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:
Nov. 09, 2021
Filed:
Oct. 03, 2014
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Arnaud Cadix, Saint-Ouen, FR;
David James Wilson, Coye la Foret, FR;
Assignee:
RHODIA OPERATIONS, Aubervilliers, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/14 (2006.01); C04B 24/26 (2006.01); C09K 8/487 (2006.01); C09K 8/62 (2006.01); C09K 8/035 (2006.01); C09K 8/84 (2006.01); C09K 8/50 (2006.01); C09K 8/88 (2006.01); C08L 53/00 (2006.01); C04B 28/02 (2006.01); C04B 20/10 (2006.01); C08F 293/00 (2006.01); C04B 103/46 (2006.01); C08F 220/06 (2006.01);
U.S. Cl.
CPC ...
C04B 24/2688 (2013.01); C04B 20/1033 (2013.01); C04B 28/02 (2013.01); C08F 293/005 (2013.01); C08L 53/00 (2013.01); C09K 8/035 (2013.01); C09K 8/487 (2013.01); C09K 8/50 (2013.01); C09K 8/62 (2013.01); C09K 8/845 (2013.01); C09K 8/882 (2013.01); E21B 33/14 (2013.01); C04B 2103/46 (2013.01); C08F 220/06 (2013.01); C08F 2438/03 (2013.01);
Abstract
The present invention relates to the use of a block polymer as fluid loss control agent in a fluid injected under pressure into an oil-bearing rock, where: