NO802336L - DIPPABLE SAFETY VALVE. - Google Patents

DIPPABLE SAFETY VALVE.

Info

Publication number
NO802336L
NO802336L NO802336A NO802336A NO802336L NO 802336 L NO802336 L NO 802336L NO 802336 A NO802336 A NO 802336A NO 802336 A NO802336 A NO 802336A NO 802336 L NO802336 L NO 802336L
Authority
NO
Norway
Prior art keywords
dippable
safety valve
safety
valve
dippable safety
Prior art date
Application number
NO802336A
Other languages
Norwegian (no)
Other versions
NO158963B (en
NO158963C (en
Inventor
Ernest P Fisher Jr
John H Yonker
Original Assignee
Otis Eng 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 Otis Eng Co filed Critical Otis Eng Co
Publication of NO802336L publication Critical patent/NO802336L/en
Publication of NO158963B publication Critical patent/NO158963B/en
Publication of NO158963C publication Critical patent/NO158963C/en

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
    • E21B34/105—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole retrievable, e.g. wire line retrievable, i.e. with an element which can be landed into a landing-nipple provided with a passage for control fluid
    • 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

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Safety Valves (AREA)
  • Lift Valve (AREA)
  • Magnetically Actuated Valves (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
NO802336A 1979-09-13 1980-08-05 SURFACE CONTROL VALVE VALVE FOR USE IN BURN PRODUCTION BEARS. NO158963C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7523979A 1979-09-13 1979-09-13

Publications (3)

Publication Number Publication Date
NO802336L true NO802336L (en) 1981-03-16
NO158963B NO158963B (en) 1988-08-08
NO158963C NO158963C (en) 1988-11-16

Family

ID=22124424

Family Applications (1)

Application Number Title Priority Date Filing Date
NO802336A NO158963C (en) 1979-09-13 1980-08-05 SURFACE CONTROL VALVE VALVE FOR USE IN BURN PRODUCTION BEARS.

Country Status (4)

Country Link
CA (1) CA1149734A (en)
FR (1) FR2468813B1 (en)
GB (2) GB2060029B (en)
NO (1) NO158963C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2223781B (en) * 1988-10-11 1992-06-10 Camco Inc Large bore retrievable well safety valve
CN114909107B (en) * 2022-06-16 2024-03-01 惟其信石油机械(天津)有限公司 Large-drift-diameter underground safety valve and use method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1285847A (en) * 1961-04-08 1962-02-23 Camco Safety valve operating in the basement area of a well
US4149698A (en) * 1977-04-13 1979-04-17 Otis Engineering Corporation Surface controlled subsurface safety valve

Also Published As

Publication number Publication date
GB2109037B (en) 1984-03-21
NO158963B (en) 1988-08-08
CA1149734A (en) 1983-07-12
NO158963C (en) 1988-11-16
FR2468813B1 (en) 1986-04-04
FR2468813A1 (en) 1981-05-08
GB2060029A (en) 1981-04-29
GB2109037A (en) 1983-05-25
GB2060029B (en) 1983-09-21

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