ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,221, issued on Aug. 19, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).
"Controlling fluid flows in a multi-wellbore well system with a surface controlled formation isolation valve" was invented by Abdulrahman Mamdouh Anzi (Al Khafji, Saudi Arabia) and Mohammed Hadi Alqahtani (Al Khafji, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and systems controlling fluid flow in a multi-wellbore well system with a surface controlled formation isolation valve in a well system requiring an intervention job. The method includes transmitting, from a control panel on a surface of the Earth, the control panel operatively coupl...