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Model of Equivalent Continuous Medium for Fractured Low-permeability Reservoir
Feng Jinde * #,Cheng Linsong,Li Chunlan
School of Petroleum &Gas Engineering, China University of Petroleum, Beijing
*Correspondence author
#Submitted by
Subject:
Funding: 国家自然科学基金,教育部高等学校博士学科点专项科研基金,教育部新世纪优秀人才支持计划项目（No.90210019,20060425001,NCET-05-0108）
Opened online:28 April 2007
Accepted by: none
Citation: Feng Jinde,Cheng Linsong,Li Chunlan.Model of Equivalent Continuous Medium for Fractured Low-permeability Reservoir[OL]. [28 April 2007] http://en.paper.edu.cn/en_releasepaper/content/12561
 
 
According to the characters of fractures in the fractured low-permeability reservoir, the model of anisotropy equivalent continuous medium was established by virtue of the parallel-plane theory, tensor theory and the law of equivalent seepage resistance. The influence of fractures on the reservoir permeability can be evaluated quantificationally and the fractures characterization parameters can be used to the studies of seepage theory and reservoir engineering by using the model. An example is calculated with the fracture characterizations of a practical reservoir. The results show that the fractures play a great role for the low-permeability reservoir especially for the ultra low-permeability reservoir. On the one hand, the reservoir permeability is improved by the fractures, so the ultra low-permeability reservoir can be developed; On the other hand, the fractures lead the reservoir to the strong anisotropy and increase the difficulty of development.
Keywords:fractured reservoir; low-permeability; equivalent continuous medium; model
 
 
 

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