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Geometric Heterogeneity of Continental Shale in the Yanchang Formation, Southern Ordos Basin, China

文献类型：期刊论文

作者Li, Lihui1,2; Huang, Beixiu1,2; Tan, Yufang1,2; Deng, Xiaolong1,2; Li, Yanyan1,2; Zheng, Hu3
刊名SCIENTIFIC REPORTS
出版日期2017-07-20
卷号7
ISSN号2045-2322
DOI10.1038/s41598-017-05144-z
文献子类Article
英文摘要Favorable prospects for the exploration of shale gas have been demonstrated in the Ordos Basin, China. Outcrop and core observations indicate that there are abundant laminas in the shale strata, which exert a great influence on hydro-fracture propagation, gas storage and fluid flow. In this study, the continental shale of the Chang 72 Member, collected from the south of Ordos Basin, was investigated to characterize the geometric heterogeneity. Laminas at multiple scales were observed and measured using conventional logging, borehole TV, core analysis, scanning electron microscopy, and the Particle and Crack Analysis System. These measurement tools correspond to the meter scale, decimeter scale, centimeter scale, millimeter scale and ten-micrometer scale, respectively, with measured thicknesses of 2.26 m, 2.09 dm, 1.70 cm, 1.48 mm and 11.70 mu m, respectively. Fractal theory was used to analyze the power exponent distribution of the lamina thickness, with a resulting fractal dimension of 1.06. Finally, a geometric heterogeneity model was proposed for the Upper Triassic Yanchang Formation in the study area and verified by a modeled thickness of 26.30 m for the Chang 72 Member at the 10-m scale. The model facilitates cross-scale analysis and provides parameter guidance for heterogeneity characterization in the numerical simulation and model test of the shale gas reservoir.
WOS关键词MISSISSIPPIAN BARNETT SHALE ; GREEN RIVER FORMATION ; NORTH-CENTRAL TEXAS ; NUMERICAL-ANALYSIS ; GAS SYSTEMS ; PORE TYPES ; OIL-SHALE ; NETWORKS ; WOODFORD ; ROCKS
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000405907800060
出版者NATURE PUBLISHING GROUP
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences(XDB10030101) ; National Natural Science Foundation of China(41641025 ; 41372322) ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB10030101) ; National Natural Science Foundation of China(41641025 ; 41372322) ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB10030101) ; National Natural Science Foundation of China(41641025 ; 41372322) ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB10030101) ; National Natural Science Foundation of China(41641025 ; 41372322)
源URL[http://ir.iggcas.ac.cn/handle/132A11/61836]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者Li, Lihui
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China
3.Hohai Univ, Sch Earth Sci & Engn, Nanjing 211100, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714		 Li, Lihui,Huang, Beixiu,Tan, Yufang,et al. Geometric Heterogeneity of Continental Shale in the Yanchang Formation, Southern Ordos Basin, China[J]. SCIENTIFIC REPORTS,2017,7.
APA Li, Lihui,Huang, Beixiu,Tan, Yufang,Deng, Xiaolong,Li, Yanyan,&Zheng, Hu.(2017).Geometric Heterogeneity of Continental Shale in the Yanchang Formation, Southern Ordos Basin, China.SCIENTIFIC REPORTS,7.
MLA Li, Lihui,et al."Geometric Heterogeneity of Continental Shale in the Yanchang Formation, Southern Ordos Basin, China".SCIENTIFIC REPORTS 7(2017).

入库方式： OAI收割

来源：地质与地球物理研究所

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