摘要
壁后充填是钻井法凿井砌筑井壁过程中的重要步骤,对维持井筒的稳定具有重要作用。充填浆液的选择、充填方式的选用等对充填效果都有非常大的影响。本文以信湖煤矿中央风井井壁为例,介绍了充填的基本原理和详细的充填步骤,对以后井壁壁后充填具有指导作用。
Backfilling is an important step in building shaft lining using sinking drilling method, which plays an important role in maintaining the stability of wellbore. The choice of filling slurry,filling method,and so on have a great influence on the filling effect. The central ventilation shaft in Xinhu coal mine as an example,this paper introduces the basic principle of filling and the detailed filling steps,as the guidance of the backfilling in the future.
出处
《四川建材》
2016年第1期115-116,共2页
Sichuan Building Materials
关键词
井壁
壁后充填
充填浆液
shaft lining
backfilling
filling slurry