BE640620A - - Google Patents

Info

Publication number
BE640620A
BE640620A BE640620A BE640620A BE640620A BE 640620 A BE640620 A BE 640620A BE 640620 A BE640620 A BE 640620A BE 640620 A BE640620 A BE 640620A BE 640620 A BE640620 A BE 640620A
Authority
BE
Belgium
Application number
BE640620A
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.)
Filing date
Publication date
Application filed filed Critical
Priority to BE640620A priority Critical patent/BE640620A/xx
Priority to FR962220A priority patent/FR1381105A/fr
Publication of BE640620A publication Critical patent/BE640620A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus 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
    • E21B19/086—Apparatus 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)
BE640620A 1963-11-29 1963-11-29 BE640620A (el)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE640620A BE640620A (el) 1963-11-29 1963-11-29
FR962220A FR1381105A (fr) 1963-11-29 1964-01-31 Perforatrice pour la foration au rocher

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE640620A BE640620A (el) 1963-11-29 1963-11-29
FR962220A FR1381105A (fr) 1963-11-29 1964-01-31 Perforatrice pour la foration au rocher

Publications (1)

Publication Number Publication Date
BE640620A true BE640620A (el) 1964-03-16

Family

ID=25655592

Family Applications (1)

Application Number Title Priority Date Filing Date
BE640620A BE640620A (el) 1963-11-29 1963-11-29

Country Status (2)

Country Link
BE (1) BE640620A (el)
FR (1) FR1381105A (el)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2253845C2 (de) * 1972-11-03 1982-07-22 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Teleskopierbare Spindel eines Drehantriebs

Also Published As

Publication number Publication date
FR1381105A (fr) 1964-12-04

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