US Patent Issued to ARCHER OILTOOLS AS on Jan. 20 for "Spear and packer tool, an assembly comprising said tool, and a method for using said tool and said assembly" (Norwegian Inventor)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,279, issued on Jan. 20, was assigned to ARCHER OILTOOLS AS (Stavanger, Norway).

"Spear and packer tool, an assembly comprising said tool, and a method for using said tool and said assembly" was invented by Arve Byberg (Klepp Stasjon, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spear and packer tool is arranged for being conveyed on a drill pipe string. The tool has a mandrel having a through bore, a spear anchor mechanism configured to grip a section of casing in a wellbore for removal therefrom, the spear anchor mechanism being arranged to be set by differential pressure, said spear anchor mechanism being rotational relative to the mand...