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:
Oct. 09, 2018
Filed:
Oct. 29, 2015
Applicant:
Jacam Chemical Company 2013, Llc, Sterling, KS (US);
Inventors:
Assignee:
CES TECHNOLOGY S.À R.L., Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/06 (2006.01); C09K 8/54 (2006.01); E21B 41/02 (2006.01); C23F 11/06 (2006.01); C23F 11/12 (2006.01); C23F 11/14 (2006.01); C23F 11/167 (2006.01);
U.S. Cl.
CPC ...
E21B 41/02 (2013.01); C09K 8/54 (2013.01); C23F 11/06 (2013.01); C23F 11/124 (2013.01); C23F 11/141 (2013.01); C23F 11/1676 (2013.01); C09K 2208/32 (2013.01);
Abstract
Improved corrosion inhibitors for well brines include a phosphonate or salts thereof, and a gluconic acid or salts thereof. The inhibitors are normally injected downhole into the brines. The most preferred phosphonates are amine polyphosphonates, used in combination with alkali metal salts of gluconic acid.