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:
Apr. 05, 2022

Filed:

Jun. 13, 2018
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

The present invention relates to a well tool device () comprising a housing () having an axial through bore (). A sleeve section () is releasably connected to the housing () in the through bore (). The sleeve section () comprises an axial bore () and a frangible disc () provided in the bore () of the sleeve section () in sealing engagement with the sleeve section (). The sleeve section () is axially displaceable within the bore () between a first position (P) and a second position (P). The housing () comprises an axial bypass fluid passage () provided axially between a first location (L) above the sleeve section () to a second location (L) below the sleeve section () when the sleeve section () is in the first position (P). The axial bypass fluid passage () is provided radially between the sleeve section () and the housing () when the sleeve section () is in the first position (P). The well tool device () comprises a sealing device () provided radially between the sleeve section () and the housing () when the sleeve section () is in the second position (P).


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