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:
Jul. 11, 2017
Filed:
Jan. 03, 2014
Applicants:
Basf SE, Ludwigshafen, DE;
Basf Corporation, Florham Park, NJ (US);
Inventors:
Vandana Kurkal-Siebert, Heidelberg, DE;
Jack Tinsley, Houston, TX (US);
Tanhee Galindo, Spring, TX (US);
Rimassa Shawn, Katy, TX (US);
Assignees:
BASF SE, Ludwigshafen, DE;
BASF Corporation, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); C09K 8/68 (2006.01); C09K 8/80 (2006.01); E21B 43/267 (2006.01); C09K 8/86 (2006.01);
U.S. Cl.
CPC ...
C09K 8/68 (2013.01); C09K 8/80 (2013.01); C09K 8/86 (2013.01); E21B 43/26 (2013.01); E21B 43/267 (2013.01);
Abstract
Method of fracturing subterranean formations using aqueous compositions comprising at least an aqueous base fluid, proppants, a viscosifier, at least one flowback aid and removing at least a portion of the aqueous fracturing fluid from the formation after fracturing. The flowback aid is selected from the group of alkyl or alkenyl polyglucosides, carboxylated alkyl or alkenyl polyglucosides and alkoxylated branched alcohols.