钻井井壁突水淹井的治理

WATER INRUSH CONTROL AND RESUME OF A FLOODED AIR SHAFT

祁东煤矿风井在建井过程中 ,发生钻井井壁突水事故 ,井筒被淹。采取静水抛碴注浆封水 ,突水段壁后注浆置换充填截水的综合治理方法 ,切断突水通道 ,成功地治理了此次突水事故。取得了较好的社会经济效益 。

The mine flooding happed during construction of the air shaft in Qidong Coal Mine.The water inrush pass was sealed by grounting into the filled stones and into surrounding rocks behind the shaft wall.The running off was success fully blocked.Obvious benefaction both in society and economy has been obtained.This is a effective way in solving hydrogological problems for shaft construction that are under the same hydrogeological conditions.