A PERMEABILITY MODEL FOR WATER-GAS PHASE FLOW IN FRACTAL FRACTURE NETWORKS

被引：22

作者：

Miao, Tongjun ^{[1
]}

Chen, Aimin ^{[2
]}

Xu, Yan ^{[1
]}

Cheng, Sujun ^{[1
]}

Wang, Kedong ^{[3
]}

机构：

[1] Xinxiang Univ, Coll Phys & Elect Engn, Xinxiang 453003, Henan, Peoples R China

[2] Xinxiang Univ, Coll Chem & Chem Engn, Xinxiang 453003, Henan, Peoples R China

[3] Henan Normal Univ, Coll Phys & Mat Sci, Xinxiang 453007, Henan, Peoples R China

来源：

FRACTALS-COMPLEX GEOMETRY PATTERNS AND SCALING IN NATURE AND SOCIETY | 2018年 / 26卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Permeability; Fractal; Fracture Networks; Two-Phase Flow; UNSATURATED POROUS-MEDIA; 2-PHASE FLOW; RELATIVE PERMEABILITY; CONDUCTIVITY; APERTURE;

D O I：

10.1142/S0218348X18500871

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Flow mechanism of water-gas phase is of significant importance to accurately understand and predict the fluid flow behavior in many fields, such as water and oil exploration, hot dry rock development and optimization of fuel cells. In this work, a novel relative permeability (RP) model for two-phase flow in fracture networks is proposed based on the fractal theory. The proposed model is expressed as a nonlinear function of saturation of water and gas with no empirical parameter. A stronger interference between water and gas phases than that of the X-model is found. The proposed model may provide a better understanding of the fundamental mechanism of water-gas phase flow in fracture network.

引用

页数：10

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