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1. (WO2017151099) LOW LOAD COLLET WITH MULTI-ANGLE PROFILE
PCT Biblio. Data
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Claims
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Latest bibliographic data on file with the International Bureau
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Pub. No.:
WO/2017/151099
International Application No.:
PCT/US2016/020105
Publication Date:
08.09.2017
International Filing Date:
29.02.2016
IPC:
E21B 23/00
(2006.01) ,
E21B 23/02
(2006.01) ,
E21B 17/00
(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
23
Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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
23
Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
02
for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
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
Applicants:
HALLIBURTON ENERGY SERVICES, INC.
[US/US]; 3000 N. Sam Houston Parkway E. Houston, TX 77032-3219, US
Inventors:
MACDONALD, Lorn Scott
; GB
Agent:
CATE, Avery
; US
Priority Data:
Title
(EN)
LOW LOAD COLLET WITH MULTI-ANGLE PROFILE
(FR)
DOUILLE DE SERRAGE À FAIBLE CHARGE À PROFIL MULTI-ANGULAIRE
Abstract:
(EN)
In accordance with presently disclosed embodiments, systems and methods for actuating a downhole tool using an improved low load collet are provided. The disclosed low load collet may include a multi-angle profile that enables the collet to provide a low-load actuation force threshold in one direction, while maintaining a strong interference between the collet and corresponding actuation mechanism. To that end, the collet may include a first protrusion disposed on a first collet spring and a second protrusion disposed on a second collet spring. The first and second protrusions each feature a high-load ramped surface on one side and a low-load ramped surface on an opposite side. The low-load ramped surface of the first protrusion has a shallow angle and the low-load ramped surface of the second protrusion has a steep angle that is larger than the shallow angle.
(FR)
Selon certains modes de réalisation, la présente invention concerne des systèmes et des procédés d'actionnement d'un outil de fond de trou à l'aide d'une douille de serrage à faible charge. La douille de serrage à charge faible peut présenter un profil multi-angulaire qui permet à la douille de serrage de fournir un seuil de force d'actionnement de faible charge dans une direction, tout en maintenant une forte interférence entre le douille de serrage et le mécanisme d'actionnement correspondant. La douille de serrage peut comprendre une première saillie disposée sur un premier ressort de douille de serrage et une seconde saillie disposée sur un second ressort de douille de serrage. Chacune des première et seconde saillies présentent une surface inclinée de forte charge sur un côté et une surface inclinée de faible charge sur un côté opposé. La surface inclinée de faible charge de la première saillie présente un petit angle et la surface inclinée de faible charge de la seconde saillie présente un angle raide qui est supérieur au petit angle.
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 (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
)