CA2462658A1 - Through tubing whipstock - Google Patents

Through tubing whipstock Download PDF

Info

Publication number
CA2462658A1
CA2462658A1 CA002462658A CA2462658A CA2462658A1 CA 2462658 A1 CA2462658 A1 CA 2462658A1 CA 002462658 A CA002462658 A CA 002462658A CA 2462658 A CA2462658 A CA 2462658A CA 2462658 A1 CA2462658 A1 CA 2462658A1
Authority
CA
Canada
Prior art keywords
whipstock
links
tubing
wickers
mills
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
CA002462658A
Other languages
French (fr)
Other versions
CA2462658C (en
Inventor
Stephen K. Harmon
Roy E. Swanson, Jr.
Marc D. Kuck
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.)
Baker Hughes Holdings LLC
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 CA2462658A1 publication Critical patent/CA2462658A1/en
Application granted granted Critical
Publication of CA2462658C publication Critical patent/CA2462658C/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
    • E21B23/01—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
    • 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)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Clamps And Clips (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

A through tubing retrievable whipstock (10) and installation method is disclosed. In the preferred embodiment, a plurality of anchor links (14, 16) pivot at one end and have wickers (46, 48) on an opposed rounded end. The links are configured to deliver an optimum contact angle with respect to the longitudinal axis of the whipstock in a variety of casing sizes and weights. A
lock ring system holds the set position and upper end is hinged and biased to stay out of the way of the mill or mills and yet be easy to engage by a retrieving tool.
CA002462658A 2001-10-17 2002-10-16 Through tubing whipstock Expired - Lifetime CA2462658C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32993201P 2001-10-17 2001-10-17
US60/329,932 2001-10-17
PCT/US2002/032894 WO2003044315A1 (en) 2001-10-17 2002-10-16 Through tubing whipstock

Publications (2)

Publication Number Publication Date
CA2462658A1 true CA2462658A1 (en) 2003-05-30
CA2462658C CA2462658C (en) 2008-01-15

Family

ID=23287640

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002462658A Expired - Lifetime CA2462658C (en) 2001-10-17 2002-10-16 Through tubing whipstock

Country Status (6)

Country Link
AU (1) AU2002347903B2 (en)
CA (1) CA2462658C (en)
DE (1) DE10297287B4 (en)
GB (1) GB2397602B (en)
NO (1) NO328950B1 (en)
WO (1) WO2003044315A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897898A (en) * 1956-04-20 1959-08-04 Pan American Petroleum Corp Well apparatus brake
DE1911900A1 (en) * 1969-03-08 1970-09-24 Longyear Diamond Core Drill Su Lateral borehole straddle
US5222554A (en) * 1992-01-30 1993-06-29 Atlantic Richfield Company Whipstock for oil and gas wells
US5458196A (en) * 1994-08-31 1995-10-17 Halliburton Company Through tubing gun hanger
US5535822A (en) * 1994-09-08 1996-07-16 Enterra Corporation Apparatus for retrieving whipstock
US5909770A (en) * 1996-11-18 1999-06-08 Baker Hughes Incorporated Retrievable whipstock
US6167961B1 (en) * 1999-05-20 2001-01-02 Tiw Corporation Small diameter run in whipstock and method for setting in large diameter casing

Also Published As

Publication number Publication date
AU2002347903B2 (en) 2007-03-01
CA2462658C (en) 2008-01-15
NO20041569L (en) 2004-06-16
AU2002347903A1 (en) 2003-06-10
WO2003044315A1 (en) 2003-05-30
DE10297287B4 (en) 2012-04-12
GB2397602B (en) 2005-06-29
GB0407322D0 (en) 2004-05-05
NO328950B1 (en) 2010-06-28
DE10297287T5 (en) 2004-09-16
GB2397602A (en) 2004-07-28

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Legal Events

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EEER Examination request
MKEX Expiry

Effective date: 20221017