| 提高低透性特厚煤层瓦斯抽放效果的技术和实践 |
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| 引用本文： | 刘汉邦. 提高低透性特厚煤层瓦斯抽放效果的技术和实践[J]. 矿业安全与环保, 2000, 27(Z1): 115-116 |
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| 作者姓名： | 刘汉邦 |
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| 作者单位： | 靖远矿务局魏家地煤矿,甘肃,白银,730913 |
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| 摘 要： | 对靖远矿务局魏家地煤矿低透气性特厚煤层瓦斯抽放的钻孔布置方式、钻孔与巷道抽放的不同参数以及钻孔封孔工艺进行了总结。
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| 关 键 词： | 低透性 特厚煤层 瓦斯抽放 |
| 文章编号： | 1008-4495(2000)03-0115-02 |
| 修稿时间： | 1999-12-27 |
Techniques and Practice of Raising Gas Drainage Effectiveness from Extra-thick Coal Seams with Loa Gas Permeability |
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| Abstract: | This paper summarizes the arranging pattern of boreholes for gas drainage from extra-thick coal seam with low gas permeability, the different parameters for gas drainage from boreholes and roadways as well the packing technology of boreholes in Weijiadi Mine of Jingyuan Coal Mining Administration, all of these can give a reference to those mines with similar conditions. |
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