Permeability of porous media under confining pressure

被引：2

作者：

Li, Chunguang ^{[1
,2
]}

Sun, Guanhua ^{[1
,2
]}

Guo, Mingwei ^{[1
,2
]}

Wang, Shuilin ^{[1
,2
]}

Zheng, Hong ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, State Key Lab Geomech & Geotech Engn, Inst Rock & Soil Mech, Wuhan 430071, Hubei, Peoples R China

[2] Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China

来源：

GEOPHYSICAL JOURNAL INTERNATIONAL | 2019年 / 216卷 / 03期

关键词：

Permeability; Bulk modulus; Porosity; Mechanics; PORE PRESSURE; EFFECTIVE STRESS; POROSITY; SHALE; DEPENDENCE; SANDSTONE; EVOLUTION; BEHAVIOR; LAW;

D O I：

10.1093/gji/ggy531

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Stress is a crucial factor that affects the permeability, and the influence of stress on permeability has been studied extensively by many investigators. In this article, the relationship between confining pressure and permeability is investigated. For this purpose, a void ratio-pressure model based on the theory of incompressible elastic porous media is first proposed, then, based on the model and Kozeny-Carman equation, a new pressure-permeability relationship is proposed. Finally the relationship is utilized to predict the permeability of coal and mudstone under different confining pressures, and these predictions are compared with other models and found to be in better agreement with experimental data reported recently.

引用

页码：2017 / 2024

页数：8

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