A Nonlinear Seepage Flow Model for Deformable Double Media Fractal Gas Reservoirs

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2007, Vol. 24 ›› Issue (1): 90-94.

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A Nonlinear Seepage Flow Model for Deformable Double Media Fractal Gas Reservoirs

ZHANG Liehui¹, ZHANG Jinliang¹, XU Bingqing²

1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China;
2. Institute of Petroleum Engineering, Southwest Petroleum University, Chengdu 610500, China

Received:2005-10-18 Revised:2006-04-03 Online:2007-01-25 Published:2007-01-25

Abstract

Abstract: Based on the Warren-Root model,introducing fractal parameter and deformable coefficient and considering the effect of pressure on permeability and porosity,we construct a seepage flow model for pressure-sensitive deformable double media fractal gas reservoirs.A finite element method which has advantages in numerical solution of partial differences equations is used.The effect of parameters on pressure and importance in pressure-sensitive deformable double media fractal gas reservoirs are analyzed in detail.

Key words: fractal gas reservoir, deformable double media, unstable seepage flow, seepage flow model, finite element method

CLC Number:

TE312

ZHANG Liehui, ZHANG Jinliang, XU Bingqing. A Nonlinear Seepage Flow Model for Deformable Double Media Fractal Gas Reservoirs[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2007, 24(1): 90-94.

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A Nonlinear Seepage Flow Model for Deformable Double Media Fractal Gas Reservoirs

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