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Machine translation
1. (WO2008102170) SIGNAL PROCESSING IN DOWNHOLE EQUIPMENT
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2008/102170    International Application No.:    PCT/GB2008/050105
Publication Date: 28.08.2008 International Filing Date: 19.02.2008
IPC:
E21B 43/12 (2006.01), E21B 47/12 (2012.01)
Applicants: ZENITH OILFIELD TECHNOLOGY LIMITED [GB/GB]; Thainstone Business Centre Thainstone Inverurie Aberdeenshire AB51 5TB (GB) (For All Designated States Except US).
SKINNER, Sandy [GB/GB]; (GB) (For US Only).
MANNING, Michael [GB/GB]; (GB) (For US Only)
Inventors: SKINNER, Sandy; (GB).
MANNING, Michael; (GB)
Agent: MURGITROYD & COMPANY; Scotland House, 165-169 Scotland Street, Glasgow, Strathclyde G5 8PL (GB)
Priority Data:
0703162.8 19.02.2007 GB
Title (EN) SIGNAL PROCESSING IN DOWNHOLE EQUIPMENT
(FR) TRAITEMENT DE SIGNAUX DANS UN ÉQUIPEMENT DE FOND DE PUITS
Abstract: front page image
(EN)A method of transmitting power and/or data between downhole equipment and a surface through a circuit including an alternating current (AC) powered motor and itsassociated power cable for powering the downhole equipmentis disclosed, where the data is transmitted atfrequencies outside the normal operating ranges that are thought acceptable. Associated circuitry and apparatus for performing the method are disclosed.
(FR)L'invention concerne un procédé de transmission d'énergie et/ou de données entre un équipement de fond de puits et une surface via un circuit comprenant un moteur à courant alternatif (CA) et un câble mécanisé qui lui est associé pour alimenter les équipements de fond de puits, les données étant transmises à des fréquences en dehors de plages de fonctionnement normales qui sont considérées comme acceptables. L'invention concerne aussi des circuits et appareils associés pour mettre en oeuvre le procédé de l'invention.
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, 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)