沿煤层钻孔工艺的关键问题探讨  

Inquiring into Key Problems Concerning the In-seam Drilling Technology

作　　者：王清峰[1] 刁文庆[1] 刘铭伟[1] 曹道鑫[1] 

机构地区：[1]煤炭科学研究总院重庆分院

出　　处：《矿业安全与环保》1999年第A08期19-20,31,共3页Mining Safety & Environmental Protection

摘　　要：结合钻孔试验情况探讨了煤层钻孔的设备选择及定向钻进、钻孔冲洗介质的确定、钻孔参数修正。Abstract By combining with the test condition some key technical problems are probed in this paper such as selection of equipment for drilling borehole in coal seam,determination of washing media for directional drilling and boreholes,correction of parameters of boreholes and drilling in unstable coal seam.

关 键 词：煤层 定向钻孔工艺 冲洗介质 钻孔参数 瓦斯抽放 

分 类 号：TD712.6[矿业工程—矿井通风与安全] TD823.82