ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,845, issued on March 17, was assigned to VAULT PRESSURE CONTROL LLC (Houston).
"Wellhead compression relief system" was invented by Andrew Browne Helvenston (Houston), Khang Van Nguyen (Tomball, Texas) and Bryan Staton (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compression relief tool includes a tool body, an actuator, and a tool sleeve. The tool body is configured to couple to a wellhead. The actuator is coupled to the tool body and is configured to be coupled to the wellhead. The actuator is further configured to impart a preload force on an intermediate casing via the tool body. The tool sleeve is movable relative to the tool body...