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:
Jul. 12, 2022

Filed:

Sep. 17, 2019
Applicant:

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

Inventors:

Antonio Recio, III, Humble, TX (US);

Gladys Rocio Montenegro-Galindo, Rochester, NY (US);

Paul Ashcraft, Cypress, TX (US);

Hong Sun, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/60 (2006.01); E21B 43/26 (2006.01); C08F 220/56 (2006.01);
U.S. Cl.
CPC ...
C09K 8/604 (2013.01); C08F 220/56 (2013.01); E21B 43/26 (2013.01); C09K 2208/28 (2013.01);
Abstract

Methods for preparing and using invert emulsions and treatment fluids including the invert emulsions are provided herein. In one or more embodiments, the methods of the present disclosure comprise providing an aqueous fluid comprising water and one or more water-soluble monomers; providing an oil-based fluid comprising a solvent and one or more polymerization surfactants, wherein the solvent comprises a linear or branched dibasic ester; combining the aqueous fluid and the oil-based fluid to form an invert emulsion that comprises an aqueous phase comprising the aqueous fluid and an oil phase comprising the oil-based fluid; and polymerizing at least a portion of the one or more water-soluble monomers in the invert emulsion.


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