Lithologic Reservoirs ›› 2009, Vol. 21 ›› Issue (3): 118-121.doi: 10.3969/j.issn.1673-8926.2009.03.026

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Numerical simulation study of three-dimensional two-phase black oil model in fractured low permeability reservoirs

YANG Kai， GUO Xiao   

  1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation， Southwest Petroleum University， Chengdu 610500， China
  • Online:2009-09-16 Published:2009-09-16

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Abstract:

Alarge number of experimental and field data showthat starting pressure gradient exists in low permeability reservoirs and fracture is more sensitive than the matrix for stress. Based on dual porosity/dual permeability Darcy seepage flow mathematical model, pressure gradient and stress sensitivity are introduced. A seepage flow model in fractured low permeability reservoir is established, and a full-implicit simultaneous solving and examples calculation are carried out.

Key words: “continuous"petroleum accumulations, “continuous"petroleum accumulations evaluation, FORSPAN model

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