| 钻探技术地表排放井下采空区积水工艺 |
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| 引用本文： | 宋玉平.钻探技术地表排放井下采空区积水工艺[J].同煤科技,2010(3). |
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| 作者姓名： | 宋玉平 |
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| 作者单位： | 大同煤炭建设监理有限责任公司 |
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| 摘 要： | 叙述了放水钻孔位置的选择原则和施工过程,分析了钻孔偏移的原因,对孔斜进行了测量和计算,提出了井下找孔方法,进行了放水套管的设计,总结了止水套管事故处理的经验教训。
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| 关 键 词： | 煤矿开采 水灾预防 钻孔防水 放水孔施工 |
Technology of Removing Water underground Goaf by Surface Drilling |
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| Authors: | Song Yuping |
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| Affiliation: | Song Yuping |
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| Abstract: | In this paper,the principles of choosing draining hole position and the construction process are described.The reason of borehole deflection is analyzed.Then the offset of hole is measured and computed,and the methods of searching underground drilling hole are put forward.Finally the sleeve of draining water is designed and the experience of accident reaction for water stop sleeve is summarized. |
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| Keywords: | mining flood prevention waterproof by drilling hole dewatering orifice construction |
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