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1. (WO2009090465) METHOD FOR PERMEABLE ZONE DETECTION
Dados bibliográficos mais recentes no arquivo da Secretaria Internacional

№ de pub.: WO/2009/090465 № do pedido internacional: PCT/IB2008/003416
Data de publicação: 23.07.2009 Data de depósito internacional: 11.12.2008
CIP:
G01V 1/50 (2006.01)
G FÍSICA
01
MEDIÇÃO; TESTE
V
GEOFÍSICA; MEDIÇÕES DA GRAVITAÇÃO; DETECÇÃO DE MASSAS OU OBJETOS; RÓTULOS
1
Sismologia; Prospecção ou detecção sísmica ou acústica
40
especialmente adaptada à sondagem de poços
44
usando geradores e receptores no mesmo poço
48
Processamento de dados
50
Análise de dados
Requerentes:
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, KR, KZ, LT, MX, NO, NZ, OM, PL, RO, RU, SI, SK, TM, TN, TR, TT, UA, UZ, ZA)
SERVICES PETROLIERS SCHLUMBERGER [FR/FR]; 42 rue Saint-Dominique F-75007 Paris, FR (FR)
SCHLUMBERGER CANADA LIMITED [CA/CA]; 525-3rd Avenue S.W. Calgary Alberta T2P 0G4, CA (CA)
SCHLUMBERGER HOLDINGS LIMITED; P.O. Box 71 Craigmuir Chambers Road Town Tortola, VG (GB, JP, NL)
PRAD RESEARCH AND DEVELOPMENT LIMITED; P.O. Box 71 Craigmuir Chambers Road Town, Torola, 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, 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, VC, VN, ZM, ZW)
WU, Peter T. [US/US]; US (UsOnly)
DUMONT, Alain [FR/JP]; JP (UsOnly)
CAMPANAC, Pierre, H. [FR/US]; US (UsOnly)
JOHNSON, David [US/US]; US (UsOnly)
Inventores:
WU, Peter T.; US
DUMONT, Alain; JP
CAMPANAC, Pierre, H.; US
JOHNSON, David; US
Mandatário:
MATSUDA, Kiichiro; Schlumberger K.K. 2-2-1 Fuchinobe Sagamihara-shi Kanagawa-ken, 229-0006, JP
Dados da prioridade:
11/964,73627.12.2007US
Título (EN) METHOD FOR PERMEABLE ZONE DETECTION
(FR) PROCÉDÉ POUR UNE DÉTECTION DE ZONE PERMÉABLE
Resumo:
(EN) A method for estimating formation permeability from measured sonic wave Stoneley attributes and particularly the Stoneley attributes of slowness (DTst) and attenuation (ATTst), taking into consideration the existence of a heavy walled drill collar at the end of the drill string and the relative lack of borehole mud cake during a drilling operation. In the subject LWD application a real-time qualitative indication for fracture and permeable zones is estimated from Stoneley measurements. This information is useful to a driller to make important timely decisions about drilling and completion programs.
(FR) L'invention porte sur un procédé pour estimer la perméabilité d'une formation à partir d'attributs de Stoneley d'onde sonique mesurés, et en particulier à partir des attributs de Stoneley de la lenteur (DTst) et de l'atténuation (ATTst), en tenant compte de l'existence d'un collier de forage à paroi lourde à l'extrémité du train de tiges et du manque relatif de gâteau de boue de trou de forage durant une opération de forage. Dans l'application LWD concernée, une indication qualitative en temps réel pour des zones de fracture et perméables est estimée à partir des mesures de Stoneley. Ces informations sont utiles à un foreur pour prendre à temps des décisions importantes concernant les programmes de forage et d'achèvement.
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Estados designados: 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
Organização Regional Africana da Propriedade Intelectual (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Instituto Eurasiático de Patentes (EAPO) (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
Instituto Europeu de Patentes (IEP) (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)
Organização Africana da Propriedade Intelectual (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Língua de publicação: Inglês (EN)
Língua de depósito: Inglês (EN)