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:
Mar. 17, 2015
Filed:
Dec. 08, 2008
Applicants:
Brian B. Beall, Spring, TX (US);
Richard S. Wheeler, Crosby, TX (US);
D V Satyanarayana Gupta, The Woodlands, TX (US);
Inventors:
Brian B. Beall, Spring, TX (US);
Richard S. Wheeler, Crosby, TX (US);
D V Satyanarayana Gupta, The Woodlands, TX (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); C09K 8/12 (2006.01); C09K 8/76 (2006.01);
U.S. Cl.
CPC ...
C09K 8/68 (2013.01); C09K 8/12 (2013.01); C09K 8/76 (2013.01); C09K 2208/30 (2013.01);
Abstract
Methods and compositions of treating formations using viscoelastic treatment fluids are provided that reduce the amount of fluid loss to the formations due to the lack of polymer backbone in the viscoelastic treatment fluids. The methods and compositions of treating formations include a fluid loss additive that includes a copolymer that includes a hydrophilic monomeric unit and a first anchoring monomeric unit.