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.

Date of Patent:
Jul. 19, 2022

Filed:

Apr. 30, 2019
Applicants:

Conocophilips Company, Houston, TX (US);

University of Kansas, Lawrence, KS (US);

Inventors:

Huili Guan, Lawrence, KS (US);

Cory Berkland, Lawrence, KS (US);

Ahmad Moradi-Araghi, Tulsa, OK (US);

Jenn-Tai Liang, College Station, TX (US);

David R. Zornes, Edmond, OK (US);

Riley B Needham, Bartlesville, TX (US);

James H. Hedges, Bartlesville, OK (US);

Min Cheng, Bartlesville, OK (US);

James P. Johnson, Bartlesville, OK (US);

Faye L. Scully, Bartlesville, OK (US);

Assignees:

CONOCOPHILLIPS COMPANY, Houston, TX (US);

UNIVERSITY OF KANSAS, Lawrence, KS (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/588 (2006.01); C09K 8/88 (2006.01); C09K 8/92 (2006.01); E21B 33/138 (2006.01);
U.S. Cl.
CPC ...
C09K 8/588 (2013.01); C09K 8/88 (2013.01); C09K 8/887 (2013.01); C09K 8/92 (2013.01); E21B 33/138 (2013.01);
Abstract

The invention is directed to delayed gelation agents comprising a degradable polymeric cage containing therein one or more gelation agents. The cage degrades in situ, e.g, in an oil reservoir, thus releasing the gelation agent(s), which can then crosslink second polymers in situ to form a gel.


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