ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,261, issued on Oct. 14, was assigned to Ensight Synergies LLC (Centerville, Texas).

"Systems and methods to efficiently cool drilling mud" was invented by Brian D. Hill (Centerville, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for cooling a drilling mud in a drilling operation. In aspects, the disclosure includes drawing the drilling mud from a last active volume mud tank of a plurality of active volume mud tanks and conducting the drilling mud to a heat-exchanger apparatus and then returning the drilling mud to the last active volume mud tank. In other aspects, the disclosure includes a variable frequency d...