WO2004072433A3 - Downhole tractor with improved valve system - Google Patents

Downhole tractor with improved valve system

Info

Publication number
WO2004072433A3
WO2004072433A3 PCT/US2004/004171 US2004004171W WO2004072433A3 WO 2004072433 A3 WO2004072433 A3 WO 2004072433A3 US 2004004171 W US2004004171 W US 2004004171W WO 2004072433 A3 WO2004072433 A3 WO 2004072433A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
valve
control
gripper
assembly
forward
Prior art date
Application number
PCT/US2004/004171
Other languages
French (fr)
Other versions
WO2004072433A2 (en )
Inventor
Phillip A Mock
Ernst Krueger
Duane Bloom
N Bruce Moore
Original Assignee
Western Well Tool Inc
Phillip A Mock
Ernst Krueger
Duane Bloom
N Bruce Moore
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

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives used in the borehole
    • E21B4/18Anchoring or feeding in the borehole
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
    • E21B2023/008Self propelling system or apparatus, e.g. for moving tools within the horizontal portion of a borehole

Abstract

A hydraulically powered tractor 100 adapted for advancement through a borehole including an elongate body, aft and forward gripper assemblies 104, 106, and a valve control assembly 102 housed within the elongate body. The aft and forward gripper assemblies 104, 106 are adapted for selective engagement with the inner surface of the borehole. The valve control assembly 102 includes a gripper control valve 312 for directing pressurized fluid to the aft and forward gripper assemblies 104, 106. The valve control assembly 102 also includes a propulsion control valve 310 for directing fluid to an aft or forward power chamber for advancing the body relative to the actuated gripper assembly. Aft and forward mechanically actuated valves 322, 324 may be provided for controlling the position of the gripper control valve 312 by detecting and signaling when the body has completed an advancement stroke relative to an actuated gripper assembly. Aft and forward sequence valves 314, 316 may be provided for controlling the propulsion control valve 310 by detecting when the gripper assemblies become fully actuated. Furthermore, a pressure relief valve 306 is preferably provided along an input supply line 302, 352 for limiting the pressure of the fluid entering the valve control assembly 102.
PCT/US2004/004171 2003-02-10 2004-02-10 Downhole tractor with improved valve system WO2004072433A3 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US44664403 true 2003-02-10 2003-02-10
US60/446,644 2003-02-10
US44816303 true 2003-02-14 2003-02-14
US60/448,163 2003-02-14
US10745400 US7121364B2 (en) 2003-02-10 2003-12-23 Tractor with improved valve system
US10/745,400 2003-12-23

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0517218A GB2414499B (en) 2003-02-10 2004-02-10 Tractor with improved valve system
CA 2515482 CA2515482C (en) 2003-02-10 2004-02-10 Tractor with improved valve system

Publications (2)

Publication Number Publication Date
WO2004072433A2 true WO2004072433A2 (en) 2004-08-26
WO2004072433A3 true true WO2004072433A3 (en) 2004-12-02

Family

ID=32872760

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/004171 WO2004072433A3 (en) 2003-02-10 2004-02-10 Downhole tractor with improved valve system

Country Status (3)

Country Link
CA (1) CA2515482C (en)
GB (1) GB2414499B (en)
WO (1) WO2004072433A3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8944161B2 (en) 2000-05-18 2015-02-03 Wwt North America Holdings, Inc. Gripper assembly for downhole tools
US9447648B2 (en) 2011-10-28 2016-09-20 Wwt North America Holdings, Inc High expansion or dual link gripper
US9488020B2 (en) 2014-01-27 2016-11-08 Wwt North America Holdings, Inc. Eccentric linkage gripper

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7150318B2 (en) 2003-10-07 2006-12-19 Halliburton Energy Services, Inc. Apparatus for actuating a well tool and method for use of same
US9500058B2 (en) 2004-05-28 2016-11-22 Schlumberger Technology Corporation Coiled tubing tractor assembly
US7617873B2 (en) 2004-05-28 2009-11-17 Schlumberger Technology Corporation System and methods using fiber optics in coiled tubing
CN101297095A (en) * 2005-10-27 2008-10-29 国际壳牌研究有限公司 Extended reach drilling apparatus and method
US8863824B2 (en) 2006-02-09 2014-10-21 Schlumberger Technology Corporation Downhole sensor interface
US7516782B2 (en) 2006-02-09 2009-04-14 Schlumberger Technology Corporation Self-anchoring device with force amplification
US9133673B2 (en) 2007-01-02 2015-09-15 Schlumberger Technology Corporation Hydraulically driven tandem tractor assembly
US8770303B2 (en) 2007-02-19 2014-07-08 Schlumberger Technology Corporation Self-aligning open-hole tractor
WO2009089838A1 (en) * 2008-01-16 2009-07-23 Welltec A/S A sequence valve and a downhole tractor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141414A (en) * 1976-11-05 1979-02-27 Johansson Sven H Device for supporting, raising and lowering duct in deep bore hole
WO1998001651A1 (en) * 1996-07-03 1998-01-15 Ctes, L.C. Wellbore tractor
US6241031B1 (en) * 1998-12-18 2001-06-05 Western Well Tool, Inc. Electro-hydraulically controlled tractor
US6431270B1 (en) * 1996-12-02 2002-08-13 Intelligent Inspection Corporation Downhole tools with a mobility device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141414A (en) * 1976-11-05 1979-02-27 Johansson Sven H Device for supporting, raising and lowering duct in deep bore hole
WO1998001651A1 (en) * 1996-07-03 1998-01-15 Ctes, L.C. Wellbore tractor
US6431270B1 (en) * 1996-12-02 2002-08-13 Intelligent Inspection Corporation Downhole tools with a mobility device
US6241031B1 (en) * 1998-12-18 2001-06-05 Western Well Tool, Inc. Electro-hydraulically controlled tractor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8944161B2 (en) 2000-05-18 2015-02-03 Wwt North America Holdings, Inc. Gripper assembly for downhole tools
US9228403B1 (en) 2000-05-18 2016-01-05 Wwt North America Holdings, Inc. Gripper assembly for downhole tools
US9447648B2 (en) 2011-10-28 2016-09-20 Wwt North America Holdings, Inc High expansion or dual link gripper
US9488020B2 (en) 2014-01-27 2016-11-08 Wwt North America Holdings, Inc. Eccentric linkage gripper

Also Published As

Publication number Publication date Type
CA2515482C (en) 2013-05-21 grant
GB0517218D0 (en) 2005-09-28 grant
GB2414499A (en) 2005-11-30 application
CA2515482A1 (en) 2004-08-26 application
GB2414499B (en) 2006-06-28 grant
WO2004072433A2 (en) 2004-08-26 application

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