| 新元煤矿水力冲孔增透技术试验研究 |
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| 引用本文： | 孟德玉.新元煤矿水力冲孔增透技术试验研究[J].煤炭科技,2019(2):55-60. |
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| 作者姓名： | 孟德玉 |
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| 作者单位： | 阳泉煤业集团(有限)责任公司 |
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| 摘 要： | 松软低透高瓦斯突出煤层瓦斯含量高、透气性差、突出危险性大、瓦斯抽采效率低、治理难度大,严重制约着安全生产。研究结果表明:采用高效钻冲一体化设备进行水力冲孔造穴可有效解决松软低透高瓦斯突出煤层抽采效率低等问题;气相压裂、水力冲孔造穴联合方案抽采效果较差,现场不宜划分高瓦斯区域和瓦斯异常区域,统一按高瓦斯治理方案执行;确定出煤率为新元煤矿水力冲孔造穴实施效果的考察指标,残余瓦斯含量与出煤率呈负相关,3煤的出煤率不应小于2. 15‰。
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| 关 键 词： | 水力冲孔造穴 卸压增透 瓦斯抽采 突出煤层 |
Experimental Study of Permeability Improvement Technologywith Hydraulic Flushing Boreholes in Xinyuan Coal Mine |
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| MENG De-yu.Experimental Study of Permeability Improvement Technologywith Hydraulic Flushing Boreholes in Xinyuan Coal Mine[J].Coal Science & Technology Magazine,2019(2):55-60. |
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| Authors: | MENG De-yu |
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| Affiliation: | (Yangquan Coal Industry (Group) Co.,Ltd.,Yangquan,Shanxi,045000) |
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| Abstract: | MENG De-yu(Yangquan Coal Industry (Group) Co.,Ltd.,Yangquan,Shanxi,045000) |
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| Keywords: | hydraulic punching for caving pressure relief and permeability improvement gas extraction outburst coal seam |
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