| 抽放瓦斯定向钻孔施工技术的研究 |
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| 引用本文： | 郝世俊.抽放瓦斯定向钻孔施工技术的研究[J].探矿工程,2003,30(4):50-52. |
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| 作者姓名： | 郝世俊 |
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| 作者单位： | 煤炭科学研究总院西安分院 |
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| 摘 要： | 介绍了抽放瓦斯定向钻孔施工技术的主要设备、钻具及仪器，组合钻具及钻进工艺参数，并通过几个工程实例，说明了该项技术的应用效果。
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| 关 键 词： | 煤矿 抽放瓦斯 定向钻孔 MK系列全液压钻机 组合钻具 |
| 收稿时间： | 2002/9/9 0:00:00 |
| 修稿时间： | 2002/9/9 0:00:00 |
Research on Technology and Equipment of Controlled Directional Borehole for Drawing out of Gas from Coal Mine |
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| HAO Shi-jun.Research on Technology and Equipment of Controlled Directional Borehole for Drawing out of Gas from Coal Mine[J].Exploration Engineering(Drilling & Tunneling),2003,30(4):50-52. |
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| Authors: | HAO Shi-jun |
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| Institution: | Xi''an Branch Institute, Headquater Institute of Coal Science |
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| Abstract: | The main equipment, drilling tools, instrument, borehole assembly and drilling parameters for drilling controlled directional gas drawing out hole are introduced. The effects of this technology are explained through several engineering cases. |
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| Keywords: | coal mine gas drawing out controlled directional borehole MK Serial Hydraulic Drill borehole assembly |
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