NO842319L - Opptrekkbar innvendig boresikringsventilanordning - Google Patents
Opptrekkbar innvendig boresikringsventilanordningInfo
- Publication number
- NO842319L NO842319L NO842319A NO842319A NO842319L NO 842319 L NO842319 L NO 842319L NO 842319 A NO842319 A NO 842319A NO 842319 A NO842319 A NO 842319A NO 842319 L NO842319 L NO 842319L
- Authority
- NO
- Norway
- Prior art keywords
- valve device
- safety valve
- removable internal
- internal drill
- drill safety
- Prior art date
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/433,862 US4478279A (en) | 1982-10-12 | 1982-10-12 | Retrievable inside blowout preventer valve apparatus |
PCT/US1983/001581 WO1984001600A1 (en) | 1982-10-12 | 1983-10-12 | Retrievable inside blowout preventer valve apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
NO842319L true NO842319L (no) | 1984-06-08 |
NO162578B NO162578B (no) | 1989-10-09 |
NO162578C NO162578C (no) | 1990-01-17 |
Family
ID=26768646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO842319A NO162578C (no) | 1982-10-12 | 1984-06-08 | Opptrekkbar innvendig boresikringsventilanordning. |
Country Status (2)
Country | Link |
---|---|
BR (1) | BR8307568A (no) |
NO (1) | NO162578C (no) |
-
1983
- 1983-10-12 BR BR8307568A patent/BR8307568A/pt unknown
-
1984
- 1984-06-08 NO NO842319A patent/NO162578C/no unknown
Also Published As
Publication number | Publication date |
---|---|
BR8307568A (pt) | 1984-08-28 |
NO162578B (no) | 1989-10-09 |
NO162578C (no) | 1990-01-17 |
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