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:
May. 27, 2025

Filed:

Mar. 18, 2022
Applicant:

Vulcan Completion Products Uk Limited, Aberdeen, GB;

Inventors:

Ian Kirk, Aberdeen, GB;

Andrew Kirk, Aberdeen, GB;

Nathan Kirk, Aberdeen, GB;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
E21B 17/1078 (2013.01);
Abstract

A centraliser () for use in centralising tubing () in a bore (W) comprises a first end collar (), a second end collar () and a number of elongate strut members (). The strut members () are interposed between the first end collar () and the second end collar () and are circumferentially arranged and spaced around the first end collar () and second end collar (). The strut members () have angled wing portions (). The centraliser () comprises a retaining arrangement () for holding the strut members (), which comprises a retainer member () extending circumferentially between and disposed through the strut members (). The centraliser () comprises a release arrangement () configured to release the retaining arrangement () and permit the strut members () to move between radially retracted and radially extended positions.


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