摘要
大孔径水井中产生事故的原因大多为井孔倾斜,造成井孔倾斜的原因复杂。文中分析造成井孔倾斜的主要原因,总结了多年来的事故处理经验。
Accidents during the construction of large-diameter water wells are mostly caused by slanted holes.The reasons behind the slanted holes are complicated.The paper analyses the major reasons resulting in slanted holes and summarizes experience related to the accident handling in many years.
作者
张海刚
ZHANG Hai-gang(Shangdong Tianrui Heavy Industry Co.,Ltd.,Weifang 261041,Shangdong)
出处
《凿岩机械气动工具》
2021年第1期58-60,共3页
Rock Drilling Machinery & Pneumatic Tools
关键词
井孔偏斜
钻压力
螺旋钻头
扶正器
slanted hole
drilling pressure
auger
centralizer