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WO2004085790A3 - Apparatus for radially expanding and plastically deforming a tubular member - Google Patents

Apparatus for radially expanding and plastically deforming a tubular member Download PDF

Info

Publication number
WO2004085790A3
WO2004085790A3 PCT/US2004/009434 US2004009434W WO2004085790A3 WO 2004085790 A3 WO2004085790 A3 WO 2004085790A3 US 2004009434 W US2004009434 W US 2004009434W WO 2004085790 A3 WO2004085790 A3 WO 2004085790A3
Authority
WO
WIPO (PCT)
Prior art keywords
tubular member
plastically deforming
radially expanding
plastically
deforming
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.)
Ceased
Application number
PCT/US2004/009434
Other languages
French (fr)
Other versions
WO2004085790A2 (en
Inventor
Brock Wayne Watson
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.)
Enventure Global Technology Inc
Original Assignee
Enventure Global Technology 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
Application filed by Enventure Global Technology Inc filed Critical Enventure Global Technology Inc
Priority to CA002522918A priority Critical patent/CA2522918C/en
Priority to GB0521931A priority patent/GB2415987B/en
Priority to US10/550,906 priority patent/US20080190616A1/en
Publication of WO2004085790A2 publication Critical patent/WO2004085790A2/en
Anticipated expiration legal-status Critical
Priority to NO20054987A priority patent/NO20054987L/en
Priority to US11/552,703 priority patent/US7546881B2/en
Priority to US11/838,782 priority patent/US20080142213A1/en
Publication of WO2004085790A3 publication Critical patent/WO2004085790A3/en
Ceased 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/16—Grappling tools, e.g. tongs or grabs combined with cutting or destroying means
    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • E21B43/105—Expanding tools specially adapted therefor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Prostheses (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Automatic Assembly (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Pipe Accessories (AREA)
  • Turning (AREA)

Abstract

An apparatus for radially expanding and plastically deforming a tubular member.
PCT/US2004/009434 2001-09-07 2004-03-26 Apparatus for radially expanding and plastically deforming a tubular member Ceased WO2004085790A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA002522918A CA2522918C (en) 2003-03-27 2004-03-26 Apparatus and method for cutting a tubular
GB0521931A GB2415987B (en) 2003-03-27 2004-03-26 Apparatus for radially expanding and plastically deforming a tubular member
US10/550,906 US20080190616A1 (en) 2003-03-27 2004-03-26 Apparatus for Radially Expanding and Plastically Deforming a Tubular Member
NO20054987A NO20054987L (en) 2003-03-27 2005-10-26 Apparatus for radial expansion and plastic deformation of a rudder body
US11/552,703 US7546881B2 (en) 2001-09-07 2006-10-25 Apparatus for radially expanding and plastically deforming a tubular member
US11/838,782 US20080142213A1 (en) 2002-11-12 2007-08-14 Radial expansion of a wellbore casing against a formation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45796503P 2003-03-27 2003-03-27
US60/457,965 2003-03-27

Related Parent Applications (4)

Application Number Title Priority Date Filing Date
PCT/US2004/007711 Continuation-In-Part WO2004081346A2 (en) 2001-09-07 2004-03-11 Apparatus for radially expanding and plastically deforming a tubular member
US10/548,934 Continuation-In-Part US7793721B2 (en) 2001-09-07 2004-03-11 Apparatus for radially expanding and plastically deforming a tubular member
US10548934 Continuation-In-Part 2004-03-11
PCT/US2004/010317 Continuation-In-Part WO2004089608A2 (en) 2001-09-07 2004-04-02 Apparatus for radially expanding and plastically deforming a tubular member

Related Child Applications (6)

Application Number Title Priority Date Filing Date
PCT/US2004/007711 Continuation-In-Part WO2004081346A2 (en) 2001-09-07 2004-03-11 Apparatus for radially expanding and plastically deforming a tubular member
US10551906 A-371-Of-International 2004-03-26
US10/550,906 A-371-Of-International US20080190616A1 (en) 2001-09-07 2004-03-26 Apparatus for Radially Expanding and Plastically Deforming a Tubular Member
PCT/US2004/010317 Continuation-In-Part WO2004089608A2 (en) 2001-09-07 2004-04-02 Apparatus for radially expanding and plastically deforming a tubular member
US10551880 Continuation-In-Part 2004-04-02
US10/552,253 Continuation-In-Part US20060266527A1 (en) 2001-09-07 2004-04-06 Apparatus for radially expanding and plastically deforming a tubular member

