Aim at the problem of top corner gas big at work face,seriously influences safety and restrains production,the method of direct drawing top corner gas has been proved sucessful.

• 针对高瓦斯工作面上隅角瓦斯大,严重影响安全,制约生产的问题,采用直接抽放工作面上隅角瓦斯及顶板抽放法取得成功。