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. 14, 2016
Filed:
Dec. 11, 2012
Applicant:
Calfrac Well Services Ltd., Calgary, CA;
Inventors:
Dwight Bobier, Calgary, CA;
Ronald Pierce, Vancouver, CA;
Assignee:
CALFRAC WELL SERVICES LTD., Calgary, AB, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); C09K 8/60 (2006.01);
U.S. Cl.
CPC ...
C09K 8/68 (2013.01); C09K 8/602 (2013.01);
Abstract
Described is a slickwater fracturing fluid containing base water having up to 300,000 ppm total dissolved solids; a viscosifier; a scale inhibitor; and a surfactant composition. The surfactant composition contains at least one dibasic ester, at least one non-ionic surfactant, at least one terpene or terpene derivative and optionally at least one polyalkylene glycol.