Publications (2)

Publication Number Publication Date
WO2004085790A2 WO2004085790A2 (en) 2004-10-07
WO2004085790A3 true WO2004085790A3 (en) 2008-11-27

Family

ID=33098254

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/009434 Ceased WO2004085790A2 (en) 2001-09-07 2004-03-26 Apparatus for radially expanding and plastically deforming a tubular member

Country Status (5)

Country Link
US (1) US20080190616A1 (en)
CA (1) CA2522918C (en)
GB (1) GB2415987B (en)
NO (1) NO20054987L (en)
WO (1) WO2004085790A2 (en)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6557640B1 (en) 1998-12-07 2003-05-06 Shell Oil Company Lubrication and self-cleaning system for expansion mandrel
US7603758B2 (en) 1998-12-07 2009-10-20 Shell Oil Company Method of coupling a tubular member
US7231985B2 (en) 1998-11-16 2007-06-19 Shell Oil Company Radial expansion of tubular members
WO2001098623A1 (en) 1998-11-16 2001-12-27 Shell Oil Company Radial expansion of tubular members
US7357188B1 (en) 1998-12-07 2008-04-15 Shell Oil Company Mono-diameter wellbore casing
US7121352B2 (en) 1998-11-16 2006-10-17 Enventure Global Technology Isolation of subterranean zones
US6823937B1 (en) 1998-12-07 2004-11-30 Shell Oil Company Wellhead
GB2344606B (en) 1998-12-07 2003-08-13 Shell Int Research Forming a wellbore casing by expansion of a tubular member
AU3792000A (en) 1998-12-07 2000-12-21 Shell Internationale Research Maatschappij B.V. Lubrication and self-cleaning system for expansion mandrel
US6758278B2 (en) 1998-12-07 2004-07-06 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US7552776B2 (en) 1998-12-07 2009-06-30 Enventure Global Technology, Llc Anchor hangers
US7195064B2 (en) 1998-12-07 2007-03-27 Enventure Global Technology Mono-diameter wellbore casing
US7363984B2 (en) 1998-12-07 2008-04-29 Enventure Global Technology, Llc System for radially expanding a tubular member
US7185710B2 (en) 1998-12-07 2007-03-06 Enventure Global Technology Mono-diameter wellbore casing
AU770359B2 (en) 1999-02-26 2004-02-19 Shell Internationale Research Maatschappij B.V. Liner hanger
US7055608B2 (en) 1999-03-11 2006-06-06 Shell Oil Company Forming a wellbore casing while simultaneously drilling a wellbore
US7350563B2 (en) 1999-07-09 2008-04-01 Enventure Global Technology, L.L.C. System for lining a wellbore casing
GB2374622B (en) 1999-11-01 2003-12-10 Shell Oil Co Wellbore casing repair
US7516790B2 (en) 1999-12-03 2009-04-14 Enventure Global Technology, Llc Mono-diameter wellbore casing
US7234531B2 (en) 1999-12-03 2007-06-26 Enventure Global Technology, Llc Mono-diameter wellbore casing
US7100684B2 (en) 2000-07-28 2006-09-05 Enventure Global Technology Liner hanger with standoffs
AU2001292695B2 (en) 2000-09-18 2006-07-06 Shell Internationale Research Maatschappij B.V. Liner hanger with sliding sleeve valve
AU2001294802B2 (en) 2000-10-02 2005-12-01 Shell Internationale Research Maatschappij B.V. Method and apparatus for casing expansion
US7100685B2 (en) 2000-10-02 2006-09-05 Enventure Global Technology Mono-diameter wellbore casing
CA2428819A1 (en) 2001-01-03 2002-07-11 Enventure Global Technology Mono-diameter wellbore casing
US7410000B2 (en) 2001-01-17 2008-08-12 Enventure Global Technology, Llc. Mono-diameter wellbore casing
AU2002345912A1 (en) 2001-07-06 2003-01-21 Enventure Global Technology Liner hanger
CA2453034C (en) 2001-07-06 2010-09-14 Enventure Global Technology Liner hanger
US7258168B2 (en) 2001-07-27 2007-08-21 Enventure Global Technology L.L.C. Liner hanger with slip joint sealing members and method of use
GB2409217B (en) 2001-08-20 2005-12-28 Enventure Global Technology Apparatus for radially expanding tubular members including an adjustable expansion device
WO2004081346A2 (en) 2003-03-11 2004-09-23 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
WO2003023178A2 (en) 2001-09-07 2003-03-20 Enventure Global Technology Adjustable expansion cone assembly
US7546881B2 (en) 2001-09-07 2009-06-16 Enventure Global Technology, Llc Apparatus for radially expanding and plastically deforming a tubular member
GB2421257B (en) 2001-11-12 2006-08-16 Enventure Global Technology Mono diameter wellbore casing
NL1019368C2 (en) 2001-11-14 2003-05-20 Nutricia Nv Preparation for improving receptor performance.
GB2401893B (en) 2001-12-27 2005-07-13 Enventure Global Technology Seal receptacle using expandable liner hanger
