H Type Sarety Joint
The H type safety joint, which is installed on the position required for subsurface drill stem and can bear in fishing operation all kinds of loads for pulling or pressing and used to transmit torque is a subsurface safety equipment.In down hole operation in case of being needed,the safety joint is easy to be discharged off so as to take out the drill 1stem above it.It is easy to butt the safety joint to go on fishing operation when running in hole again.