ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,103, issued on April 21.
"Self-adjusting downhole sucker rod pump spacing tool" was invented by Benny J. Williams (Godley, Texas) and John D. Williams (Burleson, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool comprises a cylinder, piston, and piston rod, the piston rod comprising first and second ends, the first end being external to the cylinder and having the capacity to be operatively connected to a sucker rod string or a sucker rod pump, the second end being positioned within a sealed cylinder chamber and attached directly or indirectly to the piston. The cylinder confining fluid within the cylinder chamber. The piston is ...