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:
May. 06, 2025
Filed:
Mar. 10, 2022
Applicant:
Interwell P&a As, Hafrsfjord, NO;
Inventors:
Torgeir Rusten, Vikhammer, NO;
Stian Tøndel, Trondheim, NO;
Assignee:
INTERWELL P&A AS, Hafrsfjord, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2005.12); E21B 36/00 (2005.12);
U.S. Cl.
CPC ...
E21B 36/008 (2012.12); E21B 33/1204 (2012.12);
Abstract
The present invention relates to a well tool system for forming a permanent barrier in a well, the system comprising: a well tool device comprising a pyrotechnic mixture and an ignition device provided within or adjacent to the pyrotechnic mixture; a tool string connected above the well tool device; and a replenishment string connected between the well tool device and tool string. The replenishment string comprises pyrotechnic mixture. The elevating device is configured to control the movement of the replenishment string towards a heat generating process started by means of the ignition device.