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:
Dec. 22, 2015

Filed:

Jul. 09, 2010
Applicants:

D. V. Satyanarayana Gupta, The Woodlands, TX (US);

Kay Elaine Cawiezel, Fullshear, TX (US);

Rupa Venugopal, Katy, TX (US);

Tanhee Ary Galindo, Spring, TX (US);

Inventors:

D. V. Satyanarayana Gupta, The Woodlands, TX (US);

Kay Elaine Cawiezel, Fullshear, TX (US);

Rupa Venugopal, Katy, TX (US);

Tanhee Ary Galindo, Spring, TX (US);

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); C09K 8/88 (2006.01);
U.S. Cl.
CPC ...
C09K 8/685 (2013.01); C09K 8/882 (2013.01); C09K 8/887 (2013.01);
Abstract

A well servicing fluid is formulated with ingredients comprising a viscosifying polymer that is a crosslinked copolymer of an ethylenically unsaturated dicarboxylic anhydride and an alkyl vinyl ether, or the di-acid thereof; a pH adjuster capable of maintaining a pH of 5.5 or greater; and a solvent. Methods include treating a well formation with the wellbore servicing fluid and methods also include making the wellbore servicing fluid.


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