Sucker rod and end fitting with compression preset

Abstract

A sucker rod assembly comprising, an end fitting including a body with a rod receptacle cavity extending axially, a generally cylindrical sucker rod received within the rod receptacle cavity defining one or more annuli, a quantity of initially flowable adhesive bonded to the rod and disposed in the one or more annuli forming at least one wedge, a surface on the rod is spaced from a surface on the end fitting defining a void space therebetween, a blocking element is disposed between the surface on the end fitting and the surface on the rod, filling the void space. There is disclosed a blocking element in the form of a void filling incompressible material interposed between the end of the rod and the bottom end of the rod receptacle cavity. In one form, a collar is affixed to the rod and spaced relative to the lower open end of the rod. A blocking element is interposed between the collar and the lower open end of the end fitting.

Dependencies are inferred from the claim text.