NO912895L - CLOSE VALVE. - Google Patents
CLOSE VALVE.Info
- Publication number
- NO912895L NO912895L NO91912895A NO912895A NO912895L NO 912895 L NO912895 L NO 912895L NO 91912895 A NO91912895 A NO 91912895A NO 912895 A NO912895 A NO 912895A NO 912895 L NO912895 L NO 912895L
- Authority
- NO
- Norway
- Prior art keywords
- close valve
- valve
- close
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO912895A NO173200C (en) | 1991-07-24 | 1991-07-24 | CLOSING VALVE |
AU23642/92A AU2364292A (en) | 1991-07-24 | 1992-07-23 | Shut-off valve |
PCT/NO1992/000126 WO1993002273A1 (en) | 1991-07-24 | 1992-07-23 | Shut-off valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO912895A NO173200C (en) | 1991-07-24 | 1991-07-24 | CLOSING VALVE |
Publications (4)
Publication Number | Publication Date |
---|---|
NO912895D0 NO912895D0 (en) | 1991-07-24 |
NO912895L true NO912895L (en) | 1993-01-25 |
NO173200B NO173200B (en) | 1993-08-02 |
NO173200C NO173200C (en) | 1993-11-10 |
Family
ID=19894327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO912895A NO173200C (en) | 1991-07-24 | 1991-07-24 | CLOSING VALVE |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2364292A (en) |
NO (1) | NO173200C (en) |
WO (1) | WO1993002273A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2286840B (en) * | 1994-02-10 | 1997-09-03 | Fmc Corp | Safety valve for horizontal tree |
WO2006051317A1 (en) * | 2004-11-13 | 2006-05-18 | Hunting Cromar Limited | Improved valve |
GB0425117D0 (en) | 2004-11-13 | 2004-12-15 | Cromar Ltd | Improved valve |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3589667A (en) * | 1969-02-20 | 1971-06-29 | Hydril Co | Combination well blowout preventer |
US4253638A (en) * | 1979-08-02 | 1981-03-03 | Cameron Iron Works, Inc. | Blowout preventer |
-
1991
- 1991-07-24 NO NO912895A patent/NO173200C/en unknown
-
1992
- 1992-07-23 WO PCT/NO1992/000126 patent/WO1993002273A1/en active Application Filing
- 1992-07-23 AU AU23642/92A patent/AU2364292A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
NO173200B (en) | 1993-08-02 |
WO1993002273A1 (en) | 1993-02-04 |
AU2364292A (en) | 1993-02-23 |
NO173200C (en) | 1993-11-10 |
NO912895D0 (en) | 1991-07-24 |
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