi shale in Shizhu area, Sichuan Basin, by optical microscopy, scanning electron microscopy and micro-computed tomography

doi:10.1007/s41365-017-0317-5

CAS OpenIR > 中科院上海应用物理研究所2011-2019年

	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 Publication	NUCLEAR SCIENCE AND TECHNIQUES
ISSN	1001-8042
Volume	28 Issue:11 Pages:-
Subtype	期刊论文
Abstract	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.
Keyword	Pore Structure Yanchang Formation Gas-reservoir Ordos Basin China Heterogeneity Morphology Mudstones Discovery Networks
DOI	10.1007/s41365-017-0317-5
Indexed By	SCI
WOS Keyword	PORE STRUCTURE ; YANCHANG FORMATION ; GAS-RESERVOIR ; ORDOS BASIN ; CHINA ; HETEROGENEITY ; MORPHOLOGY ; MUDSTONES ; DISCOVERY ; NETWORKS
Language	英语
WOS ID	WOS:000417222800010
Citation statistics	Cited Times:5[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.sinap.ac.cn/handle/331007/28708
Collection	中科院上海应用物理研究所2011-2019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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