摘要
本文介绍晋城煤业集团寺河矿西区、北区试验利用地面钻井斟探抽采、井下顺煤层长钻孔区域性勘探抽采、掘进工作面短钻孔抽采和采煤工作面顺槽钻孔抽采的综合抽采技术,从而有效降低煤层瓦斯含量和瓦斯压力,遏制高瓦斯矿井有突出危险倾向性煤层向突出发展的趋势,对于保证矿井的安全开采具有重要作用。
This paper describes the comprehensive extraction technology tested in west and north areas of Sihe coal mine, Jingchen Anthracite Mining Group, which involves prospecting extraction by surface boreholes, regional extraction by long boreholes alone coal seam underground, extraction by short boreholes at excavation faces, and extraction by roadway boreholes at working faces. It effectively reduces both gas content and gas pressure in coal seams, and the tendency that outburst proneness coal seams in gassy mine may turn into real burst is also contained, which is of great significance to guarantee mining safety.
出处
《中国煤层气》
2008年第3期31-33,共3页
China Coalbed Methane
关键词
抽放
防治
突出
技术
Extraction
prevention and control
outburst
technology
