NL82584C - - Google Patents

Info

Publication number
NL82584C
NL82584C NL82584DA NL82584C NL 82584 C NL82584 C NL 82584C NL 82584D A NL82584D A NL 82584DA NL 82584 C NL82584 C NL 82584C
Authority
NL
Netherlands
Application number
Publication date
Application granted granted Critical
Publication of NL82584C publication Critical patent/NL82584C/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole

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)
NL82584D NL82584C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
NL82584C true NL82584C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1900-01-01

Family

ID=1829977

Family Applications (1)

Application Number Title Priority Date Filing Date
NL82584D NL82584C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
NL (1) NL82584C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341032A1 (fr) * 1976-02-10 1977-09-09 Schmidt Paul Dispositif auxiliaire de demarrage d'appareils de forage autopropulses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341032A1 (fr) * 1976-02-10 1977-09-09 Schmidt Paul Dispositif auxiliaire de demarrage d'appareils de forage autopropulses

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