NL6604769A - - Google Patents

Info

Publication number
NL6604769A
NL6604769A NL6604769A NL6604769A NL6604769A NL 6604769 A NL6604769 A NL 6604769A NL 6604769 A NL6604769 A NL 6604769A NL 6604769 A NL6604769 A NL 6604769A NL 6604769 A NL6604769 A NL 6604769A
Authority
NL
Netherlands
Application number
NL6604769A
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
Priority claimed from PL108323A external-priority patent/PL50700B1/pl
Application filed filed Critical
Publication of NL6604769A publication Critical patent/NL6604769A/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • E21B7/30—Enlarging drilled holes, e.g. by counterboring without earth removal

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
NL6604769A 1965-04-08 1966-04-07 NL6604769A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL108323A PL50700B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-04-08

Publications (1)

Publication Number Publication Date
NL6604769A true NL6604769A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-10-10

Family

ID=19945626

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6604769A NL6604769A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1965-04-08 1966-04-07

Country Status (2)

Country Link
BE (1) BE679281A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6604769A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
BE679281A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-09-16

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