BE500210A - - Google Patents

Info

Publication number
BE500210A
BE500210A BE500210DA BE500210A BE 500210 A BE500210 A BE 500210A BE 500210D A BE500210D A BE 500210DA BE 500210 A BE500210 A BE 500210A
Authority
BE
Belgium
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 BE500210A publication Critical patent/BE500210A/xx

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
    • E21B19/084Apparatus 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 flexible drawing means, e.g. cables

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)
BE500210D 1950-01-02 BE500210A (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1029446X 1950-01-02

Publications (1)

Publication Number Publication Date
BE500210A true BE500210A (ru)

Family

ID=7715434

Family Applications (1)

Application Number Title Priority Date Filing Date
BE500210D BE500210A (ru) 1950-01-02

Country Status (2)

Country Link
BE (1) BE500210A (ru)
FR (1) FR1029446A (ru)

Also Published As

Publication number Publication date
FR1029446A (fr) 1953-06-02

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