CA2161312A1 - Articulated directional drilling motor assembly - Google Patents

Articulated directional drilling motor assembly

Info

Publication number
CA2161312A1
CA2161312A1 CA002161312A CA2161312A CA2161312A1 CA 2161312 A1 CA2161312 A1 CA 2161312A1 CA 002161312 A CA002161312 A CA 002161312A CA 2161312 A CA2161312 A CA 2161312A CA 2161312 A1 CA2161312 A1 CA 2161312A1
Authority
CA
Canada
Prior art keywords
borehole
housing
lower housing
directional drilling
housing section
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
CA002161312A
Other languages
French (fr)
Other versions
CA2161312C (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 CA2161312A1 publication Critical patent/CA2161312A1/en
Application granted granted Critical
Publication of CA2161312C publication Critical patent/CA2161312C/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 lower housing section carries a full gage stabilizer that centers its lower end 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 below the lower housing section 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.
CA002161312A 1994-11-01 1995-10-24 Articulated directional drilling motor assembly Expired - Lifetime CA2161312C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/332,682 1994-11-01
US08/332,682 US5520256A (en) 1994-11-01 1994-11-01 Articulated directional drilling motor assembly

Publications (2)

Publication Number Publication Date
CA2161312A1 true CA2161312A1 (en) 1996-05-02
CA2161312C CA2161312C (en) 2004-02-03

Family

ID=23299366

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002161312A Expired - Lifetime CA2161312C (en) 1994-11-01 1995-10-24 Articulated directional drilling motor assembly

Country Status (6)

Country Link
US (1) US5520256A (en)
EP (1) EP0710764B1 (en)
AU (1) AU690334B2 (en)
CA (1) CA2161312C (en)
DE (1) DE69527591T2 (en)
NO (1) NO309952B1 (en)

Cited By (2)

* 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

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US5542482A (en) * 1994-11-01 1996-08-06 Schlumberger Technology Corporation Articulated directional drilling motor assembly
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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
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
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US8960331B2 (en) 2012-03-03 2015-02-24 Weatherford/Lamb, Inc. Wired or ported universal joint for downhole drilling motor
US9657520B2 (en) 2013-08-23 2017-05-23 Weatherford Technology Holdings, Llc Wired or ported transmission shaft and universal joints for downhole drilling motor
US10208543B2 (en) 2015-03-17 2019-02-19 Klx Energy Services Llc Drive shaft assembly for downhole mud motor configured for directional drilling
US10041299B2 (en) * 2015-05-01 2018-08-07 Ashmin Holding Llc CV joint for drilling motor and method
US9650834B1 (en) * 2016-01-06 2017-05-16 Isodrill, Llc Downhole apparatus and method for torsional oscillation abatement
US11008809B2 (en) * 2019-01-29 2021-05-18 Rival Downhole Tools, Lc Bent housing drilling motor with counter-rotating lower end
CN113073969A (en) * 2021-03-16 2021-07-06 徐梓辰 Logging device and method
WO2022194159A1 (en) * 2021-03-16 2022-09-22 徐梓辰 Well logging device and method
CN113863850B (en) * 2021-10-21 2022-08-23 盐城市荣嘉机械制造有限公司 Single-double-bending conversion multifunctional hinge motor for ultra-short radius horizontal drilling
CN117108201B (en) * 2023-07-26 2024-04-02 中国矿业大学(北京) Directional drilling device with controllable curvature and drilling method

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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
EP0710764B1 (en) 2002-07-31
DE69527591T2 (en) 2003-02-27
US5520256A (en) 1996-05-28
EP0710764A3 (en) 1998-02-04
DE69527591D1 (en) 2002-09-05
NO954362D0 (en) 1995-10-31
AU690334B2 (en) 1998-04-23
NO309952B1 (en) 2001-04-23
NO954362L (en) 1996-05-02
AU3445495A (en) 1996-05-09
CA2161312C (en) 2004-02-03
EP0710764A2 (en) 1996-05-08

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20151026