Experimental Study on the Law for Permeability of Coal Bed Methane Considering Coupling Effect of Heat and Stress

被引：0
|
作者：
Liu Jie [1 ]
Zhang Yongli [1 ]
Su Chang [1 ]
Zhang Yao [1 ]
Cui Hongda [1 ]
Cao Zhu [1 ]
机构：
[1] Liaoning Technol Univ, Coll Mech & Engn, Fuxin 123000, Liaoning, Peoples R China
来源：
PROCEEDINGS OF THE 4TH INTERNATIONAL SYMPOSIUM - MULTI-FIELD COUPLING THEORY OF ROCK AND SOIL MEDIA AND ITS APPLICATIONS (2014) | 2014年
关键词：
Permeability; Heat; Stress; Coupling effect;
D O I：
暂无
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The law for permeability of coal body containing methane considering coupling effect of heat and stress has been experimentally researched in this article. Permeability measurement experiment has been done under different axial compression, confining pressure, pore pressure, and temperature by using the Triaxial Permeameter. Through analysis of the experimental results, the permeability of coal presents an increasing trend with the increase of pore pressure, and the increasing trend is more significant with the increase of temperature; the permeability of coal presents a decreasing tendency with the increase of effective stress, and the decreasing tendency is more significant with the increase of the temperature.
引用
收藏
页码：79 / 84
页数：6
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