GB2043780B - Hydraulically operated actuator - Google Patents

Hydraulically operated actuator

Info

Publication number
GB2043780B
GB2043780B GB8006106A GB8006106A GB2043780B GB 2043780 B GB2043780 B GB 2043780B GB 8006106 A GB8006106 A GB 8006106A GB 8006106 A GB8006106 A GB 8006106A GB 2043780 B GB2043780 B GB 2043780B
Authority
GB
United Kingdom
Prior art keywords
hydraulically operated
operated actuator
actuator
hydraulically
operated
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
GB8006106A
Other versions
GB2043780A (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.)
ExxonMobil Upstream Research Co
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 GB2043780A publication Critical patent/GB2043780A/en
Application granted granted Critical
Publication of GB2043780B publication Critical patent/GB2043780B/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
    • 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
GB8006106A 1979-02-22 1980-02-22 Hydraulically operated actuator Expired GB2043780B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2043780A GB2043780A (en) 1980-10-08
GB2043780B true GB2043780B (en) 1983-04-20

Family

ID=21762620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8006106A Expired GB2043780B (en) 1979-02-22 1980-02-22 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
SG59784G (en) 1985-04-26
NO800471L (en) 1980-08-25
CA1139189A (en) 1983-01-11
GB2043780A (en) 1980-10-08
MX150727A (en) 1984-07-06

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Legal Events

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