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Machine translation
1. (WO2002029200) DOWNHOLE VALVE DEVICE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2002/029200    International Application No.:    PCT/NO2001/000396
Publication Date: 11.04.2002 International Filing Date: 28.09.2001
Chapter 2 Demand Filed:    03.04.2002    
IPC:
E21B 21/10 (2006.01)
Applicants: TENNØY, Andor, Svein [NO/NO]; (NO).
PEDERSEN, Bernt, Reinhardt [NO/NO]; (NO)
Inventors: TENNØY, Andor, Svein; (NO).
PEDERSEN, Bernt, Reinhardt; (NO)
Agent: HÅMSØ PATENTBYRÅ ANS; Vågsgaten 43 N-4306 SANDNES (NO)
Priority Data:
20004940 02.10.2000 NO
Title (EN) DOWNHOLE VALVE DEVICE
(FR) DISPOSITIF DE VANNES DE FOND
Abstract: front page image
(EN)A downhole valve device (1) of the kind used in a drill string (14) in a well (2) in the exploration and recovery of petroleum deposits, comprising a valve housing (20) and a valve (23), there being disposed in the drill string (14) one or more downhole valve(s) (1) which are arranged to open/close to a branching of fluid out from the cavity of the drill string (14) into an annulus (3', 4') formed between the drill string (14) and the well wall.
(FR)L'invention concerne un dispositif de vannes de fond (1) du genre utilisé avec un train de tiges (14) dans un puits (2) de forage et de récupération de dépôts pétrolifères. Ledit dispositif comprend un logement de vanne (20) et une vanne (23). On dispose au moins une vanne de fond (1) dans le train de tiges (14) pour ouvrir/fermer un embranchement de fluide qui sort de la cavité dudit train de tiges (14) dans un espace annulaire (3', 4') formé entre ledit train de tiges (14) et la paroi du puits.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, 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, NO, NZ, PH, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, US, UZ, VN, YU, ZA, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE, 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: Norwegian (NO)