ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,858, issued on Aug. 12, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Evaluating source rock based on time series analysis" was invented by Constantin Sandu (Houston) and Shannon L. Eichmann (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for evaluating source rock include: a reactor vessel comprising a body with an internal cavity sized to receive a sample holder, a heating system, a radiation source and a detector bracketing the reactor vessel, wherein the radiation source, the detector, and the reactor vessel are rotatable relative to each other; and a processor in communication with the detector,...