ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,234, issued on June 3, was assigned to Halliburton Energy Services Inc. (Houston).
"Wireline retrievable flapper and seat" was invented by Merced Gonzalez (Carrollton, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a retrievable safety valve insert, a safety valve, a well system, and a method. The retrievable safety valve insert, in one aspect, includes an outer housing including an outer housing central bore extending axially therethrough, the outer housing central bore operable to convey subsurface production fluids there through. The insert, according to this aspect, may further include a lock mandrel having a lock mandrel profil...