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:
Aug. 17, 2021

Filed:

Oct. 05, 2018
Applicant:

Petróleo Brasileiro S.a.—petrobras, Rio de Janeiro, BR;

Inventors:

Roberto Rodrigues, Rio de Janeiro, BR;

Carlos Alberto Bandeira Ribeiro Cardoso, Rio de Janeiro, BR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/013 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
E21B 43/166 (2013.01); E21B 43/013 (2013.01);
Abstract

A system for pressurization of an underwater oil reservoir by independent injection of water and gas comprise: at least first and second underwater injection wells, wherein at least one of the first and second underwater injection wells is linked to a production unit by means of an individual underwater line; and at least two jumpers: a first jumper hydraulically connecting a wet Christmas tree of the first underwater injection well to a wet Christmas tree of the second underwater injection well, and a second jumper hydraulically the wet Christmas tree of the second underwater injection well to the wet Christmas tree of the first underwater injection well.


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