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:
Apr. 24, 2012
Filed:
May. 26, 2009
Applicants:
Donald Getzlaf, Calgary, CA;
Marty Stromquist, Calgary, CA;
Inventors:
Donald Getzlaf, Calgary, CA;
Marty Stromquist, Calgary, CA;
Assignee:
Cemblend Systems, Inc., Calgary, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/528 (2006.01); C09K 8/74 (2006.01); E21B 43/00 (2006.01); E21B 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cement composition and method of applying remedial cement to a downhole perforation is described. The method involves the sequential delivery of a phosphate acid activator and a silicate suspension to the perforation to allow in situ reaction of the activator with the binder within the perforation, thereby forming a phosphosilicate plug.