ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,950, issued on May 6, was assigned to Upwing Energy LLC (Cerritos, Calif.).
"Downhole lubrication system" was invented by David Biddick (Houston), Patrick McMullen (Yorba Linda, Calif.), Christopher Matthew Sellers (Fullerton, Calif.) and Herman Artinian (Huntington Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric machine is configured to be positioned within a wellbore. The electric machine enclosed within a housing isolates the electric machine from fluids within the wellbore. A first lubrication circuit includes a lubrication reservoir within the housing. The lubrication reservoir is fluidically connected to the electric m...