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1. (WO2009062719) GAS CUTTING BOREHOLE DRILLING APPARATUS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2009/062719    International Application No.:    PCT/EP2008/009609
Publication Date: 22.05.2009 International Filing Date: 06.11.2008
IPC:
E21B 7/14 (2006.01)
Applicants: SERVICES PETROLIERS SCHLUMBERGER [FR/FR]; 42, rue Saint Dominique F-75007 Paris (FR) (FR only).
SCHLUMBERGER TECHNOLOGY B.V. [NL/NL]; Parkstraat 83-89, NL-2514 JG The Hague (NL) (AE, AL, AU, AZ, BG, CO, CZ, DE, DK, GR, HU, ID, IE, IL, IT, KP, KR, KZ, LT, MX, MY, NO, NZ, OM, PL, RO, RU, SI, SK, TM, TN, TR, TT, UA, UZ, ZA only).
SCHLUMBERGER HOLDINGS LIMITED; PO Box 71, Craigmuir Chambers, Road Town- Tortola (VG) (GB, JP, NL only).
SCHLUMBERGER CANADA LIMITED [CA/CA]; 525 - 3rd Avenue S.W., Calgary, Alberta T2P 0G4 (CA) (CA only).
PRAD RESEARCH AND DEVELOPMENT LIMITED; PO Box 71, Craigmuir Chambers, Road Town - Tortola (VG) (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, 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).
MONTARON, Bernard [FR/AE]; (AE) (For US Only)
Inventors: MONTARON, Bernard; (AE)
Agent: ETUDES & PRODUCTIONS SCHLUMBERGER; 1, rue Henri Becquerel, BP 202, F-92142 Clamart Cedex (FR)
Priority Data:
0722442.1 15.11.2007 GB
Title (EN) GAS CUTTING BOREHOLE DRILLING APPARATUS
(FR) APPAREIL DE FORAGE DE TROUS DE SONDE PAR OXYCOUPAGE AU GAZ
Abstract: front page image
(EN)A drilling apparatus (10) for drilling boreholes in underground formations, comprising a tool body (10a, 10b) that can be positioned in a borehole where drilling is to take place, an oxy-fuel burner having a nozzle (16), a supply of a fuel (18) and a supply of an oxidising agent (20) connected to the burner; and means for advancing the tool body through the borehole as drilling takes place.
(FR)L'invention porte sur un appareil de forage permettant de forer des trous de sonde dans des formations souterraines, comprenant un corps d'outil qui peut être positionné dans un trou de sonde où doit se faire le forage; un brûleur d'oxycombustible comportant une buse; une alimentation en combustible et une alimentation en agent oxydant raccordées au brûleur; et des moyens servant à faire avancer le corps d'outil à travers le trou de sonde à mesure que progresse le 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)