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:
Apr. 06, 2021
Filed:
Sep. 20, 2019
Applicant:
Baker Hughes, a GE Company, Llc, Houston, TX (US);
Inventor:
Carlos M. Menendez, Houston, TX (US);
Assignee:
Baker Hughes Holdings LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F 11/14 (2006.01); C23F 11/12 (2006.01); C23F 11/18 (2006.01); C09K 8/54 (2006.01);
U.S. Cl.
CPC ...
C23F 11/149 (2013.01); C23F 11/124 (2013.01); C23F 11/181 (2013.01); C09K 8/54 (2013.01);
Abstract
An organic blend chemical additive comprising more than 50 wt. % organic solvent (e.g. methanol and/or ethylene glycol), less than 10 wt. % water, a nitrate salt, a maleic acid copolymer, and optionally an imidazoline may be delivered to a production well through a conduit having a stainless steel and corrosion resistant metal alloy surface, such as a capillary string or an umbilical tubing, the organic blend chemical additive being shown to be useful in inhibiting localized corrosion of and improving the repassivation of the equipment or conduit.