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Rapid multiscale pore network modeling for drainage in tight sandstone
Xu ZP(徐志朋)1,2; Lin M(林缅)1,2; Jiang WB(江文滨)1,2; Ji LL(姬莉莉)1,2; Cao GH(曹高辉)1
Corresponding AuthorLin, Mian(
AbstractTight sandstone possesses multiscale pores. Capturing and modeling the important pore properties into a pore network for drainage is challenging and computationally expensive. We present a method for modeling of a multiscale pore network, which enables us to handle huge rock micro computed tomography (mu CT) images with high computational efficiency and minimal experimental input data. This method uses micro-links to represent the upscaled transport properties of micropores unresolved by the image and connects pore clusters that have topological relationships in the image to extract a connected pore network from it. The size distribution of microlinks is optimized and determined by experimental permeability. The effects of the number distribution of microlinks on flow properties are investigated to obtain the robust parameter. The presented method is validated on a digital core and the published experimental data. This method is successfully applied to rapidly evaluate the influence of mineral components on drainage behavior in two tight sandstone rocks, which involves a large number of computations. The two mu CT images both contain more than 109 voxels and are handled by a personal computer, proving the potential in rapidly, accurately, and conveniently handling huge tight sandstone mu CT image for evaluating the drainage characteristics.
KeywordMultiscale pore network modeling Rapid Two-phase flow Tight sandstone
Indexed BySCI ; EI
WOS IDWOS:000660304200003
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Petroleum
Funding ProjectNational Natural Science Foundation of China[41872163] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA14010304]
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences
ContributorLin, Mian
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China;
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Xu ZP,Lin M,Jiang WB,et al. Rapid multiscale pore network modeling for drainage in tight sandstone[J]. JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING,2021,204:15.
APA 徐志朋,林缅,江文滨,姬莉莉,&曹高辉.(2021).Rapid multiscale pore network modeling for drainage in tight sandstone.JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING,204,15.
MLA 徐志朋,et al."Rapid multiscale pore network modeling for drainage in tight sandstone".JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 204(2021):15.
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