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Pub. No.:    WO/2009/056291    International Application No.:    PCT/EP2008/009126
Publication Date: 07.05.2009 International Filing Date: 29.10.2008
C04B 14/04 (2006.01), C04B 14/28 (2006.01), C04B 20/10 (2006.01)
Applicants: SERVICES PETROLIERS SCHLUMBERGER [FR/FR]; 42, rue Saint-Dominique, F-75007 Paris (FR) (FR only).
SCHLUMBERGER HOLDINGS LIMITED [--/--]; 71 Craigmuir Chambers, Road Town, Tortola (VG) (GB, JP, NL only).
SCHLUMBERGER CANADA LIMITED [CA/CA]; 525 - 3rd Avenue S.W., Calgary, Alberta T2P OG4 (CA) (CA only).
SCHLUMBERGER TECHNOLOGY B.V. [NL/NL]; Parkstraat 83-89, NL-2514 JG The Hague (NL) (AE, AL, AU, AZ, BG, CO, CZ, DE, DK, GR, HU, ID, IE, IL, IT, KP, KR, KZ, LT, MX, MY, NO, NZ, OM, PL, RO, RU, SI, SK, TM, TN, TR, TT, UA, UZ, ZA only).
PRAD RESEARCH AND DEVELOPMENT LIMITED [--/--]; 71 Craigmuir Chambers, Road Town, Tortola (VG) (AG, AM, AO, AT, BA, BB, BE, BF, BH, BJ, BR, BW, BY, BZ, CF, CG, CH, CI, CM, CN, CR, CU, CY, DM, DO, DZ, EC, EE, EG, ES, FI, GA, GD, GE, GH, GM, GN, GQ, GT, GW, HN, HR, IN, IS, KE, KG, KM, KN, LA, LC, LK, LR, LS, LU, LV, LY, MA, MC, MD, ME, MG, MK, ML, MN, MR, MT, MW, MZ, NA, NE, NG, NI, PG, PH, PT, RS, SC, SD, SE, SG, SL, SM, SN, ST, SV, SY, SZ, TD, TG, TJ, TZ, UG, VC, VN, ZM, ZW only).
JAMES, Simon [GB/FR]; (FR) (For US Only).
MICHAUX, Michel [FR/FR]; (FR) (For US Only)
Inventors: JAMES, Simon; (FR).
MICHAUX, Michel; (FR)
Agent: HYDEN, Martin; Rouse Patents, 228-240 Banbury Road, Oxford OX2 7BY (GB)
Priority Data:
07119640.6 30.10.2007 EP
Abstract: front page image
(EN)A sealant composition for use in subterranean wells comprising an alkali metal silicate and a calcium containing inorganic compound wherein the particles of the calcium containing compound have a mean particle size that is submicron.
(FR)L'invention porte sur une composition de matière d'étanchéité destinée à être utilisée dans des puits souterrains comprenant un silicate de métal alcalin et un composé inorganique contenant du calcium, les particules du composé contenant du calcium ayant une dimension moyenne de particule qui est submicronique.
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)