IMECH-IR  > 流固耦合系统力学重点实验室
Pore network extraction from pore space images of various porous media systems
Yi ZX; Lin M(林缅); Jiang WB(江文滨); Zhang ZB; Li HS; Gao J; Lin, M (reprint author), Chinese Acad Sci, Inst Mech, Beijing, Peoples R China.; Lin, M (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing, Peoples R China.
Source PublicationWATER RESOURCES RESEARCH
2017-04-01
Volume53Issue:4Pages:3424-3445
ISSN0043-1397
AbstractPore network extraction which is defined as the transformation from irregular pore space to a simplified network in the form of pores connected by throats is significant to microstructure analysis and network modeling. A physically realistic pore network is not only a representation of the pore space in the sense of topology and morphology but also a good tool for predicting transport properties accurately. We present a method to extract pore network by employing the centrally located medial axis to guide the construction of maximal-balls-like skeleton where the pores and throats are defined and parameterized. To validate our method various rock samples including sand pack sandstones and carbonates were used to extract pore networks. The pore structures were compared quantitatively with the structures extracted by medial axis method or maximal ball method. The predicted absolute permeability and formation factor were verified against the theoretical solutions obtained by lattice Boltzmann method and finite volume method respectively. The two-phase flow was simulated through the networks extracted from homogeneous sandstones and the generated relative permeability curves were compared with the data obtained from experimental method and other numerical models. The results show that the accuracy of our network is higher than that of other networks for predicting transport properties so the presented method is more reliable for extracting physically realistic pore network.
DOI10.1002/2016WR019272
Indexed BySCI ; EI
Language英语
WOS IDWOS:000403682600050
WOS KeywordX-RAY MICROTOMOGRAPHY ; 2-PHASE FLOW ; PETROPHYSICAL PROPERTIES ; RELATIVE PERMEABILITY ; RECONSTRUCTION ; SIMULATIONS ; MODELS ; ALGORITHMS ; SANDSTONES ; IMBIBITION
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
WOS SubjectEnvironmental Sciences ; Limnology ; Water Resources
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences(XDB10020302) ; National Natural Science Foundation of China(41574129 ; National Program on Key Basic Research Project (973 Program)(2014CB239004) ; 41690132)
DepartmentLMFS海洋环境与工程(LEM)
Classification一类
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60528
Collection流固耦合系统力学重点实验室
Corresponding AuthorLin, M (reprint author), Chinese Acad Sci, Inst Mech, Beijing, Peoples R China.; Lin, M (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Yi ZX,Lin M,Jiang WB,et al. Pore network extraction from pore space images of various porous media systems[J]. WATER RESOURCES RESEARCH,2017,53(4):3424-3445.
APA Yi ZX.,林缅.,江文滨.,Zhang ZB.,Li HS.,...&Lin, M .(2017).Pore network extraction from pore space images of various porous media systems.WATER RESOURCES RESEARCH,53(4),3424-3445.
MLA Yi ZX,et al."Pore network extraction from pore space images of various porous media systems".WATER RESOURCES RESEARCH 53.4(2017):3424-3445.
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