西南石油大学学报(自然科学版)

Previous Articles     Next Articles

Upscaling Algorithm for Heterogeneous Porous Media by Using
the Finite Analytic Method

Liu Zhifan*, Liu Zhifeng, Wang Xiaohong   

  1. Department of Thermal Science and Energy Engineering,University of Science and Technology of China,Hefei,Anhui 230026,China
  • Online:2015-06-01 Published:2015-06-01
  • Contact: Department of Thermal Science and Energy Engineering,University of Science and Technology of China,Hefei,Anhui 230026,China

Abstract:

An algorithm for solving upscaled tensor permeability by using the finite analytic method is proposed,which is
suitable for the flow field described by the linear Darcy′s law. Adoptingthe double periodic boundary condition proposed by
Durlofsky,the proposed algorithm can provide the upscaled full tensor permeability with high efficiency. Only with 2×2 or
3×3 subdivisions,the proposed algorithm can provide rather accurate solutions,where the convergent speed is independent of
the permeability heterogeneity. In contrast,when using the traditional numerical schemes to simulate flow through a strong
heterogeneous porous medium,the refinement ratio for the grid cell needs to increase dramatically to get an accurate result.

Key words: seepage, reservoir simulation, heterogeneous porous meadia, upscaling for permeability, grid mesh