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:
May. 19, 2020

Filed:

Jun. 30, 2016
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Vijaya Kumar Patnana, Madhurwada, IN;

Sairam Eluru, Pune, IN;

Enrique Antonio Reyes, Tomball, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/86 (2006.01); E21B 43/26 (2006.01); E21B 43/22 (2006.01); C09K 8/506 (2006.01); C09K 8/76 (2006.01);
U.S. Cl.
CPC ...
C09K 8/86 (2013.01); C09K 8/506 (2013.01); C09K 8/76 (2013.01); E21B 43/26 (2013.01); C09K 2208/30 (2013.01);
Abstract

Method comprising introducing a treatment fluid into a subterranean formation, the treatment fluid comprising a pseudo-crosslinking agent and an acidic viscoelastic surfactant (AVS) base fluid, wherein the treatment fluid has a pH of less than 5. The AVS base fluid includes a zwitterionic viscoelastic surfactant, an acidic constituent, and a polar solvent and the zwitterionic viscoelastic surfactant is present in an amount in the range of from about 0.001% to about 15% by weight of active surfactant of the AVS base fluid. The treatment fluid performs a subterranean formation operation.


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