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:
Apr. 30, 2019
Filed:
Jan. 26, 2017
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Chang Min Jung, North Wales, PA (US);
Lingjuan Shen, Yardley, PA (US);
Jian Zhou, Langhorne, PA (US);
Qi Qu, Spring, TX (US);
Assignee:
RHODIA OPERATIONS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/035 (2006.01); C09K 8/42 (2006.01); C09K 8/528 (2006.01); C09K 8/60 (2006.01); C09K 8/68 (2006.01); C09K 8/74 (2006.01); C09K 8/80 (2006.01); E21B 21/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/035 (2013.01); C09K 8/42 (2013.01); C09K 8/528 (2013.01); C09K 8/602 (2013.01); C09K 8/68 (2013.01); C09K 8/74 (2013.01); C09K 8/80 (2013.01); E21B 21/00 (2013.01); C09K 8/605 (2013.01); C09K 2208/12 (2013.01); C09K 2208/24 (2013.01); C09K 2208/26 (2013.01); C09K 2208/32 (2013.01); C09K 2208/34 (2013.01);
Abstract
Methods of using a clay stabilizing agent to inhibit swelling and/or migration of clay subterranean materials upon exposure to water, wherein the clay stabilizing agent is selected from quaternary ammonium salts according to Formula I, Formula II, Formula III, Formula IV, Formula V, and combinations thereof.