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. 24, 2020
Filed:
May. 25, 2017
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Rose Ndong, Plainsboro, NJ (US);
Juliette Triquet, Bois-Colombes, FR;
Genyao Lin, Pittsburgh, PA (US);
Subramanian Kesavan, East Windsor, NJ (US);
Louis Villafane, Pittsburgh, PA (US);
Jian Zhou, Langhorne, PA (US);
Ahmed Rabie, Willingboro, NJ (US);
Assignee:
RHODIA OPERATIONS, Aubervilliers, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/25 (2006.01); C09K 8/74 (2006.01); C07C 233/36 (2006.01); C07C 309/14 (2006.01); C09K 8/66 (2006.01); C09K 8/72 (2006.01); E21B 41/02 (2006.01);
U.S. Cl.
CPC ...
C09K 8/74 (2013.01); C07C 233/36 (2013.01); C07C 309/14 (2013.01); C09K 8/665 (2013.01); C09K 8/725 (2013.01); E21B 41/02 (2013.01); E21B 43/25 (2013.01);
Abstract
A method of acidizing a formation penetrated by a wellbore that includes the steps of injecting into the wellbore at a pressure below formation fracturing pressure a treatment fluid that includes a gelling fluid including a gelling agent and a hydrophobically-modified associative polymer, and an aqueous acid; and allowing the treatment fluid to acidize the formation.