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. 25, 2023

Filed:

Feb. 09, 2021
Applicant:

Saipem S.a., Montigny le Bretonneux, FR;

Inventors:

Stéphanie Abrand, Villiers Saint Frederic, FR;

Stéphane Anres, Saint Cyr l'Ecole, FR;

Lionel Macauley, Paris, FR;

Assignee:

SAIPEM S.A., Montigny le Bretonneux, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/038 (2006.01); E21B 33/037 (2006.01); E21B 43/013 (2006.01); E21B 41/00 (2006.01); E21B 43/01 (2006.01);
U.S. Cl.
CPC ...
E21B 33/038 (2013.01); E21B 33/037 (2013.01); E21B 41/0007 (2013.01); E21B 43/01 (2013.01); E21B 43/013 (2013.01);
Abstract

Installation for producing fluid such as crude oil having a floating support having at least two tanks, an undersea bottom-to-surface connection pipe having a first pipe portion on the sea bottom from a well head to the bottom end of a second pipe portion at the floating support, a first auxiliary pipe for transporting gas extending from the floating support to the bottom end of the second pipe, and a plurality of valves for isolating or putting into communication the first auxiliary pipe, for isolating or putting into communication the first production pipe portion and the second production pipe portion, end to end, and suitable for isolating or putting into communication the proximal end of the first production pipe portion and the bottom end either of a fourth auxiliary pipe rising directly to the surface, or a bottom portion of the first auxiliary pipe.


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