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1. (WO2009064732) WELLBORE DEPTH COMPUTATION
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2009/064732    International Application No.:    PCT/US2008/083135
Publication Date: 22.05.2009 International Filing Date: 11.11.2008
IPC:
E21B 47/022 (2006.01), E21B 47/04 (2006.01)
Applicants: SCHLUMBERGER CANADA LIMITED [CA/CA]; 525 3rd Avenue SW, Calgary, Alberta T2P 0G4 (CA) (CA only).
SCHLUMBERGER TECHNOLOGY B.V. [NL/NL]; Parkstraat 83-89, NL-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 [--/--]; P.O. 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, MY, 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, US, VC, VN, ZM, ZW only).
SERVICES PETROLIERS SCHLUMBERGER [FR/FR]; 42, rue Saint-Dominique, F-75007 Paris (FR) (FR only).
SCHLUMBERGER HOLDINGS LIMITED [--/--]; P.O. Box 71, Craigmuir Chambers, Roadtown Tortola (VG) (GB, JP, NL only).
PHILLIPS, Wayne, J. [US/US]; (US) (For US Only).
BORDAKOV, Georgiy [RU/US]; (US) (For US Only).
KOSTIN, Alexander [RU/US]; (US) (For US Only).
MEHTA, Shyam [US/US]; (US) (For US Only).
HELIOT, Denis [FR/US]; (US) (For US Only).
RASMUS, John, C. [US/US]; (US) (For US Only)
Inventors: PHILLIPS, Wayne, J.; (US).
BORDAKOV, Georgiy; (US).
KOSTIN, Alexander; (US).
MEHTA, Shyam; (US).
HELIOT, Denis; (US).
RASMUS, John, C.; (US)
Agent: ECHOLS, Brigitte, L.; Schlumberger Technology Corporation, 200 Gillingham Lane MD 200-9, Sugar Land, TX 77478 (US)
Priority Data:
60/987,298 12.11.2007 US
60/987,292 12.11.2007 US
Title (EN) WELLBORE DEPTH COMPUTATION
(FR) CALCUL DE LA PROFONDEUR D'UN PUITS DE FORAGE
Abstract: front page image
(EN)Various methods are disclosed, comprising obtaining a plurality of raw depth measurements for a wellbore; obtaining survey data about a bottom hole assembly; obtaining depth compensation information; calculating a plurality of compensated depth measurements from the raw depth measurements and the depth compensation information and one or more additional corrections for residual pipe compliance, tide, and rig heave.
(FR)L'invention concerne différents procédés, comprenant l'obtention d'une pluralité de mesures de profondeur brutes pour un puits de forage; l'obtention de données d'études concernant un ensemble de fond de puits; l'obtention d'informations de compensation de profondeur; le calcul d'une pluralité de mesures de profondeur compensées à partir des mesures de profondeur brutes et des informations de compensation de profondeur et une ou plusieurs corrections supplémentaires concernant la conformité du tuyau, la marée, et le soulèvement de l'installation de forage.
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)