IMECH-IR  > 流固耦合系统力学重点实验室
Study on the effects of fracture on permeability with pore-fracture network model
Jiao CY; Hu Y; Xu X; Lu XB(鲁晓兵); Shen WJ(沈伟军); Hu XH
Source PublicationEnergy Exploration & Exploitation
2018-05
Volume36Issue:6Pages:1556-1565
ISSN0144-5987
Abstract

Reservoir quality and productivity of fractured gas reservoirs depend heavily on the degree of fracture development. The fracture evaluation of such reservoir media is the key to quantify reservoir characterization for the purposes such as well drilling and completion as well as development and simulation of fractured gas reservoirs. In this study, a pore-fracture network model was constructed to understand the effects of fracture on permeability in the reservoir media. The microstructure parameters of fractures including fracture length, fracture density, fracture number, and fracture radius were analyzed. Then two modes and effects of matrix and fracture network control were discussed. The results indicate that the network permeability in the fractured reservoir media will increase linearly with fracture length, fracture density, fracture number, and fracture radius. When the fracture radius exceeds 80 µm, the fracture radius has a little effect on network permeability. Within the fracture density less than 0.55, it belongs to the matrix control mode, while the fracture network control mode is dominant in the fracture density exceeding 0.55. The network permeability in the matrix and fracture network control modes is affected by fracture density and the ratio of fracture radius to pore radius. There is a great change in the critical density for the matrix network control compared with the fracture network control. This work can provide a better understanding of the relationship between matrix and fractures, and the effects of fracture on permeability so as to evaluate the fluid flow in the fractured reservoir media.

DOI10.1177/0144598718777115
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000450312800011
DepartmentLMFS海洋土力学(LHO)
ClassificationQ3
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/73190
Collection流固耦合系统力学重点实验室
Corresponding AuthorShen WJ(沈伟军)
Affiliation1.PetroChina Research Institute of Petroleum Exploration & Development, Beijing, China
2.Institute of Mechanics, Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Jiao CY,Hu Y,Xu X,et al. Study on the effects of fracture on permeability with pore-fracture network model[J]. Energy Exploration & Exploitation,2018,36(6):1556-1565.
APA Jiao CY,Hu Y,Xu X,Lu XB,Shen WJ,&Hu XH.(2018).Study on the effects of fracture on permeability with pore-fracture network model.Energy Exploration & Exploitation,36(6),1556-1565.
MLA Jiao CY,et al."Study on the effects of fracture on permeability with pore-fracture network model".Energy Exploration & Exploitation 36.6(2018):1556-1565.
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