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1. (WO2017192873) ROTATING DRILLING TOWERS
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.:    WO/2017/192873    International Application No.:    PCT/US2017/031096
Publication Date: 09.11.2017 International Filing Date: 04.05.2017
IPC:
E21B 19/06 (2006.01), E21B 19/02 (2006.01), E21B 15/00 (2006.01)
Applicants: TRANSOCEAN SEDCO FOREX VENTURES LIMITED; 70 Harbour Drive, 4th Floor George Town Grand Cayman, KY1-1003 (KY) (For All Designated States Except US).
HASLAM, Daniel [US/US]; (US) (US only)
Inventors: HASLAM, Daniel; (US)
Agent: SMITH, Darren; (US).
PRATI, Danny, A.; (US).
ALBRIGHT, Jeremy; (US).
GARRETT, Mark, T.; (US)
Priority Data:
62/331,653 04.05.2016 US
62/426,415 25.11.2016 US
Title (EN) ROTATING DRILLING TOWERS
(FR) TOURS DE FORAGE ROTATIVES
Abstract: front page image
(EN)Two or more rotating towers on a drilling rig may be configured to rotate between one or more wells. The rotating towers may have a common well center, such that the two or more towers can operate over the same well to provide redundant or cooperative operations. Some example cooperative operations include heavy lifting and/or isochronous tripping operations. Redundancy can be provided by the two or more rotating towers to prevent equipment failures from halting operations.
(FR)Selon la présente invention, deux ou plus de deux tours rotatives sur un appareil de forage peuvent être configurées pour tourner entre un ou plusieurs puits. Les tours rotatives peuvent avoir un centre de puits commun, de sorte que les deux ou plus de deux tours peuvent fonctionner sur le même puits pour conduire des opérations redondantes ou coopératives. Des exemples d'opérations coopératives comprennent des opérations de levage lourd et/ou de forage isochrone. Une redondance peut être fournie par les deux ou plus de deux tours rotatives pour éviter que des pannes d'équipement interrompent des opérations.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)