US Patent Issued to Eavor Technologies on Aug. 5 for "Mitigating fluid loss or inflow in a closed-loop geothermal system" (Canadian Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,138, issued on Aug. 5, was assigned to Eavor Technologies Inc. (Calgary, Canada).

"Mitigating fluid loss or inflow in a closed-loop geothermal system" was invented by Michael Holmes (Calgary, Canada) and Matthew Toews (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes circulating a heat transfer working fluid in a closed loop between a geothermal well residing in a subterranean zone and at least one of a heat exchanger or a turbine. The well is substantially sealed to limit fluid loss of the working fluid into the subterranean zone. While circulating the working fluid, at least one of a viscosity of the working fluid or...