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:
Jul. 23, 2024
Filed:
Nov. 17, 2022
Applicant:
Petróleo Brasileiro S.a.—petrobras, Rio de Janeiro, BR;
Inventor:
Mario Germino Ferreira Da Silva, Rio de Janeiro, BR;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); E21B 41/02 (2006.01);
U.S. Cl.
CPC ...
E21B 43/122 (2013.01); E21B 41/02 (2013.01);
Abstract
The invention discloses a chemical injection system adapted inside of the gas lift mandrel, such scale inhibitor injection system being intended to protect the chemical injection valve as well as the check valves and will also prevent scale deposition on the column above the gas lift mandrel due to dehydration caused by dry gas.