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.

Date of Patent:
Aug. 08, 2023

Filed:

Mar. 02, 2022
Applicant:

Interwell Norway As, Hafrsfjord, NO;

Inventors:

Espen Hiorth, Trondheim, NO;

Stig Ove Bjørgum, Voss, NO;

Assignee:

Interwell Norway AS, Hafrsfjord, NO;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/06 (2006.01); E21B 33/12 (2006.01); E21B 34/14 (2006.01); E21B 34/10 (2006.01);
U.S. Cl.
CPC ...
E21B 34/063 (2013.01); E21B 33/1208 (2013.01); E21B 34/10 (2013.01); E21B 34/103 (2013.01); E21B 34/14 (2013.01); E21B 2200/06 (2020.05);
Abstract

A well tool device includes a housing having an axial through bore; a sleeve section releasably connected to the housing in the axial through bore, wherein the sleeve section comprises an axial bore; a frangible disc provided in the axial bore of the sleeve section in sealing engagement with the sleeve section. The sleeve section is axially displaceable within the axial through bore between a first position and a second position. The well tool device includes a first supporting sleeve fixed to the housing in the axial through bore and a second supporting sleeve provided radially inside of, and releasably connected to, the first supporting sleeve. The first supporting sleeve includes an upwardly facing surface configured to support a lower end of the sleeve section when the sleeve section is in the second position.


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