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:
Jan. 02, 2024
Filed:
Sep. 01, 2017
Applicant:
Kemira Oyj, Helsinki, FI;
Inventor:
Roopa Tellakula, Suwanee, GA (US);
Assignee:
KEMIRA OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/64 (2006.01); C09K 8/68 (2006.01); C09K 8/88 (2006.01); C09K 8/60 (2006.01); C09K 8/80 (2006.01); E21B 43/16 (2006.01); E21B 43/26 (2006.01); E21B 43/267 (2006.01);
U.S. Cl.
CPC ...
C09K 8/64 (2013.01); C09K 8/604 (2013.01); C09K 8/68 (2013.01); C09K 8/80 (2013.01); C09K 8/882 (2013.01); E21B 43/16 (2013.01); E21B 43/26 (2013.01); C09K 2208/28 (2013.01); E21B 43/267 (2013.01);
Abstract
Emulsions, treatment fluids and methods for treating subterranean formations are provided, wherein the emulsions comprise water, a water-immiscible liquid, one or more polymers, and an inverting surfactant composition comprising one or more surfactants selected from the group consisting of ethoxylated amine compounds, ethoxylated fatty acid compounds, and alkyl polyethyleneglycol ether carboxylic acid compounds, alkyl polyglycol ether carboxylic acid compounds, and salts or esters thereof. The emulsions are particularly suitable for use in brine.