Experimental study on gas permeability by adsorption under 3D-stress

被引：0
|
作者：
LONG Qing-ming WEN Guang-cai ZOU Yin-hui ZHAO Xu-sheng (Chongqing Research Institute
机构：
来源：
International Journal of Coal Science & Technology | 2009年 / 02期
关键词：
gas; adsorption; permeability; pressure; temperature;
D O I：
暂无
中图分类号：
TD311 [原岩应力];
学科分类号：
0819 ;
摘要：
Using self-developed gas-seepage experimental installation,under the sameeffective stress conditions,coal permeability experiments on different adsorption characteristicsof gases,different temperatures and different gas adsorption contents were performed,and the influence law of adsorption on coal permeability was studied.At the sametime,experimental analogy showed clearly that gas drawing plucks the permeability variationlaw.The results show that adsorption has a major impact on coal permeability.Thegreater the adsorption,the more the gas adsorption capacity and the coal permeabilitybecomes smaller.Permeability becomes smaller along with confining of pressure andtemperature,and this is in accord with local practice results.
引用
收藏
页码：148 / 151
页数：4
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