BE516182A - - Google Patents

Info

Publication number
BE516182A
BE516182A BE516182DA BE516182A BE 516182 A BE516182 A BE 516182A BE 516182D A BE516182D A BE 516182DA BE 516182 A BE516182 A BE 516182A
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 BE516182A publication Critical patent/BE516182A/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
    • E21B19/086Apparatus 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)
BE516182D 1951-12-13 BE516182A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1067635X 1951-12-13

Publications (1)

Publication Number Publication Date
BE516182A true BE516182A (da)

Family

ID=7719324

Family Applications (1)

Application Number Title Priority Date Filing Date
BE516182D BE516182A (da) 1951-12-13

Country Status (2)

Country Link
BE (1) BE516182A (da)
FR (1) FR1067635A (da)

Also Published As

Publication number Publication date
FR1067635A (fr) 1954-06-17

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