US7424918B2 (en) 2002-08-23 2008-09-16 Enventure Global Technology, L.L.C. Interposed joint sealing layer method of forming a wellbore casing
WO2004027786A2 (en) 2002-09-20 2004-04-01 Enventure Global Technology Protective sleeve for expandable tubulars
EP1985797B1 (en) 2002-04-12 2011-10-26 Enventure Global Technology Protective sleeve for threated connections for expandable liner hanger
EP1501645A4 (en) 2002-04-15 2006-04-26 Enventure Global Technology Protective sleeve for threaded connections for expandable liner hanger
WO2003102365A1 (en) 2002-05-29 2003-12-11 Eventure Global Technology System for radially expanding a tubular member
GB2418943B (en) 2002-06-10 2006-09-06 Enventure Global Technology Mono Diameter Wellbore Casing
AU2003258274A1 (en) 2002-08-23 2004-03-11 Enventure Global Technology Magnetic impulse applied sleeve method of forming a wellbore casing
CA2499071C (en) 2002-09-20 2014-06-03 Enventure Global Technology Self-lubricating expansion mandrel for expandable tubular
WO2004027392A1 (en) 2002-09-20 2004-04-01 Enventure Global Technology Pipe formability evaluation for expandable tubulars
AU2003270774A1 (en) 2002-09-20 2004-04-08 Enventure Global Technlogy Bottom plug for forming a mono diameter wellbore casing
US7886831B2 (en) 2003-01-22 2011-02-15 Enventure Global Technology, L.L.C. Apparatus for radially expanding and plastically deforming a tubular member
GB2433281B (en) 2003-01-27 2007-08-01 Enventure Global Technology Lubrication system for radially expanding tubular members
GB2415983B (en) 2003-02-26 2007-09-05 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
CA2523862C (en) 2003-04-17 2009-06-23 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
GB0412131D0 (en) 2004-05-29 2004-06-30 Weatherford Lamb Coupling and seating tubulars in a bore
US20050166387A1 (en) 2003-06-13 2005-08-04 Cook Robert L. Method and apparatus for forming a mono-diameter wellbore casing
CA2471053C (en) 2003-06-16 2007-11-06 Weatherford/Lamb, Inc. Borehole tubing expansion using two expansion devices
GB0315997D0 (en) 2003-07-09 2003-08-13 Weatherford Lamb Expanding tubing
US7712522B2 (en) 2003-09-05 2010-05-11 Enventure Global Technology, Llc Expansion cone and system
WO2006020960A2 (en) 2004-08-13 2006-02-23 Enventure Global Technology, Llc Expandable tubular
US7779910B2 (en) * 2008-02-07 2010-08-24 Halliburton Energy Services, Inc. Expansion cone for expandable liner hanger
US8122960B2 (en) * 2009-08-17 2012-02-28 Baker Hughes Incorporated Spoolable coiled tubing spear for use in wellbores and methods of using same
US8770319B2 (en) * 2009-10-01 2014-07-08 Longyear Tm, Inc. Pump-in seal
US8261842B2 (en) 2009-12-08 2012-09-11 Halliburton Energy Services, Inc. Expandable wellbore liner system
USD649228S1 (en) * 2010-11-11 2011-11-22 Longyear Tm, Inc. Seal for head assembly
USD650052S1 (en) * 2010-11-11 2011-12-06 Longyear Tm, Inc. Seal for head assembly
USD648836S1 (en) * 2010-11-11 2011-11-15 Longyear Tm, Inc. Seal for head assembly
WO2014121039A1 (en) * 2013-01-31 2014-08-07 Duke University System for improved compressive tomography and method therefor
US9637992B2 (en) 2013-08-01 2017-05-02 Baker Hughes Incorporated Downhole spear having mechanical release mechanism for use in wellbores and methods of using same
WO2015171586A1 (en) * 2014-05-05 2015-11-12 Enventure Global Technology, Inc. Expansion system
WO2017001391A1 (en) 2015-07-01 2017-01-05 Shell Internationale Research Maatschappij B.V. Hybrid push and pull method and system for expanding well tubulars
CN109555497B (en) * 2019-01-30 2024-01-19 中国石油天然气集团有限公司 Small well-hole retractable overshot and use method thereof
CN113738271A (en) * 2021-08-04 2021-12-03 中煤科工集团西安研究院有限公司 Method for completing hole of expansion type slotted pipe of soft coal seam in underground coal mine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5297833A (en) * 1992-11-12 1994-03-29 W-N Apache Corporation Apparatus for gripping a down hole tubular for support and rotation
US6851476B2 (en) * 2001-08-03 2005-02-08 Weather/Lamb, Inc. Dual sensor freepoint tool
US6918440B2 (en) * 2003-04-16 2005-07-19 Halliburton Energy Services, Inc. Testing drill packer
US6926088B2 (en) * 2002-08-08 2005-08-09 Team Oil Tools, Llc Sequential release packer J tools for single trip insertion and extraction

