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介绍了秘鲁Conymecar铜矿区45°斜孔施工采用的钻探机具、施工工艺、钻孔结构、钻头的选择以及冲洗液的使用情况,并分析了钻探过程中的施工难点及其处理措施。总结了本次大斜度深孔钻探施工的经验。
The drilling equipment, construction technology, drilling structure, bit selection and flushing fluid used in 45 ° slant hole construction in Conymecar copper mine in Peru are introduced. The construction difficulties and treatment measures in the drilling process are also analyzed. Summed up the construction of this large-scale deep-hole drilling experience.