US Patent Issued to Schlumberger Technology on Oct. 28 for "Electric blowout preventer bonnet using linear actuated roller screws" (Texas Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,872, issued on Oct. 28, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Electric blowout preventer bonnet using linear actuated roller screws" was invented by Suman Katanguri (Houston), Todor K. Sheiretov (Houston) and Bruce Boulanger (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric bonnet includes a housing; a guide piston disposed in the housing; an electric motor having a motor shaft; a rear housing connected to the housing; a gearbox assembly disposed in the rear housing, the gearbox assembly being coupled to the motor shaft of the electric motor; and a roller screw assembly disposed in the rear h...