NO20053943L - Well tractor with improved valve system. - Google Patents

Well tractor with improved valve system.

Info

Publication number
NO20053943L
NO20053943L NO20053943A NO20053943A NO20053943L NO 20053943 L NO20053943 L NO 20053943L NO 20053943 A NO20053943 A NO 20053943A NO 20053943 A NO20053943 A NO 20053943A NO 20053943 L NO20053943 L NO 20053943L
Authority
NO
Norway
Prior art keywords
valve system
improved valve
well tractor
tractor
well
Prior art date
Application number
NO20053943A
Other languages
Norwegian (no)
Other versions
NO328145B1 (en
NO20053943D0 (en
Inventor
Duane Bloom
Norman Bruce Moore
Phillip A Mock
Ernst Krueger
Original Assignee
Western Well Tool 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 Western Well Tool Inc filed Critical Western Well Tool Inc
Publication of NO20053943D0 publication Critical patent/NO20053943D0/en
Publication of NO20053943L publication Critical patent/NO20053943L/en
Publication of NO328145B1 publication Critical patent/NO328145B1/en

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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
    • E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole
NO20053943A 2003-02-10 2005-08-24 Well tractor with equipment for detecting tractor housing displacement and method for the same. NO328145B1 (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
NO20053943D0 NO20053943D0 (en) 2005-08-24
NO20053943L true NO20053943L (en) 2005-10-20
NO328145B1 NO328145B1 (en) 2009-12-14

Family

ID=32872760

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20053943A NO328145B1 (en) 2003-02-10 2005-08-24 Well tractor with equipment for detecting tractor housing displacement and method for the same.

Country Status (5)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6464003B2 (en) 2000-05-18 2002-10-15 Western Well Tool, Inc. Gripper assembly for downhole tractors
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
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
CA2709318C (en) * 2008-01-16 2016-05-17 Welltec A/S A sequence valve and a downhole tractor
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
CN108612516B (en) * 2018-06-07 2024-02-20 中国铁建重工集团股份有限公司 Rock drilling machine and hydraulic control valve group thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE414805B (en) * 1976-11-05 1980-08-18 Sven Halvor Johansson DEVICE DESIGNED FOR RECOVERY RESP MOVEMENT OF A MOUNTAIN BORING DEVICE WHICH SHOULD DRIVE VERY LONG, PREFERRED VERTICAL SHAKES IN THE BACKGROUND
US5794703A (en) * 1996-07-03 1998-08-18 Ctes, L.C. Wellbore tractor and method of moving an item through a wellbore
US6112809A (en) * 1996-12-02 2000-09-05 Intelligent Inspection Corporation Downhole tools with a mobility device
CA2321072C (en) * 1998-12-18 2005-04-12 Western Well Tool, Inc. Electro-hydraulically controlled tractor
US6679341B2 (en) * 2000-12-01 2004-01-20 Western Well Tool, Inc. Tractor with improved valve system

Also Published As

Publication number Publication date
GB0517218D0 (en) 2005-09-28
NO328145B1 (en) 2009-12-14
GB2414499A (en) 2005-11-30
WO2004072433A3 (en) 2004-12-02
WO2004072433A2 (en) 2004-08-26
GB2414499B (en) 2006-06-28
CA2515482A1 (en) 2004-08-26
AU2004210989B2 (en) 2008-12-11
CA2515482C (en) 2013-05-21
NO20053943D0 (en) 2005-08-24
AU2004210989A1 (en) 2004-08-26

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Legal Events

Date Code Title Description
CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: WWT NORTH AMERICA HOLDINGS, US