深部煤层点火
the deep coal seams ignition
大倾角地层煤层气钻井
CBM well boring in strata at great inclination
含吸附煤层气煤
adsorbed methane-coal system
油气、煤层气还原作用
reduction by oil-gas and coalbed gas
地层深部堵塞
deep-bed formation plugging
断层深部特征
characteristics of deep region of fault
浅埋深煤层
shallow buried depth coal seam
桥口深层气藏
Qiaokou deep gas reservoir