NO20042745L - Fremgangsmate og apparat for en oppadrettet utfresing av et fôringsparti - Google Patents

Fremgangsmate og apparat for en oppadrettet utfresing av et fôringsparti

Info

Publication number
NO20042745L
NO20042745L NO20042745A NO20042745A NO20042745L NO 20042745 L NO20042745 L NO 20042745L NO 20042745 A NO20042745 A NO 20042745A NO 20042745 A NO20042745 A NO 20042745A NO 20042745 L NO20042745 L NO 20042745L
Authority
NO
Norway
Prior art keywords
feeding portion
upward milling
milling
upward
feeding
Prior art date
Application number
NO20042745A
Other languages
English (en)
Other versions
NO331250B1 (no
Inventor
John P Davis
Gerald D Lynde
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO20042745L publication Critical patent/NO20042745L/no
Publication of NO331250B1 publication Critical patent/NO331250B1/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B29/00Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/002Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe
    • E21B29/005Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe with a radially-expansible cutter rotating inside the pipe, e.g. for cutting an annular window
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/09Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E21B47/095Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting an acoustic anomalies, e.g. using mud-pressure pulses
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Acoustics & Sound (AREA)
  • Earth Drilling (AREA)
  • Disintegrating Or Milling (AREA)
NO20042745A 2001-11-30 2004-06-29 Fremgangsmate og anordning for utfresing av fôringsrorseksjon i en bronn NO331250B1 (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US33845801P 2001-11-30 2001-11-30
US10/123,077 US6679328B2 (en) 1999-07-27 2002-04-11 Reverse section milling method and apparatus
PCT/US2002/037061 WO2003048510A1 (en) 2001-11-30 2002-11-20 Reverse section milling method and apparatus

Publications (2)

Publication Number Publication Date
NO20042745L true NO20042745L (no) 2004-08-30
NO331250B1 NO331250B1 (no) 2011-11-07

Family

ID=26821212

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20042745A NO331250B1 (no) 2001-11-30 2004-06-29 Fremgangsmate og anordning for utfresing av fôringsrorseksjon i en bronn

Country Status (7)

Country Link
US (1) US6679328B2 (no)
AU (1) AU2002348294B2 (no)
CA (1) CA2468729C (no)
DE (1) DE10297474T5 (no)
GB (1) GB2399372B (no)
NO (1) NO331250B1 (no)
WO (1) WO2003048510A1 (no)

