GB2297988B - Method & apparatus for locating & re-entering one or more horizontal wells using whipstocks - Google Patents

Method & apparatus for locating & re-entering one or more horizontal wells using whipstocks

Info

Publication number
GB2297988B
GB2297988B GB9607652A GB9607652A GB2297988B GB 2297988 B GB2297988 B GB 2297988B GB 9607652 A GB9607652 A GB 9607652A GB 9607652 A GB9607652 A GB 9607652A GB 2297988 B GB2297988 B GB 2297988B
Authority
GB
United Kingdom
Prior art keywords
whipstocks
locating
entering
horizontal wells
wells
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.)
Expired - Lifetime
Application number
GB9607652A
Other versions
GB2297988A (en
GB9607652D0 (en
Inventor
Mark W Brockman
L Cameron White
Douglas J Murray
Jeffrey D Cockrell
Robert J Mcnair
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
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
Priority claimed from US07/927,567 external-priority patent/US5318121A/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB9607652D0 publication Critical patent/GB9607652D0/en
Publication of GB2297988A publication Critical patent/GB2297988A/en
Application granted granted Critical
Publication of GB2297988B publication Critical patent/GB2297988B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • E21B7/06Deflecting the direction of boreholes
    • E21B7/061Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
    • 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
    • E21B23/00Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/03Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets
    • 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
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0035Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches

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)
GB9607652A 1992-08-07 1993-08-06 Method & apparatus for locating & re-entering one or more horizontal wells using whipstocks Expired - Lifetime GB2297988B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/927,567 US5318121A (en) 1992-08-07 1992-08-07 Method and apparatus for locating and re-entering one or more horizontal wells using whipstock with sealable bores
GB9406261A GB2274863B (en) 1992-08-07 1993-08-06 Method and apparatus for locating and re-entering one or more horizontal wells using whipstocks

Publications (3)

Publication Number Publication Date
GB9607652D0 GB9607652D0 (en) 1996-06-12
GB2297988A GB2297988A (en) 1996-08-21
GB2297988B true GB2297988B (en) 1997-01-22

Family

ID=26304602

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9607652A Expired - Lifetime GB2297988B (en) 1992-08-07 1993-08-06 Method & apparatus for locating & re-entering one or more horizontal wells using whipstocks

Country Status (1)

Country Link
GB (1) GB2297988B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6725922B2 (en) 2002-07-12 2004-04-27 Cdx Gas, Llc Ramping well bores
US8297377B2 (en) 1998-11-20 2012-10-30 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8333245B2 (en) 2002-09-17 2012-12-18 Vitruvian Exploration, Llc Accelerated production of gas from a subterranean zone
US8376052B2 (en) 1998-11-20 2013-02-19 Vitruvian Exploration, Llc Method and system for surface production of gas from a subterranean zone

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019173A (en) * 1997-04-04 2000-02-01 Dresser Industries, Inc. Multilateral whipstock and tools for installing and retrieving
US6244340B1 (en) 1997-09-24 2001-06-12 Halliburton Energy Services, Inc. Self-locating reentry system for downhole well completions
US6138756A (en) * 1998-01-09 2000-10-31 Halliburton Energy Services, Inc. Milling guide having orientation and depth determination capabilities
WO1999039073A2 (en) 1998-01-30 1999-08-05 Dresser Industries, Inc. Method and apparatus for running two tubing strings into a well
US6308782B1 (en) 1998-01-30 2001-10-30 Halliburton Energy Services, Inc Method and apparatus for one-trip insertion and retrieval of a tool and auxiliary device
US7025154B2 (en) 1998-11-20 2006-04-11 Cdx Gas, Llc Method and system for circulating fluid in a well system
US7048049B2 (en) 2001-10-30 2006-05-23 Cdx Gas, Llc Slant entry well system and method
US6280000B1 (en) 1998-11-20 2001-08-28 Joseph A. Zupanick Method for production of gas from a coal seam using intersecting well bores
US6892702B2 (en) 2000-10-12 2005-05-17 Kabushiki Kaisha Moric Ignition controller
US6991048B2 (en) * 2002-07-12 2006-01-31 Cdx Gas, Llc Wellbore plug system and method
US6991047B2 (en) * 2002-07-12 2006-01-31 Cdx Gas, Llc Wellbore sealing system and method
DK2469012T3 (en) * 2010-12-22 2013-12-09 Welltec As Lateral connecting device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115872A (en) * 1990-10-19 1992-05-26 Anglo Suisse, Inc. Directional drilling system and method for drilling precise offset wellbores from a main wellbore
US5113938A (en) * 1991-05-07 1992-05-19 Clayton Charley H Whipstock

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8297377B2 (en) 1998-11-20 2012-10-30 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8376052B2 (en) 1998-11-20 2013-02-19 Vitruvian Exploration, Llc Method and system for surface production of gas from a subterranean zone
US6725922B2 (en) 2002-07-12 2004-04-27 Cdx Gas, Llc Ramping well bores
US8333245B2 (en) 2002-09-17 2012-12-18 Vitruvian Exploration, Llc Accelerated production of gas from a subterranean zone

Also Published As

Publication number Publication date
GB2297988A (en) 1996-08-21
GB9607652D0 (en) 1996-06-12

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20130805