NL6717829A - - Google Patents

Info

Publication number
NL6717829A
NL6717829A NL6717829A NL6717829A NL6717829A NL 6717829 A NL6717829 A NL 6717829A NL 6717829 A NL6717829 A NL 6717829A NL 6717829 A NL6717829 A NL 6717829A NL 6717829 A NL6717829 A NL 6717829A
Authority
NL
Netherlands
Application number
NL6717829A
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 NL6717829A priority Critical patent/NL6717829A/xx
Priority to GB6140768A priority patent/GB1244382A/en
Publication of NL6717829A publication Critical patent/NL6717829A/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
    • E21B7/12—Underwater drilling
    • E21B7/124—Underwater drilling with underwater tool drive prime mover, e.g. portable drilling rigs for use on underwater floors
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/18—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being specially adapted for operation under water

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)
NL6717829A 1967-12-29 1967-12-29 NL6717829A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL6717829A NL6717829A (fr) 1967-12-29 1967-12-29
GB6140768A GB1244382A (en) 1967-12-29 1968-12-24 Device for taking soil samples

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6717829A NL6717829A (fr) 1967-12-29 1967-12-29

Publications (1)

Publication Number Publication Date
NL6717829A true NL6717829A (fr) 1969-07-01

Family

ID=19802127

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6717829A NL6717829A (fr) 1967-12-29 1967-12-29

Country Status (1)

Country Link
NL (1) NL6717829A (fr)

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