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1. (WO2018013258) MAST AND SUBSTRUCTURE
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.:    WO/2018/013258    International Application No.:    PCT/US2017/036196
Publication Date: 18.01.2018 International Filing Date: 06.06.2017
IPC:
E04B 1/344 (2006.01), E04B 1/35 (2006.01), E04B 1/36 (2006.01), E04B 1/38 (2006.01), E04H 12/34 (2006.01), E21B 7/02 (2006.01), E21B 15/00 (2006.01)
Applicants: NABORS DRILLING TECHNOLOGIES USA, INC. [US/US]; 515 West Greens Road, Suite 1000 Houston, TX 77067 (US)
Inventors: REDDY, Padira; (US).
GUPTA, Ashish; (US).
HAUSE, Ryan; (US)
Agent: LOCKLAR, Michael; (US)
Priority Data:
62/361,827 13.07.2016 US
Title (EN) MAST AND SUBSTRUCTURE
(FR) MÂT ET SOUS-STRUCTURE
Abstract: front page image
(EN)A drilling rig may include a right substructure, left substructure, and a drill floor. The drill floor may be pivotably coupled to lower boxes of the left and right substructure by struts. The substructures may include hydraulic cylinders positioned to raise the drill floor and a mast coupled to the drill floor into a raised position.
(FR)Un appareil de forage peut comprendre une sous-structure droite, une sous-structure gauche et un plancher de forage. Le plancher de forage peut être couplé de manière pivotante à des boîtes inférieures des sous-structures gauche et droite par des entretoises. Les sous-structures peuvent comprendre des vérins hydrauliques positionnés pour lever le plancher de forage et un mât accouplé au plancher de forage en une position relevée.
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)