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DK315780A - Manoevringsorgan isaer til en ventil - Google Patents

Manoevringsorgan isaer til en ventil

Info

Publication number
DK315780A
DK315780A DK315780A DK315780A DK315780A DK 315780 A DK315780 A DK 315780A DK 315780 A DK315780 A DK 315780A DK 315780 A DK315780 A DK 315780A DK 315780 A DK315780 A DK 315780A
Authority
DK
Denmark
Prior art keywords
isair
manual
valve
manual isair
Prior art date
Application number
DK315780A
Other languages
English (en)
Inventor
J V Fredd
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 DK315780A publication Critical patent/DK315780A/da

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

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)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Actuator (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK315780A 1979-07-23 1980-07-22 Manoevringsorgan isaer til en ventil DK315780A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/059,666 US4252188A (en) 1979-07-23 1979-07-23 Actuator

Publications (1)

Publication Number Publication Date
DK315780A true DK315780A (da) 1981-01-24

Family

ID=22024444

Family Applications (1)

Application Number Title Priority Date Filing Date
DK315780A DK315780A (da) 1979-07-23 1980-07-22 Manoevringsorgan isaer til en ventil

Country Status (6)

Country Link
US (1) US4252188A (da)
EP (1) EP0023113B1 (da)
AU (1) AU532339B2 (da)
CA (1) CA1136037A (da)
DK (1) DK315780A (da)
NO (1) NO802202L (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4252195A (en) * 1979-07-26 1981-02-24 Otis Engineering Corporation Well test systems and methods
US4467867A (en) * 1982-07-06 1984-08-28 Baker Oil Tools, Inc. Subterranean well safety valve with reference pressure chamber
US4618000A (en) * 1985-02-08 1986-10-21 Halliburton Company Pump open safety valve and method of use
FR2588915B1 (fr) * 1985-10-18 1988-03-18 Flopetrol Outil d'obturation de la colonne de production d'un puits
GB2231069B (en) * 1989-04-28 1993-03-03 Exploration & Prod Serv Valves
CN112523734A (zh) * 2020-09-14 2021-03-19 中国石油集团渤海钻探工程有限公司 以封隔器为底封的油管拖动压裂管柱及压裂方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619179A (en) * 1948-10-07 1952-11-25 Arthur L Armentrout Circulating unit and actuator therefor
US2965175A (en) * 1949-06-25 1960-12-20 Dailey Oil Tools Inc Pipe puller
US2747673A (en) * 1952-10-23 1956-05-29 Richard R Lawrence Pulling tool
US3896876A (en) * 1972-07-28 1975-07-29 Baker Oil Tools Inc Subsurface tubing safety valve with auxiliary operating means
US3820599A (en) * 1972-09-01 1974-06-28 Rockwell Mfg Co Circulation apparatus
US3850250A (en) * 1972-09-11 1974-11-26 Halliburton Co Wellbore circulating valve
US3818987A (en) * 1972-11-17 1974-06-25 Dresser Ind Well packer and retriever
US4050512A (en) * 1976-07-06 1977-09-27 Bj-Hughes Inc. Stroke actuated well testing tool
US4113012A (en) * 1977-10-27 1978-09-12 Halliburton Company Reclosable circulation valve for use in oil well testing
US4149593A (en) * 1977-12-27 1979-04-17 Otis Engineering Corporation Well testing tool system

Also Published As

Publication number Publication date
US4252188A (en) 1981-02-24
EP0023113B1 (en) 1984-01-25
AU532339B2 (en) 1983-09-29
EP0023113A1 (en) 1981-01-28
AU5818780A (en) 1981-01-29
NO802202L (no) 1981-01-26
CA1136037A (en) 1982-11-23

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Legal Events

Date Code Title Description
ATS Application withdrawn