The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 2026
Filed:
May. 02, 2022
Archer Oiltools As, Stavanger, NO;
Kurt Luis Krogsæter, Nesttun, NO;
Jan-Ove Fagna, Tertnes, NO;
Atle Løland, Bryne, NO;
Bjørn Tore Torvestad, Stavanger, NO;
ARCHER OILTOOLS AS, Stavanger, NO;
Abstract
An axial position-controlled operation toolstring for conducting an axial position-controlled operation in a well includes from below and up: a casing cutter tool including knives; a tag sub with dogs arranged for landing on a protrusion in said well; a pipe spear; and a drill pipe string. The knives of the casing cutter tool are spaced out a predetermined initial distance below the dogs of the tag sub. The dogs are arranged for being collapsible by weight loading against the protrusion. A method includes using the toolstring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile