ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,344, issued on Nov. 11, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Gas lift system with shearable lift gas valves" was invented by Ammal Fannoush Al-Anazi (Dammam, Saudi Arabia) and James Ohioma Arukhe (Dhahran, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "Shearable lift gas valves ("SLG valves") are installed in a well and operate on a contingency basis for injecting lift gas into the well; such as when a lift gas valve that has been in service becomes inoperable or inefficient, or changed well conditions necessitate some form of artificial lift. The SLG valves are maintained in a non-activated configuration with...