Simulating temporal evolution of pressure in two-phase flow in porous media

被引:70
作者
Aker, E [1 ]
Maloy, KJ
Hansen, A
机构
[1] Univ Oslo, Dept Phys, N-0316 Oslo, Norway
[2] Norwegian Univ Sci & Technol, Dept Phys, N-7034 Trondheim, Norway
来源
PHYSICAL REVIEW E | 1998年 / 58卷 / 02期
关键词
D O I
10.1103/PhysRevE.58.2217
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
We have simulated the temporal evolution of pressure due to capillary and viscous forces in two-phase drainage in porous media. We analyze our result in light of macroscopic flow equations for two-phase flow. We also investigate the effect of the trapped clusters on the pressure evolution and on the effective permeability of the system. We find that the capillary forces play an important role during the displacements for both fast and slow injection rates and both when the invading fluid is more or less viscous than the defending fluid. The simulations are based on a network simulator modeling two-phase drainage displacements on a two-dimensional lattice of tubes.
引用
收藏
页码:2217 / 2226
页数:10
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