Families Citing this family (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6823937B1 (en) * 1998-12-07 2004-11-30 Shell Oil Company Wellhead
US7357188B1 (en) * 1998-12-07 2008-04-15 Shell Oil Company Mono-diameter wellbore casing
US7231985B2 (en) * 1998-11-16 2007-06-19 Shell Oil Company Radial expansion of tubular members
GB2384502B (en) * 1998-11-16 2004-10-13 Shell Oil Co Coupling an expandable tubular member to a preexisting structure
US7121352B2 (en) * 1998-11-16 2006-10-17 Enventure Global Technology Isolation of subterranean zones
US20070051520A1 (en) * 1998-12-07 2007-03-08 Enventure Global Technology, Llc Expansion system
GB2344606B (en) * 1998-12-07 2003-08-13 Shell Int Research Forming a wellbore casing by expansion of a tubular member
US7552776B2 (en) * 1998-12-07 2009-06-30 Enventure Global Technology, Llc Anchor hangers
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
US20050123639A1 (en) * 1999-10-12 2005-06-09 Enventure Global Technology L.L.C. Lubricant coating for expandable tubular members
US7234531B2 (en) * 1999-12-03 2007-06-26 Enventure Global Technology, Llc Mono-diameter wellbore casing
US6454007B1 (en) * 2000-06-30 2002-09-24 Weatherford/Lamb, Inc. Method and apparatus for casing exit system using coiled tubing
WO2002023007A1 (en) * 2000-09-18 2002-03-21 Shell Oil Company Liner hanger with sliding sleeve valve
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
CA2453063C (en) * 2001-07-06 2011-03-22 Enventure Global Technology Liner hanger
AU2002318438A1 (en) * 2001-07-06 2003-01-21 Enventure Global Technology Liner hanger
GB2409216B (en) * 2001-08-20 2006-04-12 Enventure Global Technology Apparatus for radially expanding tubular members including a segmented expansion cone
GB2396646B (en) * 2001-09-07 2006-03-01 Enventure Global Technology Adjustable expansion cone assembly
US7775290B2 (en) 2003-04-17 2010-08-17 Enventure Global Technology, Llc Apparatus for radially expanding and plastically deforming a tubular member
US7559365B2 (en) * 2001-11-12 2009-07-14 Enventure Global Technology, Llc Collapsible expansion cone
US20060207760A1 (en) * 2002-06-12 2006-09-21 Watson Brock W Collapsible expansion cone
CA2471875A1 (en) * 2001-12-27 2003-07-17 Enventure Global Technology Seal receptacle using expandable liner hanger
US7377326B2 (en) * 2002-08-23 2008-05-27 Enventure Global Technology, L.L.C. Magnetic impulse applied sleeve method of forming a wellbore casing
WO2004018823A2 (en) * 2002-08-23 2004-03-04 Enventure Global Technology Interposed joint sealing layer method of forming a wellbore casing
US7918284B2 (en) * 2002-04-15 2011-04-05 Enventure Global Technology, L.L.C. Protective sleeve for threaded connections for expandable liner hanger
US7404444B2 (en) * 2002-09-20 2008-07-29 Enventure Global Technology Protective sleeve for expandable tubulars
CN1646786A (zh) * 2002-02-15 2005-07-27 亿万奇环球技术公司 单直径井筒套管
EP1985796B1 (en) * 2002-04-12 2012-05-16 Enventure Global Technology Protective sleeve for threated connections for expandable liner hanger
CA2484966A1 (en) * 2002-05-06 2003-11-13 Enventure Global Technology Mono diameter wellbore casing
US7360591B2 (en) * 2002-05-29 2008-04-22 Enventure Global Technology, Llc System for radially expanding a tubular member
WO2003104601A2 (en) * 2002-06-10 2003-12-18 Enventure Global Technology Mono-diameter wellbore casing
AU2003253770A1 (en) * 2002-07-24 2004-02-09 Enventure Global Technology Dual well completion system
WO2004011776A2 (en) * 2002-07-29 2004-02-05 Enventure Global Technology Method of forming a mono diameter wellbore casing
US7739917B2 (en) * 2002-09-20 2010-06-22 Enventure Global Technology, Llc Pipe formability evaluation for expandable tubulars
CA2499030A1 (en) * 2002-09-20 2004-04-01 Enventure Global Technology Mono diameter wellbore casing
AU2003270774A1 (en) * 2002-09-20 2004-04-08 Enventure Global Technlogy Bottom plug for forming a mono diameter wellbore casing
