CA964999A - Subsurface safety valve - Google Patents
Subsurface safety valveInfo
- Publication number
- CA964999A CA964999A CA163,285A CA163285A CA964999A CA 964999 A CA964999 A CA 964999A CA 163285 A CA163285 A CA 163285A CA 964999 A CA964999 A CA 964999A
- Authority
- CA
- Canada
- Prior art keywords
- safety valve
- subsurface safety
- subsurface
- valve
- safety
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30348272 US3850242A (en) | 1972-09-05 | 1972-11-03 | Subsurface safety valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CA964999A true CA964999A (en) | 1975-03-25 |
Family
ID=23172317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA163,285A Expired CA964999A (en) | 1972-11-03 | 1973-02-05 | Subsurface safety valve |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5441004B2 (en) |
CA (1) | CA964999A (en) |
IT (1) | IT974454B (en) |
-
1972
- 1972-12-29 IT IT5520572A patent/IT974454B/en active
-
1973
- 1973-02-05 CA CA163,285A patent/CA964999A/en not_active Expired
- 1973-03-08 JP JP2664873A patent/JPS5441004B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5441004B2 (en) | 1979-12-06 |
IT974454B (en) | 1974-06-20 |
JPS4980632A (en) | 1974-08-03 |
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