ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,217, issued on Feb. 10, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Machine-learning based rig-site on-demand drilling mud characterization, property prediction, and optimization" was invented by Weichang Li (Katy, Texas), Ashok Santra (The Woodlands, Texas) and Miguel Gonzalez (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for machine learning based rig-site on-demand drilling mud characterization, property prediction and optimization is described. The method includes predicting rheological properties of drilling mud from compositional data based on a first empirical relationship across the...