CA2526877A1 - Whipstock for mounting in a casing section - Google Patents

Whipstock for mounting in a casing section Download PDF

Info

Publication number
CA2526877A1
CA2526877A1 CA002526877A CA2526877A CA2526877A1 CA 2526877 A1 CA2526877 A1 CA 2526877A1 CA 002526877 A CA002526877 A CA 002526877A CA 2526877 A CA2526877 A CA 2526877A CA 2526877 A1 CA2526877 A1 CA 2526877A1
Authority
CA
Canada
Prior art keywords
whipstock
mounting
casing section
main body
sloping face
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
CA002526877A
Other languages
French (fr)
Other versions
CA2526877C (en
Inventor
Grant E.E. George
Stephen M. Begg
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.)
Schlumberger Canada Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2526877A1 publication Critical patent/CA2526877A1/en
Application granted granted Critical
Publication of CA2526877C publication Critical patent/CA2526877C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • E21B23/04—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
    • E21B23/042—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 using a single piston or multiple mechanically interconnected pistons
    • 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
    • E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
    • E21B23/12—Tool diverters
    • 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0035—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
    • E21B41/0042—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches characterised by sealing the junction between a lateral and a main bore
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating 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
    • 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

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Artificial Fish Reefs (AREA)

Abstract

A whipstock for mounting in a casing section of a well includes a main body, a sloping face formed on a main body, a lip extended out from the sloping face and a coating material disposed over the main body except at least over the sloping face, and the coating material forming an outer surface.
CA002526877A 1998-08-18 1998-08-18 Whipstock for mounting in a casing section Expired - Fee Related CA2526877C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002245342A CA2245342C (en) 1998-08-18 1998-08-18 Deviated borehole drilling assembly

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002245342A Division CA2245342C (en) 1997-09-05 1998-08-18 Deviated borehole drilling assembly

Publications (2)

Publication Number Publication Date
CA2526877A1 true CA2526877A1 (en) 2000-02-18
CA2526877C CA2526877C (en) 2009-04-28

Family

ID=29409774

Family Applications (6)

Application Number Title Priority Date Filing Date
CA002526877A Expired - Fee Related CA2526877C (en) 1998-08-18 1998-08-18 Whipstock for mounting in a casing section
CA002527938A Expired - Fee Related CA2527938C (en) 1998-08-18 1998-08-18 Tieback positioning and placement tool
CA002527161A Expired - Fee Related CA2527161C (en) 1998-08-18 1998-08-18 Toolguide for creating deviated borehole branches from a well bore
CA2527063A Expired - Fee Related CA2527063C (en) 1998-08-18 1998-08-18 Running/retrieval tool
CA002245342A Expired - Fee Related CA2245342C (en) 1997-09-05 1998-08-18 Deviated borehole drilling assembly
CA2705595A Abandoned CA2705595A1 (en) 1998-04-27 1999-04-27 Whipstock, running/retrieval tool and a system for tieing back a liner from a wellbore casing

Family Applications After (5)

Application Number Title Priority Date Filing Date
CA002527938A Expired - Fee Related CA2527938C (en) 1998-08-18 1998-08-18 Tieback positioning and placement tool
CA002527161A Expired - Fee Related CA2527161C (en) 1998-08-18 1998-08-18 Toolguide for creating deviated borehole branches from a well bore
CA2527063A Expired - Fee Related CA2527063C (en) 1998-08-18 1998-08-18 Running/retrieval tool
CA002245342A Expired - Fee Related CA2245342C (en) 1997-09-05 1998-08-18 Deviated borehole drilling assembly
CA2705595A Abandoned CA2705595A1 (en) 1998-04-27 1999-04-27 Whipstock, running/retrieval tool and a system for tieing back a liner from a wellbore casing

Country Status (1)

Country Link
CA (6) CA2526877C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8376054B2 (en) * 2010-02-04 2013-02-19 Halliburton Energy Services, Inc. Methods and systems for orienting in a bore
CN106948786B (en) * 2017-04-27 2022-12-20 中国石油天然气集团有限公司 Integrated window-opening side drilling tool
US10934780B2 (en) * 2018-12-14 2021-03-02 Weatherford Technology Holdings, Llc Release mechanism for a whipstock

Also Published As

Publication number Publication date
CA2527938C (en) 2009-12-08
CA2245342A1 (en) 2000-02-18
CA2527063A1 (en) 2000-02-18
CA2527938A1 (en) 2000-02-18
CA2527161A1 (en) 2000-02-18
CA2526877C (en) 2009-04-28
CA2245342C (en) 2006-09-19
CA2527161C (en) 2009-04-28
CA2705595A1 (en) 1999-10-27
CA2527063C (en) 2010-05-25

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20170818