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:
May. 24, 2022
Filed:
Dec. 30, 2014
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Jiang Li, Johns Creek, GA (US);
Roopa Tellakula, Suwanee, GA (US);
Scott Rosencrance, Douglasville, GA (US);
Assignee:
KEMIRA OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); C09K 8/88 (2006.01); E21B 43/26 (2006.01); E21B 43/267 (2006.01);
U.S. Cl.
CPC ...
C09K 8/685 (2013.01); C09K 8/887 (2013.01); E21B 43/26 (2013.01); E21B 43/267 (2013.01); C09K 2208/24 (2013.01); C09K 2208/26 (2013.01);
Abstract
Well treatment fluids, and methods for treating wellbores or fracturing subterranean formations, which include acrylamide polymer or copolymer crosslinked with one or more crosslinkers and one or more iron-containing compounds are provided. The fluids and methods may be used to carry proppants into fractures and to increase fluid recovery in hydraulic fracturing applications