DE176035C - - Google Patents

Info

Publication number
DE176035C
DE176035C DENDAT176035D DE176035DA DE176035C DE 176035 C DE176035 C DE 176035C DE NDAT176035 D DENDAT176035 D DE NDAT176035D DE 176035D A DE176035D A DE 176035DA DE 176035 C DE176035 C DE 176035C
Authority
DE
Germany
Prior art keywords
drilling
drill
rig
upward
rope
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
DENDAT176035D
Other languages
German (de)
English (en)
Publication of DE176035C publication Critical patent/DE176035C/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
    • E21B6/00Drives for drilling with combined rotary and percussive action
    • E21B6/02Drives for drilling with combined rotary and percussive action the rotation being continuous
    • E21B6/04Separate drives for percussion and rotation

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)
DENDAT176035D Active DE176035C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE176035C true DE176035C (enrdf_load_html_response)

Family

ID=440626

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT176035D Active DE176035C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE176035C (enrdf_load_html_response)

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