Type of connector:19,22,25mm rod conne Max O.D.:58,58,72mm Total length:343,348,370mm
Purpose:
It is mainly used to right the rod in side-wearing well, especially in above-neutral point side-attrition well and directional slope wells.
STRUCTURE:
It is mainly composed by coupling, tri-sawtooth ring, centralizing case, nine sawtooth ring, pup joint and so on.
Traits:
Simple structure, convenient usage, long time of service life, relative lower cost and so on.
When dropping the oil rod during operating, must slow down the speed in order to avoid scratching the surface on the joint between the rod and the well mouth.
SUCKER ROD PUP JOINT
