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. 05, 2026
Filed:
Dec. 21, 2022
Totalenergies E&p Research & Technology Usa, Llc, Houston, TX (US);
Stephane Jouenne, Bizanos, FR;
Alexandra Klimenko, Pau, FR;
Khalid Mateen, Katy, TX (US);
Kun MA, Sugar Land, TX (US);
Haishan Luo, Houston, TX (US);
TotalEnergies E&P Research & Technology USA, LLC, Houston, TX (US);
Abstract
A method for performing a polymer flood of a hydrocarbon-bearing, subterranean reservoir. The method includes injecting a polymer solution from an injection well () into the subterranean reservoir to form a polymer slug in the subterranean reservoir, wherein the polymer slug has a leading front and a trailing rear (), and a graded viscosity profile which decreases in viscosity from the front of the polymer slug to the rear of the polymer slug. The method additionally includes injecting an aqueous solution () from the injection well into the subterranean reservoir following to displace the polymer slug through the subterranean reservoir.