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:
Sep. 05, 2017
Filed:
Mar. 13, 2014
Applicant:
Chevron U.s.a. Inc., San Ramon, CA (US);
Inventors:
Varadarajan Dwarakanath, Houston, TX (US);
Robert Matthew Dean, Houston, TX (US);
Will S. Slaughter, Houston, TX (US);
Dustin Luke Walker, Katy, TX (US);
Sophany Thach, Houston, TX (US);
Assignee:
CHEVRON U.S.A. INC., San Ramon, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/16 (2006.01); C09K 8/58 (2006.01); C09K 8/03 (2006.01); C09K 8/52 (2006.01);
U.S. Cl.
CPC ...
C09K 8/58 (2013.01); C09K 8/032 (2013.01); C09K 8/52 (2013.01); E21B 43/16 (2013.01);
Abstract
Aspects of the invention relate to compositions and methods that are used for remediation of near-wellbore damage. A specific aspect is a composition comprising an olefin sulfonate, a sulfosuccinate, and a chemical selected from the group consisting of an alcohol alkoxylated sulfate, an alcohol alkoxylated carboxylate, or a combination thereof.