jointly supported by National Natural Science Foundation of China(Grant No.41272178);the Major Projects of National Science and Technology of China(Grant No.2011ZX05034);National Basic Research Program of China(Grant No.2009CB219605);"Qinglan"Project of Jiangsu Province
Effective migration system of coalbed methane(CBM)reservoir,which was controlled by development degree and opening-closing degree of fractures,determines the permeability of coal reservoir and can be characterized by ...