US Patent Issued to Interwell Norway AS on Sept. 16 for "Well tool comprising an anchoring device and method for using" (Norwegian Inventor)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,209, issued on Sept. 16, was assigned to Interwell Norway AS (Hafrsfjord, Norway).

"Well tool comprising an anchoring device and method for using" was invented by Thomas Hiorth (Trondheim, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A well tool performs an operation in an oil/gas well. The well tool includes: a mandrel having a longitudinal direction and a radial direction perpendicular to the longitudinal direction; and an anchoring device for longitudinally locking the well tool to a bore including a lock groove. The anchoring device includes: a first ring arranged radially outside the mandrel; a second ring arranged radially outside th...