DE163031C - - Google Patents

Info

Publication number
DE163031C
DE163031C DENDAT163031D DE163031DA DE163031C DE 163031 C DE163031 C DE 163031C DE NDAT163031 D DENDAT163031 D DE NDAT163031D DE 163031D A DE163031D A DE 163031DA DE 163031 C DE163031 C DE 163031C
Authority
DE
Germany
Prior art keywords
drilling
rod
armed
drive
drill
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
DENDAT163031D
Other languages
German (de)
English (en)
Publication of DE163031C publication Critical patent/DE163031C/de
Active legal-status Critical Current

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

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)
  • Earth Drilling (AREA)
DENDAT163031D Active DE163031C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE163031C true DE163031C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=428765

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT163031D Active DE163031C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE163031C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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