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1. (WO2009126376) SYSTEM AND METHOD FOR DRILLING MULTILATERAL WELLS USING MAGNETIC RANGING WHILE DRILLING
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2009/126376    International Application No.:    PCT/US2009/035852
Publication Date: 15.10.2009 International Filing Date: 03.03.2009
IPC:
E21B 41/00 (2006.01), E21B 43/24 (2006.01)
Applicants: SCHLUMBERGER CANADA LIMITED [CA/CA]; 525 3rd Avenue SW Calgary , Alberta T2P0G4 (CA) (CA only).
SCHLUMBERGER TECHNOLOGY B.V. [NL/NL]; Parkstraat 83-89 2514 JG The Hague (NL) (AL, AU, AZ, BG, CO, CZ, DE, DK, GR, HU, ID, IE, IL, IT, 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; PO Box 71 Craigmuir Chambers Road Town Tortola (VG) (AE, 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, KP, KR, 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).
SERVICES PETROLIERS SCHLUMBERGER [FR/FR]; 42, rue Saint-Dominique F-75007 Paris (FR) (FR only).
SCHLUMBERGER HOLDINGS LIMITED; PO Box 71 Craigmuir Chambers Road Town Tortola (VG) (GB, JP, NL only).
CLARK, Brian [US/US]; (US) (For US Only).
MORLEY, Jan, S. [GB/US]; (US) (For US Only)
Inventors: CLARK, Brian; (US).
MORLEY, Jan, S.; (US)
Agent: FONSECA, Darla, P.; Schlumberger Technology Corporation Office of IP Counsel 200 Gillingham Lane MD200-9 Sugar Land, TX 77478 (US)
Priority Data:
12/100,511 10.04.2008 US
Title (EN) SYSTEM AND METHOD FOR DRILLING MULTILATERAL WELLS USING MAGNETIC RANGING WHILE DRILLING
(FR) SYSTÈME ET PROCÉDÉ DESTINÉS À FORER DES PUITS MULTILATÉRAUX PAR MESURE MAGNÉTIQUE PENDANT LE FORAGE
Abstract: front page image
(EN)Systems and methods for drilling a multilateral well using magnetic ranging while drilling are provided. In accordance with one embodiment, a method of drilling a multilateral well includes drilling and casing a mother wellbore, installing a multilateral junction, drilling and casing a first lateral well from the multilateral junction, and drilling a second lateral well from the multilateral junction using magnetic ranging while drilling such that the second lateral well has a controlled relationship relative to the first lateral well. The first and second lateral wells may form a SAGD well pair, in which case the first lateral well may be a producer well and the second lateral well may be an injector well.
(FR)La présente invention concerne des systèmes et des procédés de forage d'un puits multilatéral par mesure magnétique pendant le forage. Conformément à un mode de réalisation, un procédé de forage d'un puits multilatéral comprend le forage et le tubage d'un puits de forage mère, l'installation d'une jonction multilatérale, le forage et le tubage d'un premier puits latéral à partir de la jonction multilatérale et le forage d'un second puits latéral à partir de la jonction multilatérale par mesure magnétique pendant le forage, de manière à ce que le second puits latéral ait une relation commandée par rapport au premier puits latéral. Le premier et le second puits latéral peuvent former une paire de puits SAGD, auquel cas le premier puits latéral peut être un puits de production et le second puits latéral peut être un puits d'injection.
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, MK, 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)