| 双壁钻杆反循环潜孔锤钻进研究 |
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| 引用本文： | 李士民 郭克勤. 双壁钻杆反循环潜孔锤钻进研究[J]. 煤田地质与勘探, 1991, 19(2): 56-58 |
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| 作者姓名： | 李士民 郭克勤 |
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| 作者单位： | 北京矿务局地质勘探队 |
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| 摘 要： | 介绍了能适应煤田地质勘探的双壁钻杆和其他配套器具,以及反循环潜孔锤钻进在煤田中的试验效果。
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| 关 键 词： | 潜孔锤 钻进 钻探 双壁钻杆 反循环 |
THE RESEARCH OF REVERSE CIRCULATION DOWNHOLE DRILLING WITH DOUBLE-TUBE ROD |
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| Abstract: | In this paper, the authors described the self-de-signed double-tube rod and other necessary accessories available to coal geological exploration for the field working team, and showed the testing results of the reverse circulation downhole drilling in coalfields. |
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