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. 19, 2025
Filed:
Aug. 11, 2021
Applicant:
Poweltec, Rueil Malmaison, FR;
Inventors:
Alain Zaitoun, Rueil Malmaison, FR;
Nazanin Salehi, Rueil Malmaison, FR;
Jérôme Bouillot, Rueil Malmaison, FR;
Arnaud Templier, Rueil Malmaison, FR;
Nicolas Gaillard, Rueil Malmaison, FR;
Assignee:
POWELTEC, Rueil Malmaison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/575 (2006.01); C08F 220/56 (2006.01); E21B 33/138 (2006.01);
U.S. Cl.
CPC ...
C09K 8/5753 (2013.01); C08F 220/56 (2013.01); E21B 33/138 (2013.01);
Abstract
A method for limiting and/or preventing the migration of fines in a geological formation, in particular a subterranean formation, the method including bringing the formation into contact with one or more copolymers including at most 40 mol % of repeating units derived from a cationic monomer.