ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,000, issued on Jan. 27, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Estimating downhole fluid flow rate from esp equipped with wireless sensors" was invented by Chidirim Enoch Ejim (Dhahran, Saudi Arabia) and Hattan M. Banjar (Dammam, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method to determine downhole fluid flow rate of a wellbore. The method includes generating, using sensors of a discharge sub and a suction sub coupled to an electrical submersible pump (ESP), monitoring data of the ESP that is suspended in the wellbore via a production tubing to facilitate well fluid flow to the Earth's surface throug...