WO2004027204A2 (en) * 2002-09-20 2004-04-01 Enventure Global Technology Cutter for wellbore casing
AU2003298954A1 (en) * 2002-09-20 2004-03-29 Enventure Global Technlogy Threaded connection for expandable tubulars
AU2003293388A1 (en) * 2002-12-05 2004-06-30 Enventure Global Technology System for radially expanding tubular members
WO2004076798A2 (en) * 2003-02-26 2004-09-10 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
US7886831B2 (en) * 2003-01-22 2011-02-15 Enventure Global Technology, L.L.C. Apparatus for radially expanding and plastically deforming a tubular member
GB2429224B (en) * 2003-02-18 2007-11-28 Enventure Global Technology Protective compression and tension sleeves for threaded connections for radially expandable tubular members
GB2415454B (en) * 2003-03-11 2007-08-01 Enventure Global Technology Apparatus for radially expanding and plastically deforming a tubular member
US6880646B2 (en) * 2003-04-16 2005-04-19 Gas Technology Institute Laser wellbore completion apparatus and method
US7143848B2 (en) * 2003-06-05 2006-12-05 Armell Richard A Downhole tool
US20050166387A1 (en) * 2003-06-13 2005-08-04 Cook Robert L. Method and apparatus for forming a mono-diameter wellbore casing
US20070056743A1 (en) * 2003-09-02 2007-03-15 Enventure Global Technology Method of radially expanding and plastically deforming tubular members
US7712522B2 (en) 2003-09-05 2010-05-11 Enventure Global Technology, Llc Expansion cone and system
GB2432866A (en) 2004-08-13 2007-06-06 Enventure Global Technology Expandable tubular
US7481282B2 (en) 2005-05-13 2009-01-27 Weatherford/Lamb, Inc. Flow operated orienter
EP1915508A2 (en) * 2005-07-27 2008-04-30 Enventure Global Technology, L.L.C. Method and apparatus for coupling expandable tubular members
US8875810B2 (en) 2006-03-02 2014-11-04 Baker Hughes Incorporated Hole enlargement drilling device and methods for using same
CA2644442C (en) * 2006-03-02 2013-04-23 Baker Hughes Incorporated Automated steerable hole enlargement drilling device and methods
US7644763B2 (en) * 2007-03-26 2010-01-12 Baker Hughes Incorporated Downhole cutting tool and method
US7575056B2 (en) 2007-03-26 2009-08-18 Baker Hughes Incorporated Tubular cutting device
CA2682316C (en) * 2007-04-04 2013-02-19 Weatherford/Lamb, Inc. Apparatus and methods of milling a restricted casing shoe
US7757754B2 (en) * 2007-08-24 2010-07-20 Baker Hughes Incorporated Combination motor casing and spear
US7621327B2 (en) 2007-10-31 2009-11-24 Baker Hughes Incorporated Downhole seal bore repair device
US20090114398A1 (en) * 2007-11-07 2009-05-07 Frank's International, Inc. Apparatus and Method for Gripping and/or Handling Tubulars
GB2483825B (en) 2008-01-17 2012-06-06 Weatherford Lamb Flow operated orienter
US20090279966A1 (en) * 2008-05-12 2009-11-12 Baker Hughes Incorporated Reverse flow mill
NO329613B1 (no) * 2009-04-14 2010-11-22 West Production Tech As Anordning ved nedihullsapparat for maskinering av fôringsrør samt framgangsmåte for deponering av maskineringsspon
US9022117B2 (en) 2010-03-15 2015-05-05 Weatherford Technology Holdings, Llc Section mill and method for abandoning a wellbore
US8555955B2 (en) 2010-12-21 2013-10-15 Baker Hughes Incorporated One trip multiple string section milling of subterranean tubulars
US8973651B2 (en) 2011-06-16 2015-03-10 Baker Hughes Incorporated Modular anchoring sub for use with a cutting tool
US8887798B2 (en) 2011-08-25 2014-11-18 Smith International, Inc. Hydraulic stabilizer for use with a downhole casing cutter
US9187971B2 (en) 2012-05-04 2015-11-17 Baker Hughes Incorporated Oilfield downhole wellbore section mill
US9051799B2 (en) * 2012-09-06 2015-06-09 Baker Hughes Incorporated Preload and centralizing device for milling subterranean barrier valves
US9366101B2 (en) * 2012-10-04 2016-06-14 Baker Hughes Incorporated Cutting and pulling tool with double acting hydraulic piston
US9725977B2 (en) 2012-10-04 2017-08-08 Baker Hughes Incorporated Retractable cutting and pulling tool with uphole milling capability
