立体交叉钻孔强化预抽煤层瓦斯技术研究  

Technical Research on Stereo Cross Drilling to Strengthen Predrainage Coal Seam Gas

作　　者：杨利平 

机构地区：[1]中煤科工集团重庆研究院有限公司,重庆400037 [2]国家煤矿安全技术工程研究中心,重庆400037

出　　处：《煤炭技术》2018年第2期204-205,共2页Coal Technology

基　　金："十二五"国家科技重大专项课题(2011ZX05041-004)

摘　　要：针对王坡煤矿3212工作面瓦斯含量较高的实际情况,利用立体交叉钻孔进行了强化预抽煤层瓦斯现场试验,并对工作面抽采钻孔布孔均匀程度以及工作面首采0~770 m瓦斯抽采达标情况进行了评价分析。结果表明:立体交叉钻孔强化预抽煤层瓦斯在3212工作面取得了良好的瓦斯抽采效果,是煤与瓦斯突出矿井有效的消突方法之一。Aiming at the actual situation of high gas content in 3212 working face of Wangpo coal mine, the stereo cross drilling was used to strengthen the pre-drainage gas. The drilling hole uniformity degree and the condition of 0~770 m gas extraction in the working face were evaluated and analyzed.The results show that the stereo cross drilling to pre-drainage coal seam has achieved good gas extraction effect in the 3212 working face, which is one of the effective methods to eliminate coal and gas outburst.

关 键 词：突出矿井 工作面 立体交叉钻孔 瓦斯抽采 抽采达标 

分 类 号：TD712[矿业工程—矿井通风与安全]