论文部分内容阅读
梁北矿主井井筒施工中采用综合方法防治井筒淋涌水,使井筒淋涌水减小到最低限度,实现了“干打井”,为井筒施工月平均超百米创造了有利条件。
In the construction of the main shaft of Liangbei Mine, a comprehensive method was adopted to prevent and treat the well water of the borehole and reduce the water leakage of the wellbore to a minimum, thus realizing “dry drilling” and creating favorable conditions for monthly average well over a hundred meters of wellbore construction.