GB2205925B - Auxiliary valve-actuator - Google Patents

Auxiliary valve-actuator

Info

Publication number
GB2205925B
GB2205925B GB8714332A GB8714332A GB2205925B GB 2205925 B GB2205925 B GB 2205925B GB 8714332 A GB8714332 A GB 8714332A GB 8714332 A GB8714332 A GB 8714332A GB 2205925 B GB2205925 B GB 2205925B
Authority
GB
United Kingdom
Prior art keywords
actuator
auxiliary valve
auxiliary
valve
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
GB8714332A
Other versions
GB2205925A (en
GB8714332D0 (en
Inventor
Bruce Jagger
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.)
CAMERON WORKS Ltd
CAMERSON IRON WORKS Ltd
Original Assignee
CAMERON WORKS Ltd
CAMERSON IRON WORKS Ltd
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 CAMERON WORKS Ltd, CAMERSON IRON WORKS Ltd filed Critical CAMERON WORKS Ltd
Priority to GB8714332A priority Critical patent/GB2205925B/en
Publication of GB8714332D0 publication Critical patent/GB8714332D0/en
Publication of GB2205925A publication Critical patent/GB2205925A/en
Application granted granted Critical
Publication of GB2205925B publication Critical patent/GB2205925B/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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/04—Cutting of wire lines or the like
    • 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
    • E21B34/02—Valve arrangements for boreholes or wells in well heads
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/08—Cutting or deforming pipes to control fluid flow
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
GB8714332A 1987-06-18 1987-06-18 Auxiliary valve-actuator Expired - Fee Related GB2205925B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8714332A GB2205925B (en) 1987-06-18 1987-06-18 Auxiliary valve-actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8714332A GB2205925B (en) 1987-06-18 1987-06-18 Auxiliary valve-actuator

Publications (3)

Publication Number Publication Date
GB8714332D0 GB8714332D0 (en) 1987-07-22
GB2205925A GB2205925A (en) 1988-12-21
GB2205925B true GB2205925B (en) 1991-02-13

Family

ID=10619172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8714332A Expired - Fee Related GB2205925B (en) 1987-06-18 1987-06-18 Auxiliary valve-actuator

Country Status (1)

Country Link
GB (1) GB2205925B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4925154A (en) * 1989-02-15 1990-05-15 Cameron Iron Works Usa, Inc. Gate valve with supplemental actuator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572378A (en) * 1970-01-05 1971-03-23 Cooper Ind Inc Compressor valve unloading device
US4372333A (en) * 1981-08-24 1983-02-08 Baker Cac, Inc. Valve actuating apparatus and method
GB2157807A (en) * 1984-04-20 1985-10-30 Ava Int Corp Valves

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572378A (en) * 1970-01-05 1971-03-23 Cooper Ind Inc Compressor valve unloading device
US4372333A (en) * 1981-08-24 1983-02-08 Baker Cac, Inc. Valve actuating apparatus and method
GB2157807A (en) * 1984-04-20 1985-10-30 Ava Int Corp Valves

Also Published As

Publication number Publication date
GB2205925A (en) 1988-12-21
GB8714332D0 (en) 1987-07-22

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970618