CA2504503C - Plongeur de derivation a ouverture variable - Google Patents
Plongeur de derivation a ouverture variable Download PDFInfo
- Publication number
- CA2504503C CA2504503C CA002504503A CA2504503A CA2504503C CA 2504503 C CA2504503 C CA 2504503C CA 002504503 A CA002504503 A CA 002504503A CA 2504503 A CA2504503 A CA 2504503A CA 2504503 C CA2504503 C CA 2504503C
- Authority
- CA
- Canada
- Prior art keywords
- plunger
- cage
- well
- valve
- hole
- 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 - Fee Related
Links
Landscapes
- Lift Valve (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Un mécanisme de plongeur comprend une soupape de dérivation réglable. En fonction des paramètres de puits, un utilisateur peut souhaiter ajuster la vitesse de descente d'un piston en service. Le présent dispositif permet à l'utilisateur de faire varier ou de régler l'orifice de dérivation pour modifier l'écoulement du liquide à travers le noyau plongeur.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65371104P | 2004-04-20 | 2004-04-20 | |
US60/653,711 | 2004-04-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2504503A1 CA2504503A1 (fr) | 2005-10-20 |
CA2504503C true CA2504503C (fr) | 2009-12-15 |
Family
ID=35276900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002504503A Expired - Fee Related CA2504503C (fr) | 2004-04-20 | 2005-04-20 | Plongeur de derivation a ouverture variable |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2504503C (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104500020A (zh) * | 2014-11-03 | 2015-04-08 | 北京金科龙石油技术开发有限公司 | 排水采气用游动柱塞 |
US11180977B2 (en) | 2015-09-08 | 2021-11-23 | William Charles Harris | Plunger lift method |
US10161231B2 (en) | 2015-09-08 | 2018-12-25 | William Charles Harris | Plunger lift with internal movable element |
CN111219325B (zh) * | 2020-01-19 | 2021-11-05 | 上海韦航装备科技有限公司 | 一种流量可调式液压泵 |
-
2005
- 2005-04-20 CA CA002504503A patent/CA2504503C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2504503A1 (fr) | 2005-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20220301 |
|
MKLA | Lapsed |
Effective date: 20200831 |