| 抽放瓦斯定向钻孔施工技术的研究 |
| 投稿时间：2002-09-09 修订日期：2002-09-09 点此下载全文 |
| 引用本文：郝世俊.抽放瓦斯定向钻孔施工技术的研究[J].钻探工程,2003,30(4):50-52.HAO Shi-jun. Research on Technology and Equipment of Controlled Directional Borehole for Drawing out of Gas from Coal Mine[J]. Drilling Engineering, 2003,30(4):50-52. |
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| 中文摘要: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。 |
| 中文关键词:煤矿 抽放瓦斯 定向钻孔 MK系列全液压钻机 组合钻具 |
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| Research on Technology and Equipment of Controlled Directional Borehole for Drawing out of Gas from Coal Mine |
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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. |
| keywords:coal mine gas drawing out controlled directional borehole MK Serial Hydraulic Drill borehole assembly |
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