煤矿井下煤层气开采

Exploitation of coalbed methane in underground coal mine

阐述了煤矿井下抽放煤层气技术、抽放钻孔的施工与密封、煤层气抽放系统及设施、抽放煤层气的计量与检测、提高煤层气抽放率的方法、煤层压裂技术等问题。

This paper expounds the technology of coalbed methane drainage in coal mine,the construction and sealing of drainage boreholes,the system and facilities of coalbed methane drainage,the measurement and detection of coalbed methane drainage,the methods of improving the rate of coalbed methane drainage,and the technology of coalbed fracturing.