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6598678B1 (en) * 1999-12-22 2003-07-29 Weatherford/Lamb, Inc. Apparatus and methods for separating and joining tubulars in a wellbore
US7373990B2 (en) * 1999-12-22 2008-05-20 Weatherford/Lamb, Inc. Method and apparatus for expanding and separating tubulars in a wellbore
US20060196679A1 (en) * 2003-04-08 2006-09-07 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
WO2004081346A2 (en) * 2003-03-11 2004-09-23 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
US6808022B2 (en) * 2002-05-16 2004-10-26 Halliburton Energy Services, Inc. Latch profile installation in existing casing
US20060137877A1 (en) * 2002-09-20 2006-06-29 Watson Brock W Cutter for wellbore casing
US6834725B2 (en) * 2002-12-12 2004-12-28 Weatherford/Lamb, Inc. Reinforced swelling elastomer seal element on expandable tubular
CA2523862C (en) * 2003-04-17 2009-06-23 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5297833A (en) * 1992-11-12 1994-03-29 W-N Apache Corporation Apparatus for gripping a down hole tubular for support and rotation
US6851476B2 (en) * 2001-08-03 2005-02-08 Weather/Lamb, Inc. Dual sensor freepoint tool
US6926088B2 (en) * 2002-08-08 2005-08-09 Team Oil Tools, Llc Sequential release packer J tools for single trip insertion and extraction
US6918440B2 (en) * 2003-04-16 2005-07-19 Halliburton Energy Services, Inc. Testing drill packer

Also Published As

Publication number Publication date
GB0521931D0 (en) 2005-12-07
CA2522918A1 (en) 2004-10-07
NO20054987L (en) 2005-11-17
CA2522918C (en) 2009-10-20
NO20054987D0 (en) 2005-10-26
GB2415987B (en) 2007-09-12
GB2415987A (en) 2006-01-11
WO2004085790A2 (en) 2004-10-07
US20080190616A1 (en) 2008-08-14

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