1) Fracture Reason Analysis on Drill Collar
![点击朗读](/dictall/images/read.gif)
钻铤断裂原因分析
2) Fracture Reason Analysis of the Roller
![点击朗读](/dictall/images/read.gif)
轧辊断裂原因分析
3) collar break
![点击朗读](/dictall/images/read.gif)
断钻铤
1.
During the operation several downhole complications took place, such as collar break, cone break off, drill pipe sticking, lost circulation, caving and eccentrically worn drill pipe.
该井在施工中发生了断钻铤、掉牙轮、卡钻事故和井漏、井壁失稳、钻具偏磨等复杂情况。
补充资料:铤
见筳(梃、铤)。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条