BE472490A - - Google Patents

Info

Publication number
BE472490A
BE472490A BE472490DA BE472490A BE 472490 A BE472490 A BE 472490A BE 472490D A BE472490D A BE 472490DA BE 472490 A BE472490 A BE 472490A
Authority
BE
Belgium
Prior art keywords
valve
drill
air
water
automatic
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE472490A publication Critical patent/BE472490A/fr

Links

Classifications

    • 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
    • E21B21/08Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • 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
    • E21B21/01Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
BE472490D BE472490A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE472490A true BE472490A (enrdf_load_html_response)

Family

ID=122051

Family Applications (1)

Application Number Title Priority Date Filing Date
BE472490D BE472490A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE472490A (enrdf_load_html_response)

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