秘鲁Conymecar铜矿区45°斜孔施工技术

Construction Technology for 45°Slant-hole in Conymecar Copper Ore District of Peru

摘要:

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。

关键词:斜孔;绳索取心钻进;金刚石钻头;冲洗液;事故处理

Abstract:

The paper introduces the drilling equipment, construction process, borehole structure, bit selection and the application of flushing fluid for 45° slant-hole construction in Conymecar copper ore district of Peru. The difficulties in the drilling process were analyzed with the treatment measures presenting and the experiences of the high angle slant-hole drilling construction were summed up.

Key words:slant-hole; wire-line core drilling; diamond drill bit; flushing fluid; accident treatment