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. 27, 2020
Filed:
Jan. 22, 2018
Applicants:
Shiv Shankar Sangaru, Odisha, IN;
Prahlad Yadav, The Woodlands, TX (US);
Inventors:
Shiv Shankar Sangaru, Odisha, IN;
Prahlad Yadav, The Woodlands, TX (US);
Assignee:
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); C09K 8/60 (2006.01); C09K 8/66 (2006.01);
U.S. Cl.
CPC ...
C09K 8/68 (2013.01); C09K 8/604 (2013.01); C09K 8/665 (2013.01); C09K 2208/30 (2013.01);
Abstract
A viscoelastic surfactant treatment fluid comprises an aqueous base fluid an inorganic salt, the inorganic salt being present in an amount of greater than about 5 wt. % based on the total weight of the treatment fluid; a viscoelastic surfactant gelling agent effective to gel the aqueous base fluid by forming a plurality of micelles; and a cationic polymer additive associated with the micelles via electrostatic interactions.