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Machine translation
1. (WO2006013597) CLAY INHIBITORS FOR THE DRILLING INDUSTRY
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2006/013597    International Application No.:    PCT/IT2004/000454
Publication Date: 09.02.2006 International Filing Date: 06.08.2004
IPC:
C09K 8/12 (2006.01), E21B 43/25 (2006.01), E21B 43/26 (2006.01), C09K 8/22 (2006.01)
Applicants: LAMBERTI S.p.A. [IT/IT]; Via Piave,18, I-21041 Albizzate (VA) (IT) (For All Designated States Except US).
MERLI, Luigi [IT/US]; (US) (For US Only).
DE STEFANO, Guido [IT/US]; (US) (For US Only).
LI BASSI, Giuseppe [IT/IT]; (IT) (For US Only)
Inventors: MERLI, Luigi; (US).
DE STEFANO, Guido; (US).
LI BASSI, Giuseppe; (IT)
Priority Data:
Title (EN) CLAY INHIBITORS FOR THE DRILLING INDUSTRY
(FR) AGENTS INHIBANTS D'ARGILE POUR L'INDUSTRIE DU FORAGE
Abstract: front page image
(EN)The present invention relates to a method for inhibiting hydration of clays in drilling operations comprising the use of an aqueous based drilling fluid containing from 0.2 to 5 wt% of 1,2-cyclohexanediamine and/or its salts.
(FR)La présente invention concerne le procédé d'inhibition d’hydratation des argiles dans les opérations de forage comprenant l’utilisation d’un fluide de forage aqueux contenant entre 0,2 et 5 % en poids de 1,2-cyclohexanodiamine et/ou ses sels.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, 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, HU, IE, IT, LU, MC, NL, 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)