摘要
邯郸市峰峰集团公司梧桐庄煤矿施工地面筑浆封堵182201工作面地板出水定向斜孔工程时,因采用清水钻进,当钻进穿过破碎带和煤层后,发生孔径环状间隙缩小,孔内钻具被埋卡事故。通过对事故原因的认真分析,采用了镶嵌式焊管处理方法,较理想的处理了孔内事故。
The Wutongzhuang coalmine of Fengfeng Group Company during the operation of a directional slant hole to grouting a floor flooding in No.182201 face,an accident of drill pipe sticking happened.After serious accident analysis,through the use of mosaic soldering pipe settled the accident successfully.
出处
《中国煤炭地质》
2006年第S1期81-82,共2页
Coal Geology of China
关键词
镶嵌式焊管
处理事故
矩形条孔
抗扭强度
焊接断面
mosaic soldering pipe
accident settlement
rectangle long narrow hole
torsional strength
face of weld
