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.:
Date of Patent:
Mar. 22, 2022
Filed:
Dec. 17, 2018
Applicant:
Acergy France Sas, Suresnes, FR;
Inventors:
Olivier Lodeho, Paris, FR;
Alexis Wegner, Paris, FR;
Assignee:
Acergy France SAS, Suresnes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 59/07 (2006.01); E21B 17/01 (2006.01); E21B 36/00 (2006.01); F16L 9/18 (2006.01); E21B 33/13 (2006.01); E21B 43/01 (2006.01);
U.S. Cl.
CPC ...
F16L 59/07 (2013.01); E21B 17/01 (2013.01); E21B 33/13 (2013.01); E21B 36/003 (2013.01); E21B 43/01 (2013.01); F16L 9/18 (2013.01);
Abstract
A pipe-in-pipe section comprises an inner pipe spaced within an outer pipe to define an annulus between the inner and outer pipes. The annulus contains a solid insulating material, which may be a microporous aerogel, and an inert gas such as krypton at near-atmospheric pressure.