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1. (WO2019025761) AN APPARATUS AND METHOD FOR MILLING A WINDOW IN A BOREHOLE
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Pub. No.: WO/2019/025761 International Application No.: PCT/GB2018/052087
Publication Date: 07.02.2019 International Filing Date: 25.07.2018
IPC:
E21B 29/06 (2006.01) ,E21B 7/06 (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
29
Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
06
Cutting windows, e.g. directional window cutters for whipstock operations
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
7
Special methods or apparatus for drilling
04
Directional drilling
06
Deflecting the direction of boreholes
Applicants:
MCGARIAN, Bruce [GB/GB]; GB
Inventors:
MCGARIAN, Bruce; GB
Agent:
FORRESTERS IP LLP; 3rd floor Sherborne House 119-121 Cannon Street London, Greater London EC4N 5AT, GB
Priority Data:
1712387.801.08.2017GB
Title (EN) AN APPARATUS AND METHOD FOR MILLING A WINDOW IN A BOREHOLE
(FR) APPAREIL ET PROCÉDÉ DE FRAISAGE D'UNE FENÊTRE DANS UN TROU DE FORAGE
Abstract:
(EN) A tool for milling a window in a casing (3) of a borehole, the tool comprising: a main body having a longitudinal axis wherein, when the tool is run into a borehole, the longitudinal axis is substantially parallel with the longitudinal axis of the borehole, the main body comprising a deflection surface (7) which is disposed at an angle with respect to the longitudinal axis; a milling arrangement comprising a milling head (11) and a guidance surface (13), wherein the guidance surface is disposed at an angle with respect to the longitudinal axis of the tool and is in contact with the deflection surface; and a drive arrangement (14) which is operable to effect relative longitudinal movement between the main body and the milling arrangement.
(FR) L'invention concerne un outil pour fraiser une fenêtre dans le tubage d'un trou de forage, l'outil comprenant : un corps principal ayant un axe longitudinal qui, lorsque l'outil est descendu dans un trou de forage, est sensiblement parallèle à l'axe longitudinal du trou de forage, le corps principal comprenant une surface de déviation qui est disposée selon un angle par rapport à l'axe longitudinal ; un agencement de fraisage comprenant une tête de fraisage et une surface de guidage, la surface de guidage étant disposée selon un angle par rapport à l'axe longitudinal de l'outil et étant en contact avec la surface de déviation ; et un agencement d'entraînement qui est actionnable pour effectuer un mouvement longitudinal relatif entre le corps principal et l'agencement de fraisage.
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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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, 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 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)