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:
Feb. 02, 2016
Filed:
Mar. 15, 2013
Applicant:
S.p.c.m. SA, Andrezieux Boutheon, FR;
Inventors:
Cédrick Favero, Saint Romain Le Puy, FR;
Nicolas Gaillard, Saint-Etienne, FR;
Assignee:
S.P.C.M. SA, Andrezieux Boutheon, FR;
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); E21B 43/26 (2006.01); C09K 8/80 (2006.01); C09K 8/88 (2006.01);
U.S. Cl.
CPC ...
C09K 8/68 (2013.01); C09K 8/80 (2013.01); C09K 8/882 (2013.01); E21B 43/26 (2013.01);
Abstract
Fracturing fluid comprising, in solution in water, a proppant and an associative amphoteric polymer, the said polymer having a molecular weight of at least 1 000 000 g/mol and comprising: