ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,255, issued on Sept. 22.

"Automated drilling fluids mixing service" was invented by Aswath Krishnan (Spring, Texas), Charles A. Thompson Jr. (Kingwood, Texas), Reza Ettehadi Osgouei (Spring, Texas), Finn Oivind Fevang (Rogaland, Norway) and Nils Kaageson-Loe (Claremore, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method includes determining a chemical mixture for a drilling fluid and maintaining or updating the chemical mixture. Determining the chemical mixture is based on a first interdependency of a first target property of a set of properties associated with the drilling fluid and a first substance to be added for...