NL7013444A - - Google Patents

Info

Publication number
NL7013444A
NL7013444A NL7013444A NL7013444A NL7013444A NL 7013444 A NL7013444 A NL 7013444A NL 7013444 A NL7013444 A NL 7013444A NL 7013444 A NL7013444 A NL 7013444A NL 7013444 A NL7013444 A NL 7013444A
Authority
NL
Netherlands
Application number
NL7013444A
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 FR6931009A external-priority patent/FR2058512A5/fr
Priority claimed from FR7002958A external-priority patent/FR2076783A6/fr
Application filed filed Critical
Publication of NL7013444A publication Critical patent/NL7013444A/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
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling
    • E21B3/025Surface drives for rotary drilling with a to-and-fro rotation of the tool

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)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
NL7013444A 1969-09-11 1970-09-10 NL7013444A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR6931009A FR2058512A5 (de) 1969-09-11 1969-09-11
FR7002958A FR2076783A6 (de) 1970-01-28 1970-01-28

Publications (1)

Publication Number Publication Date
NL7013444A true NL7013444A (de) 1971-03-15

Family

ID=26215262

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7013444A NL7013444A (de) 1969-09-11 1970-09-10

Country Status (8)

Country Link
US (1) US3666026A (de)
BE (1) BE755680A (de)
CH (1) CH519634A (de)
DE (1) DE2041911C3 (de)
GB (1) GB1293438A (de)
LU (1) LU61665A1 (de)
NL (1) NL7013444A (de)
SU (1) SU504510A3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891037A (en) * 1972-12-26 1975-06-24 Dale E Well Remotely operated seafloor coring and drilling method and system
US4057887A (en) * 1974-05-06 1977-11-15 Cameron Iron Works, Inc. Pipe disconnecting apparatus
US4077481A (en) * 1976-07-12 1978-03-07 Fmc Corporation Subterranean mining apparatus
IT1190999B (it) * 1982-09-13 1988-02-24 Else Edilizia Lavori Sottosuol Procedimento atto a migliorare l'esecuzione di perforazioni mediante l'inserimento di utensili nel terreno e relativa apparecchiatura

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US530547A (en) * 1894-12-11 Chain pipe-wrench
US2706423A (en) * 1950-05-22 1955-04-19 Clarence W Rose Tool holder
US3023649A (en) * 1960-08-08 1962-03-06 Lawrence A Wallace Tool holder
US3467203A (en) * 1967-06-29 1969-09-16 Alf R Johnson Apparatus for sinking casings in the construction of caissons

Also Published As

Publication number Publication date
CH519634A (fr) 1972-02-29
GB1293438A (en) 1972-10-18
BE755680A (fr) 1971-02-15
DE2041911C3 (de) 1974-01-17
SU504510A3 (ru) 1976-02-25
DE2041911B2 (de) 1973-06-20
DE2041911A1 (de) 1971-03-25
LU61665A1 (de) 1970-12-08
US3666026A (en) 1972-05-30

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