DE109072C - - Google Patents

Info

Publication number
DE109072C
DE109072C DENDAT109072D DE109072DA DE109072C DE 109072 C DE109072 C DE 109072C DE NDAT109072 D DENDAT109072 D DE NDAT109072D DE 109072D A DE109072D A DE 109072DA DE 109072 C DE109072 C DE 109072C
Authority
DE
Germany
Prior art keywords
drill
rod
drilling
steam
supported
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT109072D
Other languages
German (de)
English (en)
Publication of DE109072C publication Critical patent/DE109072C/de
Active legal-status Critical Current

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
    • E21B1/00Percussion drilling
    • E21B1/02Surface drives for drop hammers or percussion drilling, e.g. with a cable
    • E21B1/04Devices for reversing the movement of the rod or cable at the surface

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)
DENDAT109072D Active DE109072C (enExample)

Publications (1)

Publication Number Publication Date
DE109072C true DE109072C (enExample)

Family

ID=379000

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT109072D Active DE109072C (enExample)

Country Status (1)

Country Link
DE (1) DE109072C (enExample)

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