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.

Date of Patent:
Apr. 02, 2013

Filed:

May. 20, 2010
Applicants:

Paul D. Lord, Duncan, OK (US);

Ivan Suleiman, Duncan, OK (US);

John M. Terracina, Duncan, OK (US);

Rajendra A. Kalgaonkar, Pune, IN;

Inventors:

Paul D. Lord, Duncan, OK (US);

Ivan Suleiman, Duncan, OK (US);

John M. Terracina, Duncan, OK (US);

Rajendra A. Kalgaonkar, Pune, IN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/22 (2006.01); E21B 43/26 (2006.01); C09K 8/62 (2006.01); C09K 8/90 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method comprises providing a treatment fluid comprising a gelling agent, an aqueous base fluid, a buffer composition comprising a plurality of salts, and a crosslinking agent; and contacting a subterranean formation with the treatment fluid. The aqueous base fluid is preferably seawater and the buffer composition includes one or more salts present in the treatment fluid from about 1 to about 1000 pounds per gallon of treatment fluid.


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