摘要
唐家会矿61202工作面顺槽掘进过程中揭露煤层冲刷带,为探明其性质,指导工作面布置与回采,采用定向钻进技术对冲刷带进行探查验证,累计施工定向钻孔3个,进尺477m;探查结果表明该冲刷带分布宽度150-200m,影响深度超过10m,冲刷带影响范围内仅存的薄煤层不具备开采条件。
The coal seam scour belt is exposed in the process of heading down the channel of 61202 working face in Tangjihuimine,in order to find out its properties,guide working face layout and stoping,directional drilling technique was used to detect and verify the scour zone,cumulative construction of 3directional drilling,footage of 477m.The investigation results show that the distribution width of the scour zone is 150-200m,the depth of impact exceeds 10m,the only thin coal seams in the affected area of the scour zone are not suitable formining.
作者
肖骞
刘卫卫
郑金月
XIAO Qian;LIU Wei-wei;ZHENG Jin-yue(China Coal Technology&Engineering Group Xi’an Research Institute,Xi’an 710077,China;Ordos Huaxing Energy Corporation Ltd.,Ordos 017000,China)
出处
《内蒙古石油化工》
CAS
2020年第3期97-99,共3页
Inner Mongolia Petrochemical Industry
关键词
定向钻进
煤层冲刷带
钻孔
directional drilling
coal seam scour zone
drilling
