EP0846837A3 - Subterranean well bore casing milling apparatus - Google Patents

Subterranean well bore casing milling apparatus Download PDF

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Publication number
EP0846837A3
EP0846837A3 EP97309894A EP97309894A EP0846837A3 EP 0846837 A3 EP0846837 A3 EP 0846837A3 EP 97309894 A EP97309894 A EP 97309894A EP 97309894 A EP97309894 A EP 97309894A EP 0846837 A3 EP0846837 A3 EP 0846837A3
Authority
EP
European Patent Office
Prior art keywords
tubular
end portion
radially
coaxially
slips
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.)
Granted
Application number
EP97309894A
Other languages
German (de)
French (fr)
Other versions
EP0846837B1 (en
EP0846837A2 (en
Inventor
John C. Gano
Pat M. White
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.)
Halliburton Energy Services Inc
Original Assignee
Halliburton Energy Services 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 US08/759,508 external-priority patent/US5832997A/en
Application filed by Halliburton Energy Services Inc filed Critical Halliburton Energy Services Inc
Publication of EP0846837A2 publication Critical patent/EP0846837A2/en
Publication of EP0846837A3 publication Critical patent/EP0846837A3/en
Application granted granted Critical
Publication of EP0846837B1 publication Critical patent/EP0846837B1/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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
    • E21B23/0411—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion specially adapted for anchoring tools or the like to the borehole wall or to well tube
    • 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
    • E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
    • 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
    • E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
    • 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
    • E21B29/00—Cutting 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
    • E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Supports For Pipes And Cables (AREA)
  • Crushing And Grinding (AREA)

Abstract

Subterranean well bore casing milling apparatus comprising: a tubular anchor assembly (22) having a top end portion and being coaxially and releasably securable in the casing, said tubular anchor assembly including a tubular inner mandrel having an outer side surface, a tubular slip carrier coaxially circumscribing the inner mandrel in a radially outwardly spaced relationship therewith, the slip carrier having a circumferentially spaced series of side wall slip windows therein and outwardly bounding an annular space between the inner mandrel and the slip carrier, a circumferentially spaced series of slips (40, 42) disposed in the annular space, with radially outer portions ofthe slips being received in the slip windows for movement therethrough between radially retracted and radially extended positions, a biasing structure operative to resiliently bias the slips to their radially retracted positions, and a setting structure operative to force the slips from their radially retracted positions to their radially extended positions; a mill guide member (24) having a lower end portion connected to the top end portion of the tubular anchor assembly, and a tubular upper end portion (24a); and a tubular retrieval member coaxially securable to a milling pipe (30) and being coaxially latchable in the tubular member coaxially secured to the upper mill guide member end portion.
Figure 00000001
Figure 00000002
EP97309894A 1996-12-05 1997-12-05 Subterranean well bore casing milling apparatus Expired - Lifetime EP0846837B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US759508 1996-12-05
US08/759,508 US5832997A (en) 1996-12-05 1996-12-05 Retrievable milling guide anchor apparatus and associated methods
US779146 1997-01-03
US08/779,146 US5829518A (en) 1996-12-05 1997-01-03 Mill guide and anchor assembly for subterranean well casings

Publications (3)

Publication Number Publication Date
EP0846837A2 EP0846837A2 (en) 1998-06-10
EP0846837A3 true EP0846837A3 (en) 2001-10-17
EP0846837B1 EP0846837B1 (en) 2003-11-12

Family

ID=27116689

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97309894A Expired - Lifetime EP0846837B1 (en) 1996-12-05 1997-12-05 Subterranean well bore casing milling apparatus

Country Status (7)

Country Link
EP (1) EP0846837B1 (en)
AU (1) AU4689197A (en)
BR (1) BR9707749A (en)
CA (1) CA2223517C (en)
DE (1) DE69726098T2 (en)
DK (1) DK0846837T3 (en)
NO (1) NO314153B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103835648B (en) * 2013-11-06 2016-06-15 北京中煤矿山工程有限公司 One improves rock stratum performance mine shaft rising boring technique by surface grout injection
US11333004B2 (en) * 2020-06-03 2022-05-17 Weatherford Technology Holdings, Llc Piston initiator for sidetrack assembly

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1970761A (en) * 1932-10-03 1934-08-21 John Eastman Whipstock
US2586878A (en) * 1947-05-08 1952-02-26 Eastman Oil Well Survey Co Drilling apparatus
US4436150A (en) * 1981-09-28 1984-03-13 Otis Engineering Corporation Bridge plug
GB2272718A (en) * 1992-11-19 1994-05-25 Masx Energy Services Group Inc Retrievable whipstock
WO1995023274A1 (en) * 1994-02-23 1995-08-31 Tiw Corporation Retrievable whipstock arrangement and method
US5501281A (en) * 1994-08-26 1996-03-26 Halliburton Company Torque-resistant, seal setting force-limited, hydraulically settable well packer structure and associated methods
GB2299115A (en) * 1992-10-19 1996-09-25 Baker Hughes Inc Retrievable whipstock system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1970761A (en) * 1932-10-03 1934-08-21 John Eastman Whipstock
US2586878A (en) * 1947-05-08 1952-02-26 Eastman Oil Well Survey Co Drilling apparatus
US4436150A (en) * 1981-09-28 1984-03-13 Otis Engineering Corporation Bridge plug
GB2299115A (en) * 1992-10-19 1996-09-25 Baker Hughes Inc Retrievable whipstock system
GB2272718A (en) * 1992-11-19 1994-05-25 Masx Energy Services Group Inc Retrievable whipstock
WO1995023274A1 (en) * 1994-02-23 1995-08-31 Tiw Corporation Retrievable whipstock arrangement and method
US5501281A (en) * 1994-08-26 1996-03-26 Halliburton Company Torque-resistant, seal setting force-limited, hydraulically settable well packer structure and associated methods

Also Published As

Publication number Publication date
NO975626D0 (en) 1997-12-04
CA2223517A1 (en) 1998-06-05
DK0846837T3 (en) 2004-03-22
EP0846837B1 (en) 2003-11-12
DE69726098D1 (en) 2003-12-18
AU4689197A (en) 1998-06-11
DE69726098T2 (en) 2004-08-26
CA2223517C (en) 2004-02-24
EP0846837A2 (en) 1998-06-10
NO314153B1 (en) 2003-02-03
BR9707749A (en) 1999-06-01
NO975626L (en) 1998-06-08

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