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:
May. 02, 2017
Filed:
Feb. 12, 2013
Applicant:
Rhodia Operations, Aubervilliers, FR;
Inventors:
Thierry Badel, Lyons, FR;
Arnaud Cadix, Saint-Ouen, FR;
Assignee:
RHODIA OPERATIONS, Aubervilliers, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/68 (2006.01); C09K 8/035 (2006.01); C09K 8/60 (2006.01); C09K 8/28 (2006.01); E21B 7/00 (2006.01); E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
C09K 8/68 (2013.01); C09K 8/035 (2013.01); C09K 8/28 (2013.01); C09K 8/607 (2013.01); E21B 7/00 (2013.01); E21B 43/26 (2013.01); C09K 2208/12 (2013.01);
Abstract
The present invention concerns the use of a novel additive as an agent for inhibiting the swelling of clays, in particular in the field of boreholes. More specifically, the present invention concerns the use of a specific diamine and diacid salt as an agent for inhibiting the swelling of clays in an aqueous medium, and a drilling or hydraulic fracturing fluid composition comprising the salt according to the invention and methods for drilling or hydraulic fracturing implementing said salt.