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:
Dec. 08, 2015
Filed:
Feb. 04, 2011
Applicants:
Kewei Zhang, Calgary, CA;
Scott Sherman, Blackie, CA;
Inventors:
Kewei Zhang, Calgary, CA;
Scott Sherman, Blackie, CA;
Assignee:
TRICAN WELL SERVICE LTD., Alberta, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); E21B 21/00 (2006.01); C09K 8/70 (2006.01);
U.S. Cl.
CPC ...
E21B 21/003 (2013.01); C09K 8/70 (2013.01); E21B 43/261 (2013.01);
Abstract
Compositions, apparatuses and methods for isolating target zones for hydraulic fracturing, in particular, the use of smart fluids (i.e., magnetorheological fluids) to isolate target zones for fracturing by inducing an electromagnetic field to increase the viscosity of the fluids to form packers or plugs in the annulus of the wellbore and to isolate the target zone are disclosed.