US Patent Issued to Schlumberger Technology on Nov. 4 for "Electric annular blowout preventer with radial compression of packer" (Texas Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,499, issued on Nov. 4, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Electric annular blowout preventer with radial compression of packer" was invented by Bruce Boulanger (Katy, Texas), Gerrit Kroesen (Katy, Texas) and Suman Katanguri (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An annular blowout preventer includes an annular body including a central bore extending therethrough, a plurality of electric motors disposed circumferentially around the annular body; a packer assembly disposed within the annular body about the central bore; and a plurality of pusher plates disposed in the annular body; each pusher...