回采工作面过未封钻孔的技术实践  

Technical Practice of Passing Unsealed Borehole at Mining Coal Face

作　　者：黄友顺[1] 冯光[1] 崔伦贵 刘永利[1] 

机构地区：[1]双鸭山矿业集团公司东荣二矿,黑龙江双鸭山155100

出　　处：《煤炭技术》2009年第9期92-93,共2页Coal Technology

摘　　要：1982年双鸭山矿业集团公司东荣二矿501号钻孔发生埋钻事故。文章分析了回采过程中遭遇501号钻孔的两种处理方法及依据,为今后遇到此类工程现象提供了工程实践经验。In 1982, the buried drills accident of No.501 driUing hole took place, in Dongrong No.2 Coal Mine, in Shuangyashan Mining Industry Group Comp., two kinds of handling methods and basis in the mining process were analyzed. The practice experiences in engineering were provided for such engineering phenomena in future.

关 键 词：未封钻孔 保护煤柱 回采 

分 类 号：TD823[矿业工程—煤矿开采]