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1. (WO2017132105) COMPENSATED TOP DRIVE UNIT AND ELEVATOR LINKS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/132105 International Application No.: PCT/US2017/014646
Publication Date: 03.08.2017 International Filing Date: 24.01.2017
IPC:
E21B 3/02 (2006.01)
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
3
Rotary drilling
02
Surface drives for rotary drilling
Applicants:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC [US/US]; 2000 St. James Place Houston, Texas 77056, US
Inventors:
THIEMANN, Bjoern; DE
Agent:
PATTERSON, William B.; US
HUANG, Jason C.; US
READ, Randol W.; US
Priority Data:
15/005,80925.01.2016US
Title (EN) COMPENSATED TOP DRIVE UNIT AND ELEVATOR LINKS
(FR) UNITÉ D’ENTRAÎNEMENT SUPÉRIEURE ET BRAS D’ÉLÉVATEUR
Abstract:
(EN) A top drive unit including a top drive housing, a drive stem disposed in the top drive housing, a carrier configured to axially move the drive stem relative to the top drive housing, and a drive mechanism for rotating the drive stem.
(FR) Une unité d'entraînement supérieure comprenant un carter d'entraînement supérieur, une tige d'entraînement disposée dans le carter d'entraînement supérieur, un support configuré pour déplacer axialement la tige d'entraînement par rapport au carter d'entraînement supérieur, et un mécanisme d'entraînement pour faire tourner la tige d'entraînement.
front page image
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 (ARIPO) (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)
Also published as:
CA3011516AU2017211056EP3408489BR112018014965