GB1487803A - Controllable safety cap for oil and or gas well - Google Patents

Controllable safety cap for oil and or gas well

Info

Publication number
GB1487803A
GB1487803A GB1272975A GB1272975A GB1487803A GB 1487803 A GB1487803 A GB 1487803A GB 1272975 A GB1272975 A GB 1272975A GB 1272975 A GB1272975 A GB 1272975A GB 1487803 A GB1487803 A GB 1487803A
Authority
GB
United Kingdom
Prior art keywords
pressure
valve member
piston
pressure fluid
urging
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
Application number
GB1272975A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ERAP
Original Assignee
ERAP
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ERAP filed Critical ERAP
Publication of GB1487803A publication Critical patent/GB1487803A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/12—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
    • F16K1/126—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened actuated by fluid
    • 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
    • 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
    • E21B34/10—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
    • 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
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
    • 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
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Safety Valves (AREA)
GB1272975A 1974-04-12 1975-03-26 Controllable safety cap for oil and or gas well Expired GB1487803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7412954A FR2267501B1 (enrdf_load_stackoverflow) 1974-04-12 1974-04-12

Publications (1)

Publication Number Publication Date
GB1487803A true GB1487803A (en) 1977-10-05

Family

ID=9137615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1272975A Expired GB1487803A (en) 1974-04-12 1975-03-26 Controllable safety cap for oil and or gas well

Country Status (3)

Country Link
FR (1) FR2267501B1 (enrdf_load_stackoverflow)
GB (1) GB1487803A (enrdf_load_stackoverflow)
IT (1) IT1037195B (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK86264C (da) * 1952-09-09 1958-09-22 Rheinsthal Siegener Eisenbahn Skruebolt til fastgørelse af forskallingsbrædder på et bærestillads.
GB2241523A (en) * 1990-03-02 1991-09-04 Otis Eng Co Annular safety system for gas lift production
WO2003010464A1 (en) * 2001-07-26 2003-02-06 Howard Lowe A shut-off valve assembly
US7174912B2 (en) 2001-07-26 2007-02-13 Howard Lowe Shut-off valve assembly
AU2004200757B2 (en) * 2001-07-26 2007-10-18 Howard Lowe A Shut-Off Valve Assembly
WO2012031276A1 (en) * 2010-09-03 2012-03-08 Adams Charles J Cap valve
GB2489730A (en) * 2011-04-07 2012-10-10 Keith Donald Woodford An injection device and valve arrangement for downhole use
RU2611118C1 (ru) * 2015-10-12 2017-02-21 Открытое акционерное общество "Завод им. В.А. Дегтярева" Пневмогидравлический клапан отсечной
RU2626803C1 (ru) * 2015-10-15 2017-08-01 Общество с ограниченной ответственностью Финансово-промышленная компания "Космос-Нефть-Газ" Клапан регулирующий прямоточный с гидроприводом

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475599A (en) * 1981-05-01 1984-10-09 Baker International Corporation Valve for subterranean wells
FR2575793B1 (fr) * 1985-01-07 1987-02-27 Smf Int Dispositif d'actionnement a distance d'un equipement associe a un conduit dans lequel circule un fluide incompressible
ATE32930T1 (de) * 1985-01-07 1988-03-15 Smf Int Durchflussferngesteuerte vorrichtung zum betaetigen insbesondere von stabilisatoren in einem bohrstrang.
EP0953097A1 (en) * 1997-06-03 1999-11-03 Camco International Inc. Pressure equalizing safety valve for subterranean wells
AU7836198A (en) * 1997-06-10 1998-12-30 Camco International, Inc. Pressure equalizing safety valve for subterranean wells
US6283217B1 (en) * 1998-08-06 2001-09-04 Schlumberger Technology Corp. Axial equalizing valve
AT515060B1 (de) * 2013-10-15 2015-08-15 Bartling Werner Dosiereinrichtung für Granulat
US12098779B2 (en) * 2022-08-24 2024-09-24 Griswold Controls, Llc Flow control valve with rolling diaphragm

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK86264C (da) * 1952-09-09 1958-09-22 Rheinsthal Siegener Eisenbahn Skruebolt til fastgørelse af forskallingsbrædder på et bærestillads.
GB2241523A (en) * 1990-03-02 1991-09-04 Otis Eng Co Annular safety system for gas lift production
GB2241523B (en) * 1990-03-02 1994-03-02 Otis Eng Co Annular safety system for gas lift production
WO2003010464A1 (en) * 2001-07-26 2003-02-06 Howard Lowe A shut-off valve assembly
US7174912B2 (en) 2001-07-26 2007-02-13 Howard Lowe Shut-off valve assembly
AU2004200757B2 (en) * 2001-07-26 2007-10-18 Howard Lowe A Shut-Off Valve Assembly
WO2012031276A1 (en) * 2010-09-03 2012-03-08 Adams Charles J Cap valve
GB2489730A (en) * 2011-04-07 2012-10-10 Keith Donald Woodford An injection device and valve arrangement for downhole use
GB2489730B (en) * 2011-04-07 2017-08-09 Tco As Injection device
RU2611118C1 (ru) * 2015-10-12 2017-02-21 Открытое акционерное общество "Завод им. В.А. Дегтярева" Пневмогидравлический клапан отсечной
RU2626803C1 (ru) * 2015-10-15 2017-08-01 Общество с ограниченной ответственностью Финансово-промышленная компания "Космос-Нефть-Газ" Клапан регулирующий прямоточный с гидроприводом

Also Published As

Publication number Publication date
FR2267501A1 (enrdf_load_stackoverflow) 1975-11-07
FR2267501B1 (enrdf_load_stackoverflow) 1980-03-14
IT1037195B (it) 1979-11-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee