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. 06, 2019
Filed:
May. 04, 2015
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Mikel Morvan, Pessac, FR;
Max Chabert, Paris, FR;
Assignee:
RHODIA OPERATIONS, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/594 (2006.01); C09K 8/584 (2006.01); C09K 8/94 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
C09K 8/584 (2013.01); C09K 8/594 (2013.01); C09K 8/94 (2013.01); E21B 43/168 (2013.01);
Abstract
The present invention relates to the use of an aminosulphonate compound corresponding to the following formula (I): RRN—CHR—CHR—CHR—SO(I) where: •Ris a preferably Cto Calkyl or alkylamido radical; •Ris an optionally hydroxylated alkyl radical; •R, Rand Rare, independently of one another, H or OH; it being understood that at least one of the R, Rand/or Rgroups is OH, for stabilizing a foam, in particular a foam used to extract hydrocarbons in an underground formation.