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:
Jan. 03, 2012

Filed:

Sep. 16, 2005
Applicants:

Harold G. Walters, Duncan, OK (US);

Billy F. Slabaugh, Duncan, OK (US);

Jason Bryant, Duncan, OK (US);

Inventors:

Harold G. Walters, Duncan, OK (US);

Billy F. Slabaugh, Duncan, OK (US);

Jason Bryant, Duncan, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); C09K 8/588 (2006.01);
U.S. Cl.
CPC ...
Abstract

Treatment fluids comprising gelling agents that comprise crosslinkable polymers and certain biopolymers, and methods of use in subterranean operations, are provided. In one embodiment, the present invention provides a treatment fluid comprising: an aqueous base fluid; a crosslinking agent; and a gelling agent comprising a polymer that is a crosslinkable polymer, and a polymer that is a biopolymer wherein a molecule of the biopolymer (1) consists only of glucose, or (2) has a backbone comprising one or more units that comprise at least (a) one glucose unit and (b) one linear or cyclic pyranose-type monosaccharide unit, wherein (a) and (b) have different molecular structures.


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