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针对贵州西部复杂地质条件下瓦斯含量高、透气性低以及近距离突出煤层群开采等特点,应用煤与瓦斯共采理念,提出了保护层开采结合高抽巷及巷内穿层钻孔抽采卸压瓦斯方案,构建了突出煤层群的煤与瓦斯共采技术体系,有效解决了突出煤层群开采的煤与瓦斯突出及瓦斯超限的难题,为安全高效生产创造了条件,实现了煤与瓦斯安全高效共采。
Aiming at the characteristics of high gas content, low gas permeability and exploitation of coal seam with close distance in complicated geological conditions in western Guizhou, coal mining and methane co-mining are applied. Relief gas program to build a coal and gas outburst coal seams, a total technology system to effectively solve the outburst of coal and gas outburst and gas outburst gas out of the problem, to create a safe and efficient production conditions to achieve the coal and Gas safety and efficient total mining.