1) power casing tongs
动力套管钳
3) casing tong
套管钳
1.
Based on the small borehole of bushing,un-breaking of main casing tong,less precision of torque meter,and inapplicable measure of whipstock in casing,several means are used to solve the said problems,that is 380 mm rotary Kelly and bushing,strain gauge torque meter and multi-stage self floating whipstock.
在分析大庆油田补心通径小、套管钳只有主钳不能卸扣、扭矩仪测量不精确、测斜仪不能在套管内测量等不适应套管钻井技术的基础上,配套了380 mm转盘方瓦和补心、主背同机套管钳、应变片式转盘扭矩仪以及多级自浮式测斜仪。
4) hydraulic casing tongs
液压套管钳
1.
Development of TQ508-70Y hydraulic casing tongs with big caliber and high torque;
TQ508—70Y大管径高扭矩液压套管钳的研制
5) vise grip pliers set
套装大力钳
补充资料：钳钳
1.妄语貌。
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