ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,486, issued on Sept. 15, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Differentiation of clastic sedimentary systems using March-Dollase preferred orientation actor" was invented by Mohamed Soua (Dhahran, Saudi Arabia) and Husinsyah Sitepu (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and tools to identify a type of sedimentary system from an XRD pattern. The method includes applying x-rays to a sample to obtain diffraction pattern data, and calculating a March-Dollase preferred orientation factor of a crystallographic plane of the sample based on the diffraction pattern data. The method furthe...