CA2167795A1 - Articulated directional drilling motor assembly - Google Patents

Articulated directional drilling motor assembly

Info

Publication number
CA2167795A1
CA2167795A1 CA002167795A CA2167795A CA2167795A1 CA 2167795 A1 CA2167795 A1 CA 2167795A1 CA 002167795 A CA002167795 A CA 002167795A CA 2167795 A CA2167795 A CA 2167795A CA 2167795 A1 CA2167795 A1 CA 2167795A1
Authority
CA
Canada
Prior art keywords
borehole
housing
directional drilling
motor assembly
drilling motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002167795A
Other languages
French (fr)
Other versions
CA2167795C (en
Inventor
Alan M. Eddison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Canada Ltd
Original Assignee
Schlumberger Canada Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlumberger Canada Ltd filed Critical Schlumberger Canada Ltd
Publication of CA2167795A1 publication Critical patent/CA2167795A1/en
Application granted granted Critical
Publication of CA2167795C publication Critical patent/CA2167795C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor

Abstract

An articulated directional drilling tool assembly for use in drilling a borehole having a short radius of curvature includes a mud motor whose housing is pivotally connected to a lower housing having upper and lower sections that are joined together in a manner to define a bend angle. The drill bit box carries a stabilizer that centers it in the borehole. The upper housing section carries pads which are forced against the low side of the borehole by a hydraulic piston to increase the side loading on the bit and cause it to drill a sharply curving borehole. The motor housing is connected to the lower housing by an articulative, torque transmitting coupling, and the motor housing is connected to an orientation measuring sub thereabove in the same manner.
CA002167795A 1995-01-23 1996-01-22 Articulated directional drilling motor assembly Expired - Lifetime CA2167795C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/376,497 US5542482A (en) 1994-11-01 1995-01-23 Articulated directional drilling motor assembly
US08/376,497 1995-01-23

Publications (2)

Publication Number Publication Date
CA2167795A1 true CA2167795A1 (en) 1996-07-24
CA2167795C CA2167795C (en) 2003-09-23

Family

ID=23485257

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002167795A Expired - Lifetime CA2167795C (en) 1995-01-23 1996-01-22 Articulated directional drilling motor assembly

Country Status (7)

Country Link
US (1) US5542482A (en)
EP (1) EP0728911B1 (en)
AU (1) AU695052B2 (en)
CA (1) CA2167795C (en)
DE (1) DE69613606T2 (en)
DK (1) DK0728911T3 (en)
NO (1) NO309953B1 (en)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
US8869916B2 (en) 2010-09-09 2014-10-28 National Oilwell Varco, L.P. Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
US9016400B2 (en) 2010-09-09 2015-04-28 National Oilwell Varco, L.P. Downhole rotary drilling apparatus with formation-interfacing members and control system

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US6810972B2 (en) 2002-02-08 2004-11-02 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having a one bolt attachment system
US6827159B2 (en) 2002-02-08 2004-12-07 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having an offset drilling fluid seal
US6810973B2 (en) 2002-02-08 2004-11-02 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having offset cutting tooth paths
US6814168B2 (en) 2002-02-08 2004-11-09 Hard Rock Drilling & Fabrication, L.L.C. Steerable horizontal subterranean drill bit having elevated wear protector receptacles
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US10968703B2 (en) * 2016-06-30 2021-04-06 Schlumberger Technology Corporation Devices and systems for reducing cyclical torque on directional drilling actuators
USD871460S1 (en) * 2016-07-20 2019-12-31 Smart Downhole Tools B.V. Tilt housing of a downhole adjustable drilling inclination tool
CN107060643B (en) * 2016-12-16 2019-03-08 中国科学院地质与地球物理研究所 A kind of hybrid rotary steering system of high build angle rate and its control method
CN108505940B (en) 2017-02-28 2020-10-20 通用电气公司 Composite rotary steerable drilling system and method
CN109630016A (en) * 2018-11-27 2019-04-16 太原理工大学 A kind of mining horizontal km directional drilling machine trace tracking method
CN109854174B (en) * 2019-04-02 2024-03-26 大庆井泰石油工程技术股份有限公司 Short radius drilling tool and drilling method
CN112324332A (en) * 2020-10-19 2021-02-05 万晓跃 Controllable-track lateral drilling tool and method
CN114439370B (en) * 2022-01-27 2022-09-02 北京探矿工程研究所 Flexible downhole power drilling tool
CN114776235A (en) * 2022-04-12 2022-07-22 北京全地科技有限公司 Hydraulic push-leaning type self-resetting flexible drill rod and drill string

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8869916B2 (en) 2010-09-09 2014-10-28 National Oilwell Varco, L.P. Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter
US9016400B2 (en) 2010-09-09 2015-04-28 National Oilwell Varco, L.P. Downhole rotary drilling apparatus with formation-interfacing members and control system
US9476263B2 (en) 2010-09-09 2016-10-25 National Oilwell Varco, L.P. Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter

Also Published As

Publication number Publication date
CA2167795C (en) 2003-09-23
DE69613606T2 (en) 2002-05-08
EP0728911A3 (en) 1997-10-15
NO309953B1 (en) 2001-04-23
AU695052B2 (en) 1998-08-06
EP0728911A2 (en) 1996-08-28
DE69613606D1 (en) 2001-08-09
US5542482A (en) 1996-08-06
EP0728911B1 (en) 2001-07-04
AU4210496A (en) 1996-08-01
DK0728911T3 (en) 2001-09-17
NO960275D0 (en) 1996-01-23
NO960275L (en) 1996-07-24

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20160122