煤矿用螺杆钻具性能测试及应用分析

Performance Testing and Application Analysis on PDM Drill in Coal Mine

摘要:

分析了国内外螺杆钻具发展现状，并通过比较国内外螺杆钻具的特征差异，针对不同的螺杆钻具进行性能测试试验，进一步掌握了螺杆钻具性能特点，为促进国内煤矿用螺杆钻具的再发展提出了指导性建议。

Abstract:

Analysis was made on the current development situation of PDM drill both in China and abroad. By the comparison between the feature differences of PDM drill both in China and abroad, performance tests were made on different PDM drills with guidance suggestions on redevelopment of coal mine PDM drill in China.