BE492827A - - Google Patents

Info

Publication number
BE492827A
BE492827A BE492827DA BE492827A BE 492827 A BE492827 A BE 492827A BE 492827D A BE492827D A BE 492827DA BE 492827 A BE492827 A BE 492827A
Authority
BE
Belgium
Prior art keywords
motor
drilling
guide
feed
advance
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE492827A publication Critical patent/BE492827A/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
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/086Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder

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)
BE492827D BE492827A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE492827A true BE492827A (enrdf_load_stackoverflow)

Family

ID=136977

Family Applications (1)

Application Number Title Priority Date Filing Date
BE492827D BE492827A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE492827A (enrdf_load_stackoverflow)

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