ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,079, issued on Nov. 18, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Thermal system with exhaust heat exchanger" was invented by Olivier Lecoq (Clamart, France) and Matthieu Simon (Clamart, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A thermal system for providing thermal conditioning to a facility includes a facility air circuit for circulating a facility air throughout the facility and a downhole fluid circuit for circulating a downhole fluid. The facility air circuit is thermally connected to a heat pump for exchanging heat with the facility air. The downhole fluid circuit includes the heat pump for exchanging hea...