ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,304, issued on Feb. 17, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Electric annular system and method for use in blowout preventer" was invented by Bruce Boulanger (Katy, Texas) and Gerrit Kroesen (Katy, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A technique facilitates reliable operation of a blowout preventer (BOP) system in a wide range of challenging environments. To enable dependable and rapid closing of the internal passageway of the BOP system, an annular closing system is employed. The annular closing system is fully electrically actuated and may comprise a variety of components which cooperate to provide r...