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Investigation of Intermingled Fractal Model for Organic-Rich Shale
Li CX(李曹雄); Lin M(林缅); Ji LL(姬莉莉); Jiang WB(江文滨); Cao, Gaohui; Lin, M (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.; Lin, M (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
2017-09-01
发表期刊ENERGY & FUELS
卷号31期号:9页码:8896-8909
ISSN0887-0624
摘要Organic-rich shales have abundant micronanopores and slits. Most micronanopores exist in organic matter and pyrites. Pore size distribution significantly influences shale gas flow. In micronanopores of organic matter and pyrites, pore size distribution has a self-imitating or fractal property. This property is helpful in upscaling calculation. In this work, intermingled fractal model for organic-rich shale is investigated. First, on the basis of scanning electron microscopy (SEM) images of shale samples in Longmaxi shale formation, fractal units are built-in representative elementary surfaces of organic matter and pyrites. Second, intermingled fractal models (IFMs) are then built considering the organic matter fractal pore units, the pyrite fractal pore units, and slits. Influences of fractal parameters on apparent gas permeability of IFMs are investigated. Third, an upscaled shale model is successfully built using the mirror image method. This upscaling method is verified by comparing the apparent gas permeability between upscaled models and experimental results. The upscaling method based on fractal theory can significantly shorten the calculation time and provide a promising way for apparent gas permeability calculation in the upscaled model.
DOI10.1021/acs.energyfuels.7b00834
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000411771200008
关键词[WOS]POROUS-MEDIA ; THERMAL-CONDUCTIVITY ; PERMEABILITY MODEL ; UNITS MODEL ; GAS-FLOW ; PREDICTION ; IMBIBITION ; TRANSPORT ; RESERVOIR ; MATTER
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
项目资助者National Natural Science Foundation of China(41690132 ; Major National Science and Technology Special Program of China(2017ZX05037-001) ; Chinese Academy of Sciences(XDB10020302) ; 41574129)
课题组名称LMFS海洋环境与工程(LEM)
论文分区二类
力学所作者排名1
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/70076
专题流固耦合系统力学重点实验室
通讯作者Lin, M (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China.; Lin, M (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
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GB/T 7714
Li CX,Lin M,Ji LL,et al. Investigation of Intermingled Fractal Model for Organic-Rich Shale[J]. ENERGY & FUELS,2017,31(9):8896-8909.
APA 李曹雄.,林缅.,姬莉莉.,江文滨.,Cao, Gaohui.,...&Lin, M .(2017).Investigation of Intermingled Fractal Model for Organic-Rich Shale.ENERGY & FUELS,31(9),8896-8909.
MLA 李曹雄,et al."Investigation of Intermingled Fractal Model for Organic-Rich Shale".ENERGY & FUELS 31.9(2017):8896-8909.
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