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Pub. No.:    WO/2007/093047    International Application No.:    PCT/CA2007/000218
Publication Date: 23.08.2007 International Filing Date: 14.02.2007
E21B 17/08 (2006.01)
Applicants: TESCO CORPORATION [CA/CA]; 6204 - 6a Street SE, Calgary, Alberta T2H 2B7 (CA) (For All Designated States Except US).
ANGMAN, Per, G. [SE/CA]; (CA) (For US Only).
TESSARI, Robert, M. [CA/CA]; (CA) (For US Only)
Inventors: ANGMAN, Per, G.; (CA).
TESSARI, Robert, M.; (CA)
Agent: BENNETT JONES LLP; Attention: Roseann B. Caldwell, 4500 Bankers Hall East, 855 2nd Street SW, Calgary, Alberta T2P 4K7 (CA)
Priority Data:
60/766,834 14.02.2006 US
60/806,838 10.07.2006 US
Abstract: front page image
(EN)A casing assembly comprising: a first casing joint including a pin end and an outer surface adjacent the pin end; an external shoulder ring on the outer surface; and a casing coupling threaded onto the pin end and shouldered against the external torque shoulder ring. The external torque shoulder may be positioned before or after the coupling is installed on the pin end of the casing.
(FR)L'invention concerne un ensemble de tubage comportant : un premier joint de tubage comprenant une extrémité mâle et une surface extérieure adjacente à l'extrémité mâle; une bague d'épaulement externe située sur la surface extérieure; et un accouplement de tubage fileté sur l'extrémité mâle et formant un épaulement sur la bague d'épaulement de couple externe. L'épaulement de couple externe peut être positionné avant ou après l'installation de l'accouplement sur l'extrémité mâle du tubage.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, 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, LV, LY, MA, MD, 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, HU, IE, IS, IT, LT, LU, LV, MC, NL, 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)