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1. (WO2018017127) ROLLING ELEMENT ASSEMBLY WITH BEARINGS ELEMENTS
PCT Biblio. Data
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Claims
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Pub. No.:
WO/2018/017127
International Application No.:
PCT/US2016/043616
Publication Date:
25.01.2018
International Filing Date:
22.07.2016
IPC:
E21B 10/43
(2006.01),
E21B 10/62
(2006.01),
E21B 10/42
(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
10
Drill bits
42
Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
43
characterised by the arrangement of teeth or other cutting elements
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
10
Drill bits
62
characterised by parts, e.g. cutting elements, which are detachable or adjustable
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
10
Drill bits
42
Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
Applicants:
HALLIBURTON ENERGY SERVICES, INC.
[US/US]; 3000 N. Sam Houston Parkway E. Houston, Texas 77032-3219 (US)
Inventors:
LING, Xianwu
; (US).
GROSZ, Gregory Christopher
; (US).
HINZ, Brandon James
; (US)
Agent:
KAISER, Iona
; (US).
JORDAN, Carey
; (US)
Priority Data:
Title
(EN)
ROLLING ELEMENT ASSEMBLY WITH BEARINGS ELEMENTS
(FR)
ENSEMBLE ÉLÉMENT DE ROULEMENT AYANT DES ÉLÉMENTS DE PALIER
Abstract:
(EN)
A drill bit includes a bit body including one or more blades extending therefrom and a plurality of cutters secured to the one or more blades. A rolling element assembly is positioned within a cavity defined on the bit body and includes a housing, a rolling element rotatable within the housing about a rotational axis, and one or more bearing elements extendable into a corresponding one or more arcuate grooves defined in the cavity to secure the housing within the cavity. The housing encircles more than 180 but less than 360 of a circumference of the rolling element while leaving a full axial width of the rolling element exposed.
(FR)
La présente invention concerne un foret qui comprend un corps de foret comprenant une ou plusieurs lames qui s'étendent à partir de ce dernier et une pluralité d'éléments de coupe fixés à la ou aux lames. Un ensemble élément de roulement est positionné à l'intérieur d'une cavité définie sur le corps de foret et comprend un boîtier, un élément de roulement qui peut tourner à l'intérieur du boîtier autour d'un axe de rotation, et un ou plusieurs éléments de palier qui peuvent s'étendre dans une ou plusieurs rainures arquées correspondantes définies dans la cavité pour fixer le boîtier à l'intérieur de la cavité. Le boîtier encercle plus de 180 mais moins de 360 degrés d'une circonférence de l'élément de roulement tout en laissant exposée une largeur axiale complète de l'élément de roulement.
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, 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
)