BE530038A - - Google Patents

Info

Publication number
BE530038A
BE530038A BE530038DA BE530038A BE 530038 A BE530038 A BE 530038A BE 530038D A BE530038D A BE 530038DA BE 530038 A BE530038 A BE 530038A
Authority
BE
Belgium
Prior art keywords
pile
plate
periphery
flywheel
movement
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE530038A publication Critical patent/BE530038A/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
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling
    • E21B3/025Surface drives for rotary drilling with a to-and-fro rotation of the tool

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)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
BE530038D BE530038A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE530038A true BE530038A (enrdf_load_html_response)

Family

ID=162815

Family Applications (1)

Application Number Title Priority Date Filing Date
BE530038D BE530038A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE530038A (enrdf_load_html_response)

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