RU98113974A - WELL VALVE DEVICE - Google Patents
WELL VALVE DEVICEInfo
- Publication number
- RU98113974A RU98113974A RU98113974/03A RU98113974A RU98113974A RU 98113974 A RU98113974 A RU 98113974A RU 98113974/03 A RU98113974/03 A RU 98113974/03A RU 98113974 A RU98113974 A RU 98113974A RU 98113974 A RU98113974 A RU 98113974A
- Authority
- RU
- Russia
- Prior art keywords
- valve device
- movable sleeve
- well valve
- radial holes
- check valve
- Prior art date
Links
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU98113974/03A RU2150575C1 (en) | 1998-07-23 | 1998-07-23 | Well valve unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU98113974/03A RU2150575C1 (en) | 1998-07-23 | 1998-07-23 | Well valve unit |
Publications (2)
Publication Number | Publication Date |
---|---|
RU98113974A true RU98113974A (en) | 2000-04-20 |
RU2150575C1 RU2150575C1 (en) | 2000-06-10 |
Family
ID=20208710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU98113974/03A RU2150575C1 (en) | 1998-07-23 | 1998-07-23 | Well valve unit |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2150575C1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9562418B2 (en) | 2010-04-23 | 2017-02-07 | Lawrence Osborne | Valve with shuttle |
RU2455459C1 (en) * | 2011-01-11 | 2012-07-10 | Олег Харисович Ахмедзянов | Downhole valve unit |
CA2780553C (en) * | 2012-03-15 | 2015-01-20 | Lawrence Osborne | Improved valve with shuttle |
US10435999B2 (en) | 2015-05-27 | 2019-10-08 | Flow Control LLC | Fluid release valve |
RU191416U1 (en) * | 2019-04-19 | 2019-08-05 | Акционерное общество "Новомет-Пермь" | WELL VALVE DEVICE |
-
1998
- 1998-07-23 RU RU98113974/03A patent/RU2150575C1/en not_active IP Right Cessation
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