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1. (WO2014210539) STABILIZER
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2014/210539 International Application No.: PCT/US2014/044710
Publication Date: 31.12.2014 International Filing Date: 27.06.2014
IPC:
E21B 17/10 (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
17
Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings
10
Wear protectors; Centralising devices
Applicants:
WEATHERFORD TECHNOLOGY HOLDINGS, LLC [US/US]; 2000 St. James Place Houston, Texas 77056, US
Inventors:
XU, Wei Jake; US
ODELL, Albert C., II; US
Agent:
PATTERSON, William B.; US
Priority Data:
14/316,54426.06.2014US
61/840,43627.06.2013US
Title (EN) STABILIZER
(FR) STABILISATEUR
Abstract:
(EN) A method of drilling a wellbore includes running a drilling assembly into the wellbore through a casing string, the drilling assembly having a tubular string, a stabilizer, and a drill bit; applying a force to an arm of the stabilizer, thereby causing the arm to retract; and removing the stabilizer and the drill bit from the wellbore.
(FR) Procédé de perçage d'un puits de forage consistant à déplacer un ensemble de forage dans le puits de forage par l'intermédiaire d'une colonne de tubage, l'ensemble de forage comportant une colonne tubulaire, un stabilisateur et un trépan; à appliquer une force à un bras du stabilisateur, ce qui permet d'entraîner la rétraction du bras; et à retirer le stabilisateur et le trépan du puits de forage.
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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, 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, 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, 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, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)