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. 20, 2022
Filed:
Sep. 29, 2020
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Assignee:
Saudi Arabian Oil Company, Dhahran, SA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/594 (2006.01); E21B 43/16 (2006.01); C09K 8/584 (2006.01); C09K 8/588 (2006.01);
U.S. Cl.
CPC ...
C09K 8/594 (2013.01); C09K 8/584 (2013.01); C09K 8/588 (2013.01); E21B 43/16 (2013.01);
Abstract
A surfactant foam for enhanced oil recovery (EOR) gas injection that includes a surfactant andgel. The surfactant may be a methanol surface active agent foamer. The surfactant foam may be generated in-situ from an injected gas (such as air or nitrogen), water (such as seawater), a surfactant, andgel. A process for enhancing oil recovery in a hydrocarbon reservoir using the surfactant foam and for manufacturing the foam are also provided.