NO177399C - Brönnsikringsventil som styres av det hydrostatiske trykk - Google Patents
Brönnsikringsventil som styres av det hydrostatiske trykkInfo
- Publication number
- NO177399C NO177399C NO853026A NO853026A NO177399C NO 177399 C NO177399 C NO 177399C NO 853026 A NO853026 A NO 853026A NO 853026 A NO853026 A NO 853026A NO 177399 C NO177399 C NO 177399C
- Authority
- NO
- Norway
- Prior art keywords
- hydrostatic pressure
- valve controlled
- protection valve
- well protection
- well
- Prior art date
Links
- 230000002706 hydrostatic effect Effects 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
- F16K31/22—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with the float rigidly connected to the valve
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Vibration Prevention Devices (AREA)
- Details Of Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/645,574 US4721162A (en) | 1984-08-29 | 1984-08-29 | Fluid level controlled safety valve |
Publications (3)
Publication Number | Publication Date |
---|---|
NO853026L NO853026L (no) | 1986-03-03 |
NO177399B NO177399B (no) | 1995-05-29 |
NO177399C true NO177399C (no) | 1995-09-06 |
Family
ID=24589554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO853026A NO177399C (no) | 1984-08-29 | 1985-07-30 | Brönnsikringsventil som styres av det hydrostatiske trykk |
Country Status (4)
Country | Link |
---|---|
US (1) | US4721162A (fr) |
FR (1) | FR2569760B1 (fr) |
GB (1) | GB2163794B (fr) |
NO (1) | NO177399C (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4771831A (en) * | 1987-10-06 | 1988-09-20 | Camco, Incorporated | Liquid level actuated sleeve valve |
US5095994A (en) * | 1990-11-08 | 1992-03-17 | Otis Engineering Corportion | Flow actuated safety valve with retrievable choke and metal seals |
US5127474A (en) * | 1990-12-14 | 1992-07-07 | Marathon Oil Company | Method and means for stabilizing gravel packs |
US5226483A (en) * | 1992-03-04 | 1993-07-13 | Otis Engineering Corporation | Safety valve landing nipple and method |
US5314026A (en) * | 1992-03-04 | 1994-05-24 | Otis Engineering Corporation | Landing nipple |
DE4237050A1 (de) * | 1992-11-03 | 1994-05-05 | Klein Schanzlin & Becker Ag | Bohrlochpumpe |
US5957197A (en) * | 1997-04-10 | 1999-09-28 | Liaohe Petroleum Exploration Bureau Of Xinglongtai | Downhole cut-off valve used for cementing |
GB0404012D0 (en) * | 2004-02-24 | 2004-03-31 | Red Spider Technology Ltd | Improvements in or relating to valves |
US7500523B2 (en) * | 2005-04-08 | 2009-03-10 | Weatherford/Lamb, Inc. | Valve for controlling the flow of fluid between an interior region of the valve and an exterior region of the valve |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3071151A (en) * | 1958-11-05 | 1963-01-01 | Otis Eng Co | Pressure responsive control valve for well tubing |
US3310114A (en) * | 1964-07-01 | 1967-03-21 | Otis Eng Co | Pressure operated safety valve |
US3452777A (en) * | 1964-08-24 | 1969-07-01 | William W Dollison | Pressure-responsive safety valve |
US3552490A (en) * | 1968-12-23 | 1971-01-05 | Otis Eng Co | Pressure regulator for well flow conductors |
US3627042A (en) * | 1970-06-30 | 1971-12-14 | Camco Inc | Subsurface well safety apparatus |
AR207201A1 (es) * | 1971-04-28 | 1976-09-22 | Schlumberger Tecnology Corp | Conjunto de valvula de seguridad |
US3884300A (en) * | 1971-06-16 | 1975-05-20 | Macco Oil Tool Co Inc | Automatic safety valve |
US3824850A (en) * | 1971-11-17 | 1974-07-23 | Schlumberger Technology Corp | Pressure controlled test valve system for offshore wells |
US3860066A (en) * | 1972-03-27 | 1975-01-14 | Otis Eng Co | Safety valves for wells |
US3799269A (en) * | 1972-04-03 | 1974-03-26 | Macco Oil Tool Co Inc | Safety means for well flow control |
US3848629A (en) * | 1972-10-31 | 1974-11-19 | Schlumberger Technology Corp | Low flow safety valve with pressure lock |
US3814181A (en) * | 1972-12-29 | 1974-06-04 | Schlumberger Technology Corp | Ambient pressure responsive safety valve |
US3827501A (en) * | 1973-04-09 | 1974-08-06 | Udell Garrett Inc | Method and apparatus for automatically terminating uncontrolled flow of well fluids from a subsurface formation |
US4014386A (en) * | 1976-04-23 | 1977-03-29 | Schlumberger Technology Corporation | Subsurface safety valve apparatus |
US4140153A (en) * | 1977-05-06 | 1979-02-20 | Otis Engineering Corporation | Subsurface safety valve |
US4103744A (en) * | 1977-08-04 | 1978-08-01 | Baker International Corporation | Safety valve and ball type equalizing valve |
US4440221A (en) * | 1980-09-15 | 1984-04-03 | Otis Engineering Corporation | Submergible pump installation |
-
1984
- 1984-08-29 US US06/645,574 patent/US4721162A/en not_active Expired - Lifetime
-
1985
- 1985-07-30 NO NO853026A patent/NO177399C/no not_active IP Right Cessation
- 1985-08-07 GB GB08519790A patent/GB2163794B/en not_active Expired
- 1985-08-23 FR FR858512654A patent/FR2569760B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2163794B (en) | 1987-11-18 |
NO177399B (no) | 1995-05-29 |
FR2569760B1 (fr) | 1991-09-27 |
NO853026L (no) | 1986-03-03 |
US4721162A (en) | 1988-01-26 |
FR2569760A1 (fr) | 1986-03-07 |
GB2163794A (en) | 1986-03-05 |
GB8519790D0 (en) | 1985-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR8502199A (pt) | Valvula de pressao | |
FI861699A0 (fi) | Styrventil. | |
DE68916267D1 (de) | Druckausgleichsventil. | |
DK479886A (da) | Fluidtrykreguleringsventil | |
DE68906851D1 (de) | Hydraulisches pilotventil. | |
IT8522636A0 (it) | Valvola di limitazione dipressione. | |
DE58906038D1 (de) | Druckventil. | |
DE58904471D1 (de) | Differenzdruckregelventil. | |
IT8223023A0 (it) | Valvola per regolare la pressione. | |
NO177399C (no) | Brönnsikringsventil som styres av det hydrostatiske trykk | |
IT8721384A0 (it) | Valvola regolatrice di pressione. | |
DE3675159D1 (de) | Zweikreisig ansteuerbares bremsdruck-steuerventil. | |
NO854866L (no) | Feilsikker broennsikkerhetsventil. | |
NO870538L (no) | Fluid reguleringsventil. | |
NO855032L (no) | Trykkreduksjonsventil. | |
DE3786445D1 (de) | Druckregelungsventil. | |
DE3788517D1 (de) | Hydraulisches richtungs-vorsteuerventil. | |
DE68913425D1 (de) | Drucksteuerventil. | |
DE68908317D1 (de) | Druckregelventil. | |
DE68910431D1 (de) | Fluidsteuerventil. | |
DE3878259D1 (de) | Von primaerem druck gesteuertes proportionalventil. | |
BE888848A (nl) | Drukregelklep | |
DE3789256D1 (de) | Druckregelventil. | |
DE3874720D1 (de) | Drucksteuerventil. | |
BE888847A (nl) | Drukregelklep |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |