ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,051, issued on Aug. 11, was assigned to DEVON ENERGY Corp. (Oklahoma City).
"Gas lift valve" was invented by Andrew Troyer (Hydro, Okla.) and Travis Dean (Edmond, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas lift valve for use in a wellbore has a housing with an injection fluid inlet port and an injection fluid outlet connected to a production tubing. The gas lift valve has a sealing ball engaged with a valve seat, and the sealing ball is disengaged from the valve seat to open a pathway from the injection fluid inlet through the injection fluid outlet into the production tubing solely as a result of injection fluid pressure in an annul...