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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.:

US 10513896 B1

PDFFull Text
Date of Patent:
Dec. 24, 2019

Filed:

Nov. 09, 2015

Method of installing an unbonded flexible pipe

Applicant:

National Oilwell Varco Denmark I/s, Brondby, DK;

Inventors:

Jonas Gudme, Humlebaek, DK;

Adam Rubin, Smorum, DK;

Marie Haahr, Allerod, DK;

Assignee:

NATIONAL OILWELL VARCO DENMARK I/S, Brondby, DK;

Attorney:

Pearne & Gordon LLP

Primary Examiner:

Giovanna C Wright

Assistant Examiner:

Yanick A Akaragwe

Int. Cl.
CPC ...
E21B 17/01 (2006.01); E21B 19/22 (2006.01); C23F 13/00 (2006.01); F16L 58/00 (2006.01); F16L 11/08 (2006.01); F16L 1/15 (2006.01); F16L 11/20 (2006.01); F16L 11/04 (2006.01);
U.S. Cl.
CPC ...
E21B 19/22 (2013.01); C23F 13/00 (2013.01); E21B 17/01 (2013.01); F16L 1/15 (2013.01); F16L 11/081 (2013.01); F16L 11/083 (2013.01); F16L 11/20 (2013.01); F16L 58/00 (2013.01); C23F 2213/22 (2013.01); C23F 2213/31 (2013.01); C23F 2213/32 (2013.01); F16L 2011/047 (2013.01);
Abstract

The present invention relates to a method of installing an unbonded flexible pipe with a bore for transportation of fluid wherein the unbonded flexible pipe comprises an outer sheath, an inner sealing sheath inside the outer polymer sheath, an annulus between said outer sheath and said inner sealing sheath and at least one metallic armor layer comprising iron located in said annulus, wherein the method comprises filling at least a part of the annulus with a corrosion promoting liquid before or after installing the unbonded flexible pipe between a first installation and a second installation.

Find Patent Forward Citations

Gudme, Jonas. (2019). Method of installing an unbonded flexible pipe (U.S. Patent No. 10513896). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10513896

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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