断层带常用钻进施工工艺  

Common Drilling Technology in Faults

作　　者：黄会 

机构地区：[1]贵州地质工程勘察院,贵阳550008

出　　处：《城市地质》2013年第4期57-59,共3页Urban Geology

摘　　要：某矿区主要以辉钼矿为主,同时伴生有黄铁矿和少许铅锌矿。该矿区地层复杂,断层较多,主要施工难点是粉碎型破碎带和含断层泥与角砾的断层带。针对该复杂地层,选择合适的钻进施工工艺,能够有效的减少事故率和提高钻进效率。In a mining area, the main minerals are the molybdenites associated with some pyrites and minor lead-zinc ores, where the strata are very complex, the faults are developed. It is not easy to drill the fracture zones with fault gouges and breccias. In view of the drilling problems, it needs selecting the appropriate drilling technology to avoid accident and improve drilling efficiency.

关 键 词：断层泥 防塌泥浆 扩孔钻进 无泵反循环 

分 类 号：P634.5[天文地球—地质矿产勘探]