摘要
介绍了水力扩孔技术及其在瓦斯防治方面的应用试验情况，认为该技术对煤层抽排瓦斯和石门揭煤都有着广泛的应用前景。
Author introduces hydraulic reaming and its application test in the prevention and control of mine gas.It is believed that the technique has widespread application prospects for draining out methane from gaseous coal seam and coal seam exposing in cross cut headings.
出处
《山西煤炭》
1998年第3期60-62,共3页
Shanxi Coal
关键词
水力扩孔
抽排瓦斯
瓦斯防治
hydraulic reaming
gas drainage
coal exposing in cross cut
