黄陇煤田应用金刚石钻进的问题

Problems on the application of diamond drilling in Huanglong Coalfield

分析了黄陇煤田大佛寺井田金刚石单管和双管取心及绳索取心钻井技术应用效果 ;指出了存在的问题 ;展望了黄陇煤田发展金刚石绳索取心工艺技术。

The application result of diamond drilling techniques in Huanglong Coalfield is analyzed emphatically in the paper.The existent problems are pointed out.The technology in further developing diamond wire line core drilling techniqus in Huanglong Coalfield is also forecasted.