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:
Jun. 29, 2021
Filed:
Jul. 11, 2018
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Assignee:
KEMIRA OYJ, Helsinki, FI;
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/70 (2006.01); C02F 1/68 (2006.01); C02F 103/36 (2006.01); C02F 103/10 (2006.01);
U.S. Cl.
CPC ...
C02F 1/705 (2013.01); C02F 1/68 (2013.01); C02F 2103/10 (2013.01); C02F 2103/365 (2013.01);
Abstract
The present embodiments generally relate to the treatment of produced water such as produced water resulting from an industrial process such as one involving the use of copious amounts of water and the addition of one or more polymers such as viscosifying or thickening polymers, in particular enhanced oil recovery processes or another processes resulting in polymer flooded produced water. These treatment methods include contacting the produced water with one or more reducing agents and one or more metals, wherein said treatment may result in a reduction of the viscosity of said produced water and/or the degradation of polymers which are contained therein.