GB0025242D0 - Subsurface safety valve actuation pressure amplifier - Google Patents

Subsurface safety valve actuation pressure amplifier

Info

Publication number
GB0025242D0
GB0025242D0 GBGB0025242.9A GB0025242A GB0025242D0 GB 0025242 D0 GB0025242 D0 GB 0025242D0 GB 0025242 A GB0025242 A GB 0025242A GB 0025242 D0 GB0025242 D0 GB 0025242D0
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.)
Granted
Application number
GBGB0025242.9A
Other versions
GB2351775A (en
GB2351775B (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.)
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 true GB0025242D0 (en) 2000-11-29
GB2351775A GB2351775A (en) 2001-01-10
GB2351775B 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)

Family Cites Families (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
FI62256C (en) * 1979-12-07 1982-12-10 Valmet Oy FOER HYDRAULIC BROMSAR AEMNAD TRYCKOMFORMARE SPECIELLT FOER TRAKTORER

Also Published As

Publication number Publication date
GB2351775A (en) 2001-01-10
GB2351775B (en) 2001-02-28

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Legal Events

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

Effective date: 20040807