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:
Feb. 27, 2018
Filed:
Jun. 17, 2016
Applicants:
Rhodia Operations, Paris, FR;
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Inventors:
Mikel Morvan, Pessac, FR;
Patrick Moreau, Pessac, FR;
René Tabary, Saint Germain en Laye, FR;
Brigitte Bazin, Rueil-Malmaison, FR;
Assignee:
Rhodia Operations, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/20 (2006.01); C09K 8/584 (2006.01); C09K 8/588 (2006.01);
U.S. Cl.
CPC ...
E21B 43/20 (2013.01); C09K 8/584 (2013.01); C09K 8/588 (2013.01);
Abstract
The inhibition of anionic surfactant retention phenomena in an oil reservoir, especially in a carbonate-based or argillaceous reservoir, by the use of at least one compound corresponding to the formula R—O-(A)m-H, in which R is a hydrocarbon-based group comprising from 6 to 40 carbon atoms, A is a hexose or pentose unit, and m is a non-zero number ranging from 1 to 10, is described herein.