ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,348, issued on Aug. 12, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Annular closing system and method for use in blowout preventer" was invented by Suman Katanguri (Sugar Land, Texas), Bruce Boulanger (Sugar Land, Texas) and Gerrit Kroesen (Sugar Land, 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 electronically actuated annular closing system is employed. The annular closing system may include, for example, a ...