Safety joint
Author：China-lk Date： 2017-07-08
The Safety joint with friction ring is a safety device connected to drill-stem in well. It may be used in any setting position, as well as transmits torque and bear various stress as drillstem do. Once meeting with trouble in well. It may be released and reengaged by special method of operation.
2.Unlaching joint
The Unlatching joint is a unique multi-purpose down-hole safety tool. In the process of fishing,washover and testing, it may be connected to neededposition of drill-stem. It may be released and re-engaged as per the operator’s option. Compared with common safety joint, the joint has the advantage of setting its action on the ground.
