CA2450223A1 - Downhole flow control devices - Google Patents

Downhole flow control devices Download PDF

Info

Publication number
CA2450223A1
CA2450223A1 CA002450223A CA2450223A CA2450223A1 CA 2450223 A1 CA2450223 A1 CA 2450223A1 CA 002450223 A CA002450223 A CA 002450223A CA 2450223 A CA2450223 A CA 2450223A CA 2450223 A1 CA2450223 A1 CA 2450223A1
Authority
CA
Canada
Prior art keywords
flow control
control devices
downhole flow
inner housing
groove
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
CA002450223A
Other languages
French (fr)
Other versions
CA2450223C (en
Inventor
Michael A. Carmody
Kevin R. Jones
Robert J. Coon
Douglas J. Murray
Mark E. Hopmann
Steven L. Jennings
Brian A. Roth
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
Priority claimed from CA 2221152 external-priority patent/CA2221152C/en
Publication of CA2450223A1 publication Critical patent/CA2450223A1/en
Application granted granted Critical
Publication of CA2450223C publication Critical patent/CA2450223C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Multiple-Way Valves (AREA)
  • Details Of Valves (AREA)
  • Valve Housings (AREA)
  • Selective Calling Equipment (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

A downhole choke mechanism comprising a cylindrical inner housing having at least one helical groove cut on an outer diameter thereof, a cylindrical outer housing protecting the inner housing and having at least one port therein, and at least one key received in at least one key slot of the inner housing and moveable into the at least one groove to choke flow of a fluid moving in the at least one groove.
CA002450223A 1996-04-01 1997-04-01 Downhole flow control devices Expired - Lifetime CA2450223C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US1464496P 1996-04-01 1996-04-01
US1451896P 1996-04-01 1996-04-01
US60/014,518 1996-04-01
US60/014,644 1996-04-01
CA 2221152 CA2221152C (en) 1996-04-01 1997-04-01 Downhole flow control devices

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA 2221152 Division CA2221152C (en) 1996-04-01 1997-04-01 Downhole flow control devices

Publications (2)

Publication Number Publication Date
CA2450223A1 true CA2450223A1 (en) 1997-10-09
CA2450223C CA2450223C (en) 2005-10-11

Family

ID=31191504

Family Applications (4)

Application Number Title Priority Date Filing Date
CA002450408A Expired - Lifetime CA2450408C (en) 1996-04-01 1997-04-01 Downhole flow control devices
CA002450225A Expired - Lifetime CA2450225C (en) 1996-04-01 1997-04-01 Downhole flow control devices
CA002450419A Expired - Lifetime CA2450419C (en) 1996-04-01 1997-04-01 Downhole flow control devices
CA002450223A Expired - Lifetime CA2450223C (en) 1996-04-01 1997-04-01 Downhole flow control devices

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CA002450408A Expired - Lifetime CA2450408C (en) 1996-04-01 1997-04-01 Downhole flow control devices
CA002450225A Expired - Lifetime CA2450225C (en) 1996-04-01 1997-04-01 Downhole flow control devices
CA002450419A Expired - Lifetime CA2450419C (en) 1996-04-01 1997-04-01 Downhole flow control devices

Country Status (1)

Country Link
CA (4) CA2450408C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9638000B2 (en) 2014-07-10 2017-05-02 Inflow Systems Inc. Method and apparatus for controlling the flow of fluids into wellbore tubulars
US10066467B2 (en) 2015-03-12 2018-09-04 Ncs Multistage Inc. Electrically actuated downhole flow control apparatus

Also Published As

Publication number Publication date
CA2450223C (en) 2005-10-11
CA2450419A1 (en) 1997-10-09
CA2450408C (en) 2005-10-04
CA2450419C (en) 2006-02-07
CA2450408A1 (en) 1997-10-09
CA2450225C (en) 2005-10-25
CA2450225A1 (en) 1997-10-09

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Legal Events

Date Code Title Description
EEER Examination request