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:
Aug. 03, 2021
Filed:
Aug. 11, 2020
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Ayrat Gizzatov, Cambridge, MA (US);
Shehab Alzobaidi, Cambridge, MA (US);
Amr Abdel-Fattah, Dhahran, SA;
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/16 (2006.01); C09K 8/594 (2006.01); C09K 8/584 (2006.01);
U.S. Cl.
CPC ...
C09K 8/594 (2013.01); C09K 8/584 (2013.01); E21B 43/164 (2013.01); E21B 43/166 (2013.01);
Abstract
Embodiments of the disclosure provide compositions and methods suitable for injection of a nanosurfactant-based foam composition into a hydrocarbon-bearing formation for enhanced recovery operations. The nanosurfactant-based foam composition includes a gaseous component and nanoassemblies. The nanoassemblies contain a petroleum sulfonate surfactant, mineral oil, and a zwitterionic co-surfactant.