贵州烂泥沟金矿大角度斜孔岩心钻探施工实践与认识

Practice and Understanding of Core Drilling Construction in Large-angle Declined Hole in Lannigou Gold Deposit of Guizhou

摘要:

介绍了贵州烂泥沟金矿大角度斜孔施工情况，重点分析了冲洗液使用工艺技术、钻头选用等，总结了大角度斜孔钻探的几点经验和体会。

Abstract:

The paper introduces the large-angle declined hole construction in Lan'nigou gold deposit of Guizhou, analyzes the application process of flushing fluid and drill bit selection and sums up the experiences of large-angle declined hole drilling.