防止大孔径水井施工中孔斜的施工方法浅谈  

Shallow Analysis of Construction Method to Prevent Slanted Holes in Construction of Large-Diameter Water Well

作　　者：张海刚 ZHANG Hai-gang(Shangdong Tianrui Heavy Industry Co.,Ltd.,Weifang 261041,Shangdong)

机构地区：[1]山东天瑞重工有限公司,山东潍坊261041

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

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.

关 键 词：井孔偏斜 钻压力 螺旋钻头 扶正器 

分 类 号：TE242[石油与天然气工程—油气井工程]