ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,770, issued on May 5, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Method and system for water cut sensing in an oil-water flow" was invented by Mhanna Mhanna (Thuwal-Jeddah, Saudi Arabia), Muhammad Arsalan (Dhahran, Saudi Arabia) and Aamir Farooq (Thuwal-Jeddah, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for water cut sensing in an oil-water flow involves obtaining a composite absorbance spectrum of the oil-water flow, obtaining a reference absorbance spectrum of a reference fluid, computing a slope for data points associated with the composite absorbance spectrum of the oil-water flow vs corresponding...