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1. (WO2009058589) ADDITION OF ZWITTERIONIC SURFACTANT TO WATER SOLUBLE POLYMER TO INCREASE THE STABILITY OF THE POLYMERS IN AQUEOUS SOLUTIONS CONTAINING SALT AND/OR SURFACTANTS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2009/058589    International Application No.:    PCT/US2008/080396
Publication Date: 07.05.2009 International Filing Date: 17.10.2008
IPC:
E21B 43/26 (2006.01), C09K 3/00 (2006.01), C09K 8/04 (2006.01), C11D 3/37 (2006.01)
Applicants: RHODIA INC. [US/US]; 8 Cedar Brook Drive Cranbury, NJ 08512-7500 (US) (For All Designated States Except US).
HOUGH, Lawrence, Alan [US/US]; (US) (For US Only).
LIZARRAGA, Gilda, Maria [US/US]; (US) (For US Only).
ADAM, Herve [FR/US]; (US) (For US Only).
CASTAING, Jean-Christophe [FR/US]; (US) (For US Only).
KESAVAN, Subramanian [IN/US]; (US) (For US Only)
Inventors: HOUGH, Lawrence, Alan; (US).
LIZARRAGA, Gilda, Maria; (US).
ADAM, Herve; (US).
CASTAING, Jean-Christophe; (US).
KESAVAN, Subramanian; (US)
Agent: VENTURINO, Anthony, P.; Novak, Druce & Quigg, LLP 1300 I Street, N.W., Suite 1000 West Tower Washington, DC 20005 (US)
Priority Data:
60/984,183 31.10.2007 US
Title (EN) ADDITION OF ZWITTERIONIC SURFACTANT TO WATER SOLUBLE POLYMER TO INCREASE THE STABILITY OF THE POLYMERS IN AQUEOUS SOLUTIONS CONTAINING SALT AND/OR SURFACTANTS
(FR) AJOUT D'UN AGENT TENSIOACTIF ZWITTERIONIQUE À UN POLYMÈRE SOLUBLE DANS L'EAU POUR AUGMENTER LA STABILITÉ DES POLYMÈRES DANS DES SOLUTIONS AQUEUSES CONTENANT UN SEL ET/OU DES AGENTS TENSIOACTIFS
Abstract: front page image
(EN)An aqueous fluid composition useful for the recovery of hydrocarbons from a subterranean formation, including a mixture of water, a water soluble polymer, an inorganic salt and at least one zwitterionic surfactant and methods of using same.
(FR)L'invention porte sur une composition aqueuse de fluide utile pour la récupération d'hydrocarbures à partir d'une formation souterraine, comprenant un mélange d'eau, d'un polymère soluble dans l'eau, d'un sel inorganique et d'au moins un agent tensioactif zwitterionique. L'invention porte également sur les procédés d'utilisation de cette composition.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MT, NL, NO, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)