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. 06, 2015
Filed:
Feb. 22, 2013
Applicant:
Kemira Chemicals Inc., Kennesaw, GA (US);
Inventors:
Carolina Hanna Matilda Anderson, Angelholm, SE;
Mona Ezzelarab, Lund, SE;
Cecilla Eva Maria Johansson, Helsingborg, SE;
Carl Wilhelm Aften, Marietta, GA (US);
Walter Philip Watson, Kennesaw, GA (US);
Richard Anthony Lalama, Canton, GA (US);
Geoffrey Allen Monteith, Midland, GA (US);
Frank Schinkel, Hamburg, DE;
Assignee:
Kemira Chemicals Inc., Kennesaw, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/80 (2006.01); C09K 8/68 (2006.01); C01B 15/10 (2006.01); C09K 8/70 (2006.01); C09K 8/92 (2006.01); C02F 1/72 (2006.01); C02F 103/10 (2006.01);
U.S. Cl.
CPC ...
C09K 8/685 (2013.01); C01B 15/103 (2013.01); C01B 15/106 (2013.01); C09K 8/68 (2013.01); C09K 8/706 (2013.01); C09K 8/80 (2013.01); C09K 8/92 (2013.01); C02F 1/722 (2013.01); C02F 2103/10 (2013.01); C02F 2209/09 (2013.01); C02F 2305/14 (2013.01); C09K 2208/26 (2013.01); Y10T 428/2991 (2015.01); Y10T 428/2993 (2015.01);
Abstract
A well treatment fluid and method of use includes water, at least one hydratable polymer, an optional crosslinking agent, and a delayed release percarbonate formulation effective to reduce initial viscosity of the fluid after a period of time. Also disclosed are processes for fracturing a subterranean formation.