摘要
峨七井C煤组的208采面开采中,因断裂沟通开采裂缝带,导通长兴灰岩岩溶水而向井内突水,指出井下采用挡水墙封堵实为治标,后续地面打钻或启封78-17孔封堵长兴灰岩岩溶水乃是治本之举。
In the mining of C Coal Group, E Qi Well in 208 Coal Face, Changxing limestone karst water inrushes inside the well because of mining overbreak zone breaking. The authors have pointed that using bulkhead to block choke in the well successfully, then drilling on the earth or using 78--17 Hole to block Changxing limestone karst water.
出处
《江西煤炭科技》
2008年第4期58-59,共2页
Jiangxi Coal Science & Technology
关键词
C煤组
钻孔
突水
治理
C coal group
drill
water inrush
administer
