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:
Jul. 12, 2022
Filed:
Oct. 26, 2020
Applicants:
Conocophillips Company, Houston, TX (US);
University of Kansas, Lawrence, KS (US);
Inventors:
Huili Guan, Lawrence, KS (US);
Cory Berkland, Lawrence, KS (US);
Ahmad Moradi-Araghi, Bixby, OK (US);
Jenn-Tai Liang, College Station, TX (US);
Terry M. Christian, Bartlesville, OK (US);
Riley B. Needham, Bartlesville, OK (US);
Min Cheng, Bartlesville, OK (US);
Assignee:
CONOCOPHILLIPS COMPANY, Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/588 (2006.01); C09K 8/50 (2006.01); C09K 8/512 (2006.01);
U.S. Cl.
CPC ...
C09K 8/588 (2013.01); C09K 8/50 (2013.01); C09K 8/512 (2013.01);
Abstract
The disclosure is directed to methods and compositions delaying the gelation of polymers in water flooding by sequentially or co-injecting a carboxylate-containing polymer solution, a gel-delaying polymer, and gelation agent into a hydrocarbon reservoir. Delays of weeks are observed.