SG59784G - Hydraulically operated actuator - Google Patents

Hydraulically operated actuator

Info

Publication number
SG59784G
SG59784G SG597/84A SG59784A SG59784G SG 59784 G SG59784 G SG 59784G SG 597/84 A SG597/84 A SG 597/84A SG 59784 A SG59784 A SG 59784A SG 59784 G SG59784 G SG 59784G
Authority
SG
Singapore
Prior art keywords
hydraulically operated
operated actuator
actuator
hydraulically
operated
Prior art date
Application number
SG597/84A
Original Assignee
Exxon Production Research Co
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 Exxon Production Research Co filed Critical Exxon Production Research Co
Publication of SG59784G publication Critical patent/SG59784G/en

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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
    • F16J15/48—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings influenced by the pressure within the member to be sealed
    • 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
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/03—Valves operated by gear mechanisms, e.g. rack and pinion mechanisms
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/04—Ball valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Architecture (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)
  • Sealing Devices (AREA)
SG597/84A 1979-02-22 1984-08-24 Hydraulically operated actuator SG59784G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1394179A 1979-02-22 1979-02-22

Publications (1)

Publication Number Publication Date
SG59784G true SG59784G (en) 1985-04-26

Family

ID=21762620

Family Applications (1)

Application Number Title Priority Date Filing Date
SG597/84A SG59784G (en) 1979-02-22 1984-08-24 Hydraulically operated actuator

Country Status (5)

Country Link
CA (1) CA1139189A (en)
GB (1) GB2043780B (en)
MX (1) MX150727A (en)
NO (1) NO800471L (en)
SG (1) SG59784G (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107461174B (en) * 2017-09-26 2023-07-21 西南石油大学 Underground safety valve

Also Published As

Publication number Publication date
CA1139189A (en) 1983-01-11
GB2043780B (en) 1983-04-20
GB2043780A (en) 1980-10-08
NO800471L (en) 1980-08-25
MX150727A (en) 1984-07-06

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