摘要
介绍了深孔定向钻机应用的施工工艺,并对其在侯甲煤业的使用效果进行了分析评价。
The construction technology of deep-hole directional drilling machine was introduced and its application in Houjia Mine was evaluated in the paper.
出处
《山西煤炭》
2013年第6期55-56,共2页
Shanxi Coal
关键词
定向钻机
瓦斯抽采
安全生产
directional drilling machine
gas drainage
safety production