GB2414499B - Tractor with improved valve system - Google Patents

Tractor with improved valve system

Info

Publication number
GB2414499B
GB2414499B GB0517218A GB0517218A GB2414499B GB 2414499 B GB2414499 B GB 2414499B GB 0517218 A GB0517218 A GB 0517218A GB 0517218 A GB0517218 A GB 0517218A GB 2414499 B GB2414499 B GB 2414499B
Authority
GB
United Kingdom
Prior art keywords
tractor
valve system
improved valve
improved
valve
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.)
Expired - Lifetime
Application number
GB0517218A
Other languages
English (en)
Other versions
GB0517218D0 (en
GB2414499A (en
Inventor
Phillip A Mock
Ernst Krueger
Duane Bloom
N Bruce Moore
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.)
WWT International Inc
Original Assignee
WWT International Inc
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
Priority claimed from US10/745,400 external-priority patent/US7121364B2/en
Application filed by WWT International Inc filed Critical WWT International Inc
Publication of GB0517218D0 publication Critical patent/GB0517218D0/en
Publication of GB2414499A publication Critical patent/GB2414499A/en
Application granted granted Critical
Publication of GB2414499B publication Critical patent/GB2414499B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Fluid-Driven Valves (AREA)
  • Multiple-Way Valves (AREA)
GB0517218A 2003-02-10 2004-02-10 Tractor with improved valve system Expired - Lifetime GB2414499B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US44664403P 2003-02-10 2003-02-10
US44816303P 2003-02-14 2003-02-14
US10/745,400 US7121364B2 (en) 2003-02-10 2003-12-23 Tractor with improved valve system
PCT/US2004/004171 WO2004072433A2 (en) 2003-02-10 2004-02-10 Downhole tractor with improved valve system

Publications (3)

Publication Number Publication Date
GB0517218D0 GB0517218D0 (en) 2005-09-28
GB2414499A GB2414499A (en) 2005-11-30
GB2414499B true GB2414499B (en) 2006-06-28

Family

ID=32872760

Family Applications (1)

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

Country Status (5)

Country Link
AU (1) AU2004210989B2 (no)
CA (1) CA2515482C (no)
GB (1) GB2414499B (no)
NO (1) NO328145B1 (no)
WO (1) WO2004072433A2 (no)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8555963B2 (en) 2000-05-18 2013-10-15 Wwt International, 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
US10815739B2 (en) 2004-05-28 2020-10-27 Schlumberger Technology Corporation System and methods using fiber optics in coiled tubing

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
CA2627284A1 (en) * 2005-10-27 2007-05-03 Shell Canada Limited Extended reach drilling apparatus and method
US7516782B2 (en) 2006-02-09 2009-04-14 Schlumberger Technology Corporation Self-anchoring device with force amplification
US8863824B2 (en) 2006-02-09 2014-10-21 Schlumberger Technology Corporation Downhole sensor interface
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
AU2009204590B2 (en) 2008-01-16 2012-12-13 Welltec A/S A sequence valve and a downhole tractor
CN108612516B (zh) * 2018-06-07 2024-02-20 中国铁建重工集团股份有限公司 一种凿岩钻机及其液压控制阀组

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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3062302A (en) * 2000-12-01 2002-06-11 Western Well Tool Inc Tractor with improved valve system

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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8555963B2 (en) 2000-05-18 2013-10-15 Wwt International, Inc. Gripper assembly for downhole tools
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
US10815739B2 (en) 2004-05-28 2020-10-27 Schlumberger Technology Corporation System and methods using fiber optics in coiled tubing
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
US10156107B2 (en) 2014-01-27 2018-12-18 Wwt North America Holdings, Inc. Eccentric linkage gripper

Also Published As

Publication number Publication date
GB0517218D0 (en) 2005-09-28
WO2004072433A3 (en) 2004-12-02
NO20053943L (no) 2005-10-20
CA2515482A1 (en) 2004-08-26
AU2004210989B2 (en) 2008-12-11
WO2004072433A2 (en) 2004-08-26
AU2004210989A1 (en) 2004-08-26
NO328145B1 (no) 2009-12-14
CA2515482C (en) 2013-05-21
NO20053943D0 (no) 2005-08-24
GB2414499A (en) 2005-11-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20150416 AND 20150422

PE20 Patent expired after termination of 20 years

Expiry date: 20240209