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:
May. 18, 2021
Filed:
Mar. 09, 2018
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Amr I. Abdel-Fattah, Dhahran, SA;
Dmitry Kosynkin, Dhahran, SA;
Mohammad Alaskar, Khobar, SA;
Ayrat Gizzatov, Cambridge, MA (US);
Shannon Lee Eichmann, Somerville, MA (US);
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/584 (2006.01); E21B 43/16 (2006.01); C09K 8/60 (2006.01);
U.S. Cl.
CPC ...
C09K 8/584 (2013.01); C09K 8/602 (2013.01); E21B 43/16 (2013.01); C09K 2208/06 (2013.01); C09K 2208/10 (2013.01);
Abstract
Disclosed here compositions and methods suitable for injection of a nanosurfactant-containing fluid into a hydrocarbon-bearing formation for enhanced recovery operations. Embodiments of the composition contain a petroleum sulfonate surfactant, mineral oil, and a zwitterionic co-surfactant.