US9399892B2 (en) 2013-05-13 2016-07-26 Baker Hughes Incorporated Earth-boring tools including movable cutting elements and related methods
US9759014B2 (en) 2013-05-13 2017-09-12 Baker Hughes Incorporated Earth-boring tools including movable formation-engaging structures and related methods
US9938781B2 (en) 2013-10-11 2018-04-10 Weatherford Technology Holdings, Llc Milling system for abandoning a wellbore
US20150167394A1 (en) * 2013-12-16 2015-06-18 Smith International, Inc. Cutting elements for casing milling
US10202814B2 (en) * 2014-06-10 2019-02-12 Schlumberger Technology Corporation Downhole tool with expandable stabilizer and underreamer
US10030459B2 (en) * 2014-07-08 2018-07-24 Smith International, Inc. Thru-casing milling
SK500792014A3 (sk) 2014-12-23 2016-09-05 Ga Drilling, A. S. Spôsob odstraňovania materiálov ich dezintegráciou pôsobením elektrickej plazmy
US10037836B2 (en) 2015-04-03 2018-07-31 Schlumberger Technology Corporation Slickline manufacturing techniques
WO2016172500A1 (en) 2015-04-24 2016-10-27 Weatherford Technology Holdings, Llc Tubular cutting tool
NO341205B1 (en) 2015-05-19 2017-09-11 Sintef Tto As Milling tool with self driven active side cutters
AU2016267668B2 (en) 2015-05-28 2020-08-27 Weatherford Technology Holdings, Llc Cutter assembly for cutting a tubular, bottom hole assembly comprising such a cutter assembly and method of cutting a tubular
AU2016325364B2 (en) 2015-09-15 2020-02-06 Abrado, Inc. Downhole tubular milling apparatus, especially suitable for deployment on coiled tubing
WO2017049077A1 (en) * 2015-09-17 2017-03-23 Enventure Global Technology, Inc. Tubular milling shoe
WO2018064171A1 (en) 2016-09-30 2018-04-05 Conocophillips Company Through tubing p&a with two-material plugs
US10267112B2 (en) 2016-11-04 2019-04-23 Baker Hughes, A Ge Company, Llc Debris bridge monitoring and removal for uphole milling system
EP3592939B1 (en) 2017-03-11 2023-08-30 ConocoPhillips Company Helical coil annular access plug and abandonment
GB2565804B (en) * 2017-08-23 2020-11-18 Ardyne Holdings Ltd Downhole tubing milling device and method
NO343705B1 (en) 2017-09-01 2019-05-13 Norse Oiltools As Milling tool
US11421491B2 (en) * 2017-09-08 2022-08-23 Weatherford Technology Holdings, Llc Well tool anchor and associated methods
GB2567157B (en) * 2017-10-03 2020-02-26 Ardyne Holdings Ltd Improvements in or relating to well abandonment
DK3692244T3 (da) * 2017-10-03 2022-07-11 Ardyne Holdings Ltd Forbedringer ved eller i forbindelse med nedlæggelse af brønd
CA3078660A1 (en) 2017-10-30 2019-05-09 Conocophillips Company Through tubing p&a with bismuth alloys
US10508510B2 (en) * 2017-11-29 2019-12-17 Baker Hughes, A Ge Company, Llc Bottom hole assembly for cutting and pulling a tubular
GB2568914B (en) * 2017-11-30 2020-04-15 Ardyne Holdings Ltd Improvements in or relating to well abandonment and slot recovery
GB2569565B (en) * 2017-12-20 2020-03-25 Ardyne Holdings Ltd A method of abandoning a well
US10724339B2 (en) 2018-04-06 2020-07-28 Baker Hughes, A Ge Company, Llc Rotational pump and method
US20210254422A1 (en) * 2018-06-28 2021-08-19 Schlumberger Technology Corporation Methods and apparatus for removing sections of a wellbore wall
GB2576010B (en) * 2018-08-01 2021-02-17 Ardyne Holdings Ltd Improvements in or relating to well abandonment and slot recovery
US11408241B2 (en) * 2020-07-31 2022-08-09 Baker Hughes Oilfield Operations Llc Downhole pulling tool with selective anchor actuation
NO346736B1 (en) * 2021-04-30 2022-12-05 Archer Oiltools As Axial position-controlled operation toolstring and method
US20230349254A1 (en) * 2022-04-28 2023-11-02 Baker Hughes Oilfield Operations Llc Section milling tool, methods and system
US11802457B1 (en) * 2022-05-12 2023-10-31 Halliburton Energy Services, Inc. Cutting tool with spiral cutouts for metal cuttings removal
US12024967B1 (en) * 2022-12-16 2024-07-02 Halliburton Energy Services, Inc. Method and apparatus to perform section milling

