NL7501394A - Hydraulische veiligheidsafsluiter. - Google Patents
Hydraulische veiligheidsafsluiter.Info
- Publication number
- NL7501394A NL7501394A NL7501394A NL7501394A NL7501394A NL 7501394 A NL7501394 A NL 7501394A NL 7501394 A NL7501394 A NL 7501394A NL 7501394 A NL7501394 A NL 7501394A NL 7501394 A NL7501394 A NL 7501394A
- Authority
- NL
- Netherlands
- Prior art keywords
- safety valve
- hydraulic safety
- hydraulic
- valve
- safety
- 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
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
- E21B34/105—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole retrievable, e.g. wire line retrievable, i.e. with an element which can be landed into a landing-nipple provided with a passage for control fluid
-
- 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
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
- E21B34/101—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for equalizing fluid pressure above and below the valve
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/05—Flapper valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86928—Sequentially progressive opening or closing of plural valves
- Y10T137/86936—Pressure equalizing or auxiliary shunt flow
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7403894A FR2271380A1 (en) | 1974-02-06 | 1974-02-06 | Safety valve with pressure compensation - designed for heavy duty borings for e.g. deep-sea gas conveying |
FR7436015A FR2289820A1 (fr) | 1974-10-28 | 1974-10-28 | Vannes de securite hydraulique |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7501394A true NL7501394A (nl) | 1975-08-08 |
NL176195B NL176195B (nl) | 1984-10-01 |
NL176195C NL176195C (nl) | 1985-03-01 |
Family
ID=26218162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7501394A NL176195C (nl) | 1974-02-06 | 1975-02-05 | Hydraulisch bediende veiligheidsafsluiter voor een hoge-druk onderwater gasput. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3999574A (nl) |
CA (1) | CA1024887A (nl) |
DE (1) | DE2504616C2 (nl) |
GB (1) | GB1476581A (nl) |
IT (1) | IT1031487B (nl) |
NL (1) | NL176195C (nl) |
NO (2) | NO144227C (nl) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4252143A (en) * | 1979-05-31 | 1981-02-24 | Otis Engineering Corporation | Actuator |
US4452311A (en) * | 1982-09-24 | 1984-06-05 | Otis Engineering Corporation | Equalizing means for well tools |
US4531587A (en) * | 1984-02-22 | 1985-07-30 | Baker Oil Tools, Inc. | Downhole flapper valve |
NO156704C (no) * | 1984-04-06 | 1987-11-04 | Norske Stats Oljeselskap | Tilbakeslagsventil. |
US4579177A (en) * | 1985-02-15 | 1986-04-01 | Camco, Incorporated | Subsurface solenoid latched safety valve |
FR2602848B1 (fr) * | 1986-07-29 | 1988-11-25 | Diamant Boart Sa | Vanne de securite a clapet perfectionne pour puits petrolier |
FR2602867B1 (fr) * | 1986-07-29 | 1988-11-25 | Diamant Boart Sa | Cellule de test d'etancheite d'une vanne de securite de puits petrolier, procede de mise en oeuvre et vanne adaptee |
FR2602849B1 (fr) * | 1986-07-29 | 1989-04-07 | Diamant Boart Sa | Vanne de securite pour puits petrolier |
GB2223781B (en) * | 1988-10-11 | 1992-06-10 | Camco Inc | Large bore retrievable well safety valve |
US5503229A (en) * | 1994-09-09 | 1996-04-02 | Camco International Inc. | Equalizing subsurface safety valve |
WO1998055732A1 (en) * | 1997-06-03 | 1998-12-10 | Camco International Inc. | Pressure equalizing safety valve for subterranean wells |
US6296061B1 (en) | 1998-12-22 | 2001-10-02 | Camco International Inc. | Pilot-operated pressure-equalizing mechanism for subsurface valve |
FR2907841B1 (fr) * | 2006-10-30 | 2011-04-15 | Snecma | Secteur d'anneau de turbine de turbomachine |
US8371375B2 (en) * | 2009-12-09 | 2013-02-12 | Baker Hughes Incorporated | Wireline run mechanically or hydraulically operated subterranean insert barrier valve and associated landing nipple |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2373034A (en) * | 1941-09-05 | 1945-04-03 | Otis | Well control device |
US3090443A (en) * | 1958-11-03 | 1963-05-21 | Otis Eng Co | Well tools |
US3071151A (en) * | 1958-11-05 | 1963-01-01 | Otis Eng Co | Pressure responsive control valve for well tubing |
US3040811A (en) * | 1959-04-23 | 1962-06-26 | Jersey Prod Res Co | Subsurface safety valve |
US3078923A (en) * | 1960-04-15 | 1963-02-26 | Camco Inc | Safety valve for wells |
US3865141A (en) * | 1973-06-29 | 1975-02-11 | Schlumberger Technology Corp | Subsurface safety valve apparatus |
US3845818A (en) * | 1973-08-10 | 1974-11-05 | Otis Eng Co | Well tools |
-
0
- NO NO750328B patent/NO144227B/no unknown
-
1974
- 1974-11-25 US US05/526,954 patent/US3999574A/en not_active Expired - Lifetime
-
1975
- 1975-02-03 NO NO750328A patent/NO144227C/no unknown
- 1975-02-04 DE DE2504616A patent/DE2504616C2/de not_active Expired
- 1975-02-05 GB GB489775A patent/GB1476581A/en not_active Expired
- 1975-02-05 NL NL7501394A patent/NL176195C/nl not_active IP Right Cessation
- 1975-02-06 CA CA219,477A patent/CA1024887A/fr not_active Expired
- 1975-02-06 IT IT1997875A patent/IT1031487B/it active
Also Published As
Publication number | Publication date |
---|---|
NL176195C (nl) | 1985-03-01 |
NO144227C (no) | 1981-07-15 |
GB1476581A (en) | 1977-06-16 |
DE2504616A1 (de) | 1975-08-14 |
CA1024887A (fr) | 1978-01-24 |
NO750328L (nl) | 1975-08-07 |
US3999574A (en) | 1976-12-28 |
DE2504616C2 (de) | 1984-05-30 |
IT1031487B (it) | 1979-04-30 |
NO144227B (no) | |
NL176195B (nl) | 1984-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |