GB2351775B - Subsurface safety valve actuation pressure amplifier - Google Patents

Subsurface safety valve actuation pressure amplifier

Info

Publication number
GB2351775B
GB2351775B GB0025242A GB0025242A GB2351775B GB 2351775 B GB2351775 B GB 2351775B GB 0025242 A GB0025242 A GB 0025242A GB 0025242 A GB0025242 A GB 0025242A GB 2351775 B GB2351775 B GB 2351775B
Authority
GB
United Kingdom
Prior art keywords
safety valve
valve actuation
actuation pressure
subsurface safety
pressure amplifier
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 - Fee Related
Application number
GB0025242A
Other versions
GB0025242D0 (en
GB2351775A (en
Inventor
Kurt A Hickey
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
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
Priority claimed from US08/694,359 external-priority patent/US5897095A/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0025242D0 publication Critical patent/GB0025242D0/en
Publication of GB2351775A publication Critical patent/GB2351775A/en
Application granted granted Critical
Publication of GB2351775B publication Critical patent/GB2351775B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • 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
    • E21B34/16—Control means therefor being outside the borehole
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Check Valves (AREA)
GB0025242A 1996-08-08 1997-08-07 Subsurface safety valve actuation pressure amplifier Expired - Fee Related GB2351775B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/694,359 US5897095A (en) 1996-08-08 1996-08-08 Subsurface safety valve actuation pressure amplifier
GB9716679A GB2322652B (en) 1996-08-08 1997-08-07 Subsurfaces safety valve actuation pressure amplifier

Publications (3)

Publication Number Publication Date
GB0025242D0 GB0025242D0 (en) 2000-11-29
GB2351775A GB2351775A (en) 2001-01-10
GB2351775B true GB2351775B (en) 2001-02-28

Family

ID=26312023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0025242A Expired - Fee Related GB2351775B (en) 1996-08-08 1997-08-07 Subsurface safety valve actuation pressure amplifier

Country Status (1)

Country Link
GB (1) GB2351775B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1098499A (en) * 1965-05-11 1968-01-10 Frank Marshall Engineers Ltd An improved hydraulic pressure testing device
WO1981001692A1 (en) * 1979-12-07 1981-06-25 Valmet Oy Pressure converter for hydraulic brakes,particularly for tractors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1098499A (en) * 1965-05-11 1968-01-10 Frank Marshall Engineers Ltd An improved hydraulic pressure testing device
WO1981001692A1 (en) * 1979-12-07 1981-06-25 Valmet Oy Pressure converter for hydraulic brakes,particularly for tractors

Also Published As

Publication number Publication date
GB0025242D0 (en) 2000-11-29
GB2351775A (en) 2001-01-10

Similar Documents

Publication Publication Date Title
AU3156497A (en) Subsurface safety valve actuation pressure amplifier
GB2292959B (en) Equalizing subsurface safety valve
GB2322419B (en) Pressure valve
GB2296519B (en) Subsurface safety valve
EP0716235A3 (en) Hydraulic operated valve
AUPO160596A0 (en) Improved mains pressure flusher valve
GB2308425B (en) Improved pressure reduction valve
IL126434A0 (en) Fluid pressure amplifier
EP0884508A4 (en) Safety valve
GB2316425B (en) Downhole valve actuation
GB2351775B (en) Subsurface safety valve actuation pressure amplifier
GB9614421D0 (en) Pressure release valve
AU3920797A (en) Brake valve
AU1731697A (en) Safety valve arrangement
GB2323872B (en) Subsurface safety valve
GB9617053D0 (en) Pressure relief valve
GB2275919B (en) Gas pressure release valve
GB9617763D0 (en) A rapid system for the determination of the set pressure of safety valves
GB9615456D0 (en) Pressure reduction valve
PL306695A1 (en) Pressure releasing safety valve
TW309074U (en) Pressure controlling valve
GB2315566B (en) Fluid pressure amplifier
PL313050A1 (en) Pressure reducing release valve
GB2310478B (en) Pressure relief valves
GB9606949D0 (en) Fluid pressure amplifier

Legal Events

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

Effective date: 20040807