US Patent Issued to EQUINOR ENERGY AS on Feb. 17 for "Whipstock assembly and associated method of installing the whipstock assembly" (Norwegian Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,290, issued on Feb. 17, was assigned to EQUINOR ENERGY AS (Stavanger, Norway).

"Whipstock assembly and associated method of installing the whipstock assembly" was invented by Erling Grindhaug (Harstad, Norway), Gaute Grindhaug (Hafrsfjord, Norway) and Morten Eidem (Trondheim, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A whipstock assembly including a whipstock with an inclined surface in an upper part of a housing for deflecting a drill string; an anchor, below the whipstock having run and set states, in the run state the anchor runs into the well and in the set state the anchor anchors against an inner wall of the well; a sealing device ...