摘要
介绍了煤矿大直径瓦斯抽排井钻孔施工过程中,施工钻孔与巷道串通事故的处理,以及扩孔钻进成孔、漂浮法安放井管、壁后充填水泥浆固井止水等工艺技术。
The paper introduced the treatment of borehole and roadway holing in the construction process of large diameter coalmine gas discharging well;and also introduced reaming drilling for hole completion,floating settlement for well casting and wall-back cement-backfilling for water shut-off and wall cementation.
出处
《探矿工程（岩土钻掘工程）》
2009年第11期15-17,共3页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
瓦斯抽排井
事故处理
工艺技术
gas discharging well
accident treatment
technology
