ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,030, issued on June 30, was assigned to Halliburton Energy Services Inc. (Houston).

"Regulating distribution of injection and production fluids to enhance heat recovery in geothermal applications" was invented by Philip D. Nguyen (Duncan, Okla.) and Ronald Glen Dusterhoft (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of improving heat recovery from a geothermal well includes receiving temperature distribution data from a distributed temperature sensing (DTS) system comprising a fiber optic cable disposed in a wellbore, which extends through a formation; analyzing the temperature distribution data to determine a fluid flow profile ...