CA2450223A1 - Downhole flow control devices - Google Patents
Downhole flow control devices Download PDFInfo
- 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
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.
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)
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 |
-
1997
- 1997-04-01 CA CA002450408A patent/CA2450408C/en not_active Expired - Lifetime
- 1997-04-01 CA CA002450225A patent/CA2450225C/en not_active Expired - Lifetime
- 1997-04-01 CA CA002450419A patent/CA2450419C/en not_active Expired - Lifetime
- 1997-04-01 CA CA002450223A patent/CA2450223C/en not_active Expired - Lifetime
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 |