ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,312, issued on Aug. 25, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Conditioning a tubing head back pressure valve receptacle" was invented by Hamed Nafa (Juaymah, Saudi Arabia), Mohammed Qethi (Juaymah, Saudi Arabia), Shaker Halawie (Juaymah, Saudi Arabia) and Farhan Shammari (Juaymah, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tool is used for installing and/or operating a back pressure valve mounted in a profile formed in an upper end of a tubing hanger. The tool is also used to remove deposits from the profile by attaching a conditioning module to the tool, and engaging the profile with the module. The modu...