| 新型封孔技术在顺层钻孔瓦斯抽采中的应用 |
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| 引用本文： | 徐永吉.新型封孔技术在顺层钻孔瓦斯抽采中的应用[J].山东煤炭科技,2021(3):87-89. |
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| 作者姓名： | 徐永吉 |
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| 作者单位： | 晋能控股煤业集团寺河煤矿二号井 |
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| 摘 要： | 为防止顺层钻孔瓦斯抽采漏气,提升瓦斯抽采效率,针对山西晋城寺河煤矿二号井煤矿瓦斯抽采工程,深入研究分析瓦斯抽采工程中顺层钻孔气体泄漏规律,指出了顺层钻孔瓦斯抽采封孔基本原则,提出采用高强微膨胀型速凝封孔材料进行封孔的新型封孔技术。采用该新型封孔技术后瓦斯抽采纯量相较原封孔技术提升近167%。
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| 关 键 词： | 瓦斯抽采 顺层钻孔 速凝材料 封孔技术 |
Research on Application of New Sealing Technology in Gas Drainage of Bedding Borehole |
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| Xu Yongji.Research on Application of New Sealing Technology in Gas Drainage of Bedding Borehole[J].Shandong Coal Science and Technology,2021(3):87-89. |
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| Authors: | Xu Yongji |
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| Affiliation: | (No.2 Well of Sihe Coal Mine,Jinneng Holding Coal Group,Shanxi Jincheng 048019) |
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| Abstract: | In order to prevent gas leakage and improve gas extraction efficiency,the gas leakage law of bedding boreholes in the gas extraction project of No.2 Well in Shanxi Jincheng Sihe Coal Mine is deeply studied and analyzed,the basic principles of sealing holes in bedding boreholes are pointed out,and a new sealing technology using highstrength micro expansion quick setting sealing material is proposed.Compared with the original sealing technology,the new sealing technology can increase the gas extraction purity by nearly 167%. |
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| Keywords: | gas drainage bedding drilling rapid-curing material sealing technology |
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