ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,657, issued on Aug. 11, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Method for establishing a computer-aided tomography index for the improvement of petrophysical properties" was invented by Aqeel M. Khalifa (Dammam, Saudi Arabia) and Paul J. Tarabbia (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "method for characterizing an oil well may include obtaining measurements of petrophysical properties relating to the oil/gas or water well, obtaining a computer-aided tomography index measured on a core sample relating to the well that is matched to geochemical concentration from geochemical logs or rock-analy...