support of the Open Fund of State Key Laboratory of Oil and Gas Reser-voir Geology and Exploitation (Southwest Petroleum University) (PLN0610);the Opening Project of He-nan Key Laboratory of Coal Mine Methane and Fire Prevention (HKLGF200706); the National Natural Science Foundation of China (No. 50334060, 50474025, 50774106);the National Key Fundamental Research and Development Program of China (No. 2005CB221502);the Natural Science Innovation Group Foundation of China (No. 50621403);the Natural Science Foundation of Chongqing of China(No. CSTC, 2006BB7147, 2006AA7002).
In order to obtain a gas seepage law of deep mined coal seams, according to the properties of coalbed methane seepage in in-situ stress and geothermal temperature fields, the gas seepage equation of deep mined coal se...