CA2329472A1 - Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion - Google Patents

Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion Download PDF

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Publication number
CA2329472A1
CA2329472A1 CA002329472A CA2329472A CA2329472A1 CA 2329472 A1 CA2329472 A1 CA 2329472A1 CA 002329472 A CA002329472 A CA 002329472A CA 2329472 A CA2329472 A CA 2329472A CA 2329472 A1 CA2329472 A1 CA 2329472A1
Authority
CA
Canada
Prior art keywords
main well
well flow
flow conductor
bushing
window
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
CA002329472A
Other languages
French (fr)
Other versions
CA2329472C (en
Inventor
Jimmie Robert Williamson
John C. Gano
David Lynn Reesing
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 Co
Original Assignee
Halliburton Company
Jimmie Robert Williamson
John C. Gano
David Lynn Reesing
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 Halliburton Company, Jimmie Robert Williamson, John C. Gano, David Lynn Reesing filed Critical Halliburton Company
Priority claimed from CA002156984A external-priority patent/CA2156984C/en
Publication of CA2329472A1 publication Critical patent/CA2329472A1/en
Application granted granted Critical
Publication of CA2329472C publication Critical patent/CA2329472C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

A guide bushing for use proximate a junction between a main well flow conductor and a lateral wellbore, said guide bushing comprising a tubular member having a predetermined inner diameter less than that of said main well flow conductor and an outer diameter sufficient substantially to centralize said guide bushing within said main well flow conductor. The tubular member having a bushing window defined in a sidewall thereof, said bushing window having a defined height thereof, said guide bushing locatable proximate said junction, said bushing window registerable with a main well flow conductor window, said guide bushing centralizing a tool having a diameter less than said predetermined inner diameter with respect to said main well flow conductor, said bushing window protecting a periphery of said main well flow conductor window from contact with said tool; and an anchoring structure coupled to said tubular member for fixing said tubular member at a predetermined location and orientation within said main well flow conductor.
CA002329472A 1995-01-30 1995-08-25 Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion Expired - Lifetime CA2329472C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38076895A 1995-01-30 1995-01-30
US08/380,768 1995-01-30
CA002156984A CA2156984C (en) 1994-08-26 1995-08-25 Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002156984A Division CA2156984C (en) 1994-08-26 1995-08-25 Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion

Publications (2)

Publication Number Publication Date
CA2329472A1 true CA2329472A1 (en) 1996-02-27
CA2329472C CA2329472C (en) 2006-03-14

Family

ID=25678124

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002329472A Expired - Lifetime CA2329472C (en) 1995-01-30 1995-08-25 Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion
CA002329471A Expired - Lifetime CA2329471C (en) 1995-01-30 1995-08-25 Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002329471A Expired - Lifetime CA2329471C (en) 1995-01-30 1995-08-25 Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion

Country Status (1)

Country Link
CA (2) CA2329472C (en)

Also Published As

Publication number Publication date
CA2329471C (en) 2005-05-03
CA2329472C (en) 2006-03-14
CA2329471A1 (en) 1996-02-27

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Effective date: 20150825