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:
Oct. 16, 2018

Filed:

Apr. 11, 2014
Applicant:

Welltec A/s, Allerød, DK;

Inventors:

Jørgen Hallundbæk, Græsted, DK;

Ricardo Reves Vasques, Holte, DK;

Ivan Sciera Jensen, Hellerup, DK;

Dean Richard Massey, Copenhagen K, DK;

Lars Stæhr, Glostrup, DK;

Assignee:

Welltec A/S, Allerød, DK;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 33/129 (2006.01); E21B 43/10 (2006.01);
U.S. Cl.
CPC ...
E21B 43/108 (2013.01); E21B 33/12 (2013.01); E21B 33/129 (2013.01); E21B 43/103 (2013.01);
Abstract

The present invention relates to a downhole expandable tubular to be expanded in a well downhole from a first outer diameter to a second outer diameter to abut against an inner face of a casing or borehole, the downhole expandable tubular having an axial extension, wherein the downhole expandable tubular is made of metal and is machined from one metal tubular blank, providing the downhole expandable tubular with at least one circumferential projection. Furthermore, the present invention relates to an annular barrier, to a downhole completion comprising a downhole expandable tubular according to the present invention, to a downhole completion comprising a well tubular structure and an annular barrier according to the present invention and to a manufacturing method for the manufacture of the downhole expandable tubular according to the present invention.


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