摘要
分析了淮南矿区保护层开采时开采层上方覆岩移动规律及地面钻井的破坏原因,总结了地面钻井抽采被保护层卸压瓦斯的固井、护井、增抽关键技术。
Analyses the movement law of layer overlying rock and the damage reasons of the ground drilling inHuainan mining area, summes up the key technology of cementing well ,protecting well and increasing extraction forunload pressure gas protected layer of the ground drilling and extrction.
出处
《山西焦煤科技》
2017年第8期136-139,共4页
Shanxi Coking Coal Science & Technology
关键词
地面钻井
破坏分析
固井
护井
增抽
Ground drilling
Failure analysis
Cementing well
Protection well
Increase extraction