US Patent Issued to Schlumberger Technology on Jan. 13 for "Closed well loop for geothermal systems" (British, Romanian Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,396, issued on Jan. 13, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Closed well loop for geothermal systems" was invented by Ashley Bernard Johnson (Cambridge, Great Britain) and Ross Lowdon (Bucharest, Romania).

According to the abstract* released by the U.S. Patent & Trademark Office: "A closed well loop is provided for a geothermal system. The closed well loop includes at least one well having at least one lateral section the traverses a subterranean formation. Fluid flow in the at least one lateral section extracts thermal energy from the subterranean formation. The fluid flow in the at least one lateral section is driven by convection where hotter flu...