NL6917323A - - Google Patents

Info

Publication number
NL6917323A
NL6917323A NL6917323A NL6917323A NL6917323A NL 6917323 A NL6917323 A NL 6917323A NL 6917323 A NL6917323 A NL 6917323A NL 6917323 A NL6917323 A NL 6917323A NL 6917323 A NL6917323 A NL 6917323A
Authority
NL
Netherlands
Application number
NL6917323A
Other versions
NL142472B (nl
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 NL696917323A priority Critical patent/NL142472B/nl
Publication of NL6917323A publication Critical patent/NL6917323A/xx
Publication of NL142472B publication Critical patent/NL142472B/nl

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
    • E21B19/09—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 specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
    • 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
    • E21B7/128—Underwater drilling from floating support with independent underwater anchored guide base

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
NL696917323A 1969-11-18 1969-11-18 Deiningscompensatie-inrichting. NL142472B (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL696917323A NL142472B (nl) 1969-11-18 1969-11-18 Deiningscompensatie-inrichting.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL696917323A NL142472B (nl) 1969-11-18 1969-11-18 Deiningscompensatie-inrichting.

Publications (2)

Publication Number Publication Date
NL6917323A true NL6917323A (nl) 1971-05-21
NL142472B NL142472B (nl) 1974-06-17

Family

ID=19808414

Family Applications (1)

Application Number Title Priority Date Filing Date
NL696917323A NL142472B (nl) 1969-11-18 1969-11-18 Deiningscompensatie-inrichting.

Country Status (1)

Country Link
NL (1) NL142472B (nl)

Also Published As

Publication number Publication date
NL142472B (nl) 1974-06-17

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HOLLAND