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GB2074632B - Cut off valves - Google Patents

Cut off valves

Info

Publication number
GB2074632B
GB2074632B GB8111646A GB8111646A GB2074632B GB 2074632 B GB2074632 B GB 2074632B GB 8111646 A GB8111646 A GB 8111646A GB 8111646 A GB8111646 A GB 8111646A GB 2074632 B GB2074632 B GB 2074632B
Authority
GB
United Kingdom
Prior art keywords
valves
cut
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
GB8111646A
Other versions
GB2074632A (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.)
Huebsch D L
Paulos L B
Original Assignee
Huebsch D L
Paulos L B
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 Huebsch D L, Paulos L B filed Critical Huebsch D L
Publication of GB2074632A publication Critical patent/GB2074632A/en
Application granted granted Critical
Publication of GB2074632B publication Critical patent/GB2074632B/en
Expired 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
    • E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
    • 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
    • E21B2200/05—Flapper valves

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Magnetically Actuated Valves (AREA)
GB8111646A 1980-04-14 1981-04-13 Cut off valves Expired GB2074632B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14018880A 1980-04-14 1980-04-14

Publications (2)

Publication Number Publication Date
GB2074632A GB2074632A (en) 1981-11-04
GB2074632B true GB2074632B (en) 1983-12-07

Family

ID=22490126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8111646A Expired GB2074632B (en) 1980-04-14 1981-04-13 Cut off valves

Country Status (1)

Country Link
GB (1) GB2074632B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0208803A (en) * 2002-02-06 2004-03-09 Geoservices Trigger for closing a safety valve and safety assembly for underground exploration duct

Also Published As

Publication number Publication date
GB2074632A (en) 1981-11-04

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Legal Events

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

Effective date: 19950413