煤炭工程 ›› 2015, Vol. 47 ›› Issue (1): 78-80.doi: 10.11799/ce201501025

• 研究探讨 • 上一篇    下一篇

基于羽状水平分支井的低透松软单一煤层瓦斯抽采技术研究

吴有增,孟磊   

  1. 中国矿业大学(北京)
  • 收稿日期:2014-08-12 修回日期:2014-10-29 出版日期:2015-01-10 发布日期:2015-01-10
  • 通讯作者: 孟磊 E-mail:tntmlove@126.com
  • 基金资助:
    国家重点基础研究发展计划(973)资助项目

Gas drainage technology research of low-permeability soft single coal seam Based on the horizontal pinnate branch well

  • Received:2014-08-12 Revised:2014-10-29 Online:2015-01-10 Published:2015-01-10

摘要: 为了解决低透气性松软单一煤层开采的瓦斯积聚和超限问题,以余吾煤业低透气性松软单一的3#煤层为研究对象,通过研究典型工作面瓦斯涌出特征,掌握了来压与瓦斯涌出的相关性,并确定了工作面瓦斯涌出的主要来源,提出并完成了羽状水平分支抽采井的搭建,考察和评价了“羽状水平分支抽采井”的抽采效果。

关键词: 羽状水平分支井, 低渗透性, 瓦斯抽采, 矿压, 瓦斯涌出

Abstract: In order to solve the problem of gas accumulation and overrun in the process of mining the low-permeability soft single coal seam, we take YuWu’s low permeability soft single coal seam 3# as research objects, by studying gas emission characteristics of the typical working face, master the correlation of pressure and gas emission, determine the main source of gas emission in working face, propose and complete the construction of the horizontal pinnate branch well, investigate and evaluate the drainage effect of the horizontal pinnate branch well.

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