NL103683C - - Google Patents

Info

Publication number
NL103683C
NL103683C NL103683DA NL103683C NL 103683 C NL103683 C NL 103683C NL 103683D A NL103683D A NL 103683DA NL 103683 C NL103683 C NL 103683C
Authority
NL
Netherlands
Application number
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.)
Publication of NL103683C publication Critical patent/NL103683C/xx

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/03Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/033Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10Valve arrangements in drilling-fluid circulation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (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)
  • Check Valves (AREA)
NL103683D 1959-05-20 NL103683C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1714459A GB892950A (en) 1959-05-20 1959-05-20 Drill pipe float valves

Publications (1)

Publication Number Publication Date
NL103683C true NL103683C (en:Method)

Family

ID=10090061

Family Applications (1)

Application Number Title Priority Date Filing Date
NL103683D NL103683C (en:Method) 1959-05-20

Country Status (2)

Country Link
GB (1) GB892950A (en:Method)
NL (1) NL103683C (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380082B (de) * 1984-01-13 1986-04-10 Hoerbiger Ventilwerke Ag Einrichtung zum regeln der foerdermenge von rotationsverdichtern
GB8501806D0 (en) * 1985-01-24 1985-02-27 Simon Hartley Circular flap valve with buffer
DE3517139C1 (de) * 1985-05-11 1986-02-13 Bergbau-Bohrgesellschaft Rhein-Ruhr mbH, 4350 Recklinghausen Verfahren und Vorrichtung zum Vermindern der Hakenlast eines Bohrgestänges
JP6551001B2 (ja) 2015-07-21 2019-07-31 国立研究開発法人海洋研究開発機構 フロートバルブサブ
CN113882820B (zh) * 2021-12-08 2022-02-22 西南石油大学 一种钻具内防喷阀
EP4382783A1 (de) * 2022-12-08 2024-06-12 TI Automotive Technology Center GmbH Rückschlagventil

Also Published As

Publication number Publication date
GB892950A (en) 1962-04-04

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