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126065A (en) 1964-03-24 Chadderdon
US1611281A (en) 1921-10-07 1926-12-21 Gilchrist Co Drink mixer
US2203011A (en) 1937-04-08 1940-06-04 Guy P Ellis Pipe cutter
US2124663A (en) 1937-08-02 1938-07-26 Wintemute Frank Rotary underreamer
US2482674A (en) * 1945-06-05 1949-09-20 Baker Oil Tools Inc Casing cutter apparatus
US3224507A (en) 1962-09-07 1965-12-21 Servco Co Expansible subsurface well bore apparatus
US3331439A (en) * 1964-08-14 1967-07-18 Sanford Lawrence Multiple cutting tool
US3419077A (en) 1966-11-22 1968-12-31 Sanford Lawrence Well cutting tool
US4191255A (en) * 1978-04-13 1980-03-04 Lor, Inc. Method and apparatus for cutting and pulling tubular and associated well equipment submerged in a water covered area
US4618009A (en) * 1984-08-08 1986-10-21 Homco International Inc. Reaming tool
US5373900A (en) * 1988-04-15 1994-12-20 Baker Hughes Incorporated Downhole milling tool
US4938291A (en) * 1986-01-06 1990-07-03 Lynde Gerald D Cutting tool for cutting well casing
US4776394A (en) * 1987-02-13 1988-10-11 Tri-State Oil Tool Industries, Inc. Hydraulic stabilizer for bore hole tool
US4893675A (en) 1988-11-21 1990-01-16 Uvon Skipper Section milling tool
US5018580A (en) 1988-11-21 1991-05-28 Uvon Skipper Section milling tool
US5139098A (en) 1991-09-26 1992-08-18 John Blake Combined drill and underreamer tool
US5242017A (en) * 1991-12-27 1993-09-07 Hailey Charles D Cutter blades for rotary tubing tools
US5265675A (en) 1992-03-25 1993-11-30 Atlantic Richfield Company Well conduit cutting and milling apparatus and method
US5350015A (en) 1993-06-30 1994-09-27 Hailey Charles D Rotary downhole cutting tool
US5385205A (en) * 1993-10-04 1995-01-31 Hailey; Charles D. Dual mode rotary cutting tool
US5642787A (en) 1995-09-22 1997-07-01 Weatherford U.S., Inc. Section milling
US5862870A (en) 1995-09-22 1999-01-26 Weatherford/Lamb, Inc. Wellbore section milling
US5791409A (en) 1996-09-09 1998-08-11 Baker Hughes Incorporated Hydro-mechanical multi-string cutter
NO981998D0 (no) 1998-05-04 1998-05-04 Henning Hansen FremgangsmÕte ved flerfaset tettende plugging av borehull benyttet for produksjon av hydrokarboner eller injeksjon av vµsker til nedihulls formasjoner eller unders÷kelsesborehull
US6374918B2 (en) 1999-05-14 2002-04-23 Weatherford/Lamb, Inc. In-tubing wellbore sidetracking operations
US6227313B1 (en) 1999-07-23 2001-05-08 Baker Hughes Incorporated Anti-torque tool

Also Published As

Publication number Publication date
GB0411902D0 (en) 2004-06-30
GB2399372B (en) 2005-03-09
AU2002348294B2 (en) 2007-03-29
GB2399372A (en) 2004-09-15
US6679328B2 (en) 2004-01-20
AU2002348294A1 (en) 2003-06-17
WO2003048510A1 (en) 2003-06-12
CA2468729A1 (en) 2003-06-12
NO331250B1 (no) 2011-11-07
US20020162659A1 (en) 2002-11-07
CA2468729C (en) 2007-07-03
DE10297474T5 (de) 2004-12-02

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