BE652091A - - Google Patents

Info

Publication number
BE652091A
BE652091A BE652091DA BE652091A BE 652091 A BE652091 A BE 652091A BE 652091D A BE652091D A BE 652091DA BE 652091 A BE652091 A BE 652091A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE652091A publication Critical patent/BE652091A/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
    • E21B19/087Apparatus 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 by means of a swinging arm

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Fats And Perfumes (AREA)
BE652091D 1963-09-02 1964-08-20 BE652091A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR946310A FR1375864A (fr) 1963-09-02 1963-09-02 Perfectionnement aux marteaux perforateurs

Publications (1)

Publication Number Publication Date
BE652091A true BE652091A (fr) 1964-12-16

Family

ID=8811566

Family Applications (1)

Application Number Title Priority Date Filing Date
BE652091D BE652091A (fr) 1963-09-02 1964-08-20

Country Status (9)

Country Link
BE (1) BE652091A (fr)
CH (1) CH408839A (fr)
DE (1) DE1985307U (fr)
ES (1) ES303583A1 (fr)
FR (1) FR1375864A (fr)
GB (1) GB1016760A (fr)
LU (1) LU46824A1 (fr)
NL (1) NL6409998A (fr)
OA (1) OA01333A (fr)

Also Published As

Publication number Publication date
OA01333A (fr) 1969-02-15
DE1985307U (de) 1968-05-16
LU46824A1 (fr) 1964-10-24
ES303583A1 (es) 1965-12-16
GB1016760A (en) 1966-01-12
CH408839A (fr) 1966-03-15
NL6409998A (fr) 1965-03-03
FR1375864A (fr) 1964-10-23

Similar Documents

Publication Publication Date Title
AR142945A1 (fr)
AT260747B (fr)
BE627012A (fr)
BE603935A (fr)
BE627151A (fr)
BE623220A (fr)
BE625880A (fr)
BE31062A (fr)
BE462764A (fr)
BE465565A (fr)
BE507458A (fr)
BE644995A (fr)
BE533484A (fr)
BE644143A (fr)
BE652091A (fr)
BE623315A (fr)
BE547422A (fr)
BE571209A (fr)
BE582314A (fr)
BE643977A (fr)
BE643863A (fr)
BE643777A (fr)
BE643713A (fr)
BE623490A (fr)
BE608372A (fr)