ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,306, issued on May 5, was assigned to TRANSOCEAN SEDCO FOREX VENTURES Ltd. (Hamilton, Bermuda).
"Rotary multi tool" was invented by Tor Sigurd Slettebo (Houston), Gregory Emberley (Houston), Michael Czarnota (Houston) and Anders Holgersen (Sandnes, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device is provided for removing mud, fluid, and/or debris from a tubular tripping out of a wellbore. The device includes a housing configured to be secured within a well center opening. A plurality of flexible wipers are arranged around the central opening and are configured to: (a) move to an open-wiper position, a partially-closed-wiper position, or ...