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:
Oct. 07, 2014
Filed:
Dec. 21, 2009
Applicants:
Alhad Phatak, Houston, TX (US);
Michael D. Parris, Richmond, TX (US);
Inventors:
Alhad Phatak, Houston, TX (US);
Michael D. Parris, Richmond, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); C09K 8/72 (2006.01); C09K 8/10 (2006.01); C23F 11/18 (2006.01); E21B 43/26 (2006.01); C09K 8/90 (2006.01); C09K 8/512 (2006.01); C09K 8/08 (2006.01); C09K 8/575 (2006.01); C09K 8/88 (2006.01);
U.S. Cl.
CPC ...
C09K 8/90 (2013.01); C09K 8/685 (2013.01); C09K 8/512 (2013.01); C09K 8/08 (2013.01); C09K 8/5756 (2013.01); C09K 8/887 (2013.01);
Abstract
The invention discloses a method of treating a wellbore by providing an aqueous mixture of a hydrated polysaccharide with a salt; adding to the mixture a cross-linking agent for cross-linking the hydrated polysaccharide, wherein the cross-linking agent comprises a zirconium compound, glutamic acid, and a polyol; pumping the aqueous mixture of the hydrated polysaccharide and the cross-linking agent into the wellbore; and cross-linking the hydrated polysaccharide.