DE233512C - - Google Patents

Info

Publication number
DE233512C
DE233512C DENDAT233512D DE233512DA DE233512C DE 233512 C DE233512 C DE 233512C DE NDAT233512 D DENDAT233512 D DE NDAT233512D DE 233512D A DE233512D A DE 233512DA DE 233512 C DE233512 C DE 233512C
Authority
DE
Germany
Prior art keywords
spindle
drill
clutch
rock
feed
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
DENDAT233512D
Other languages
German (de)
English (en)
Publication of DE233512C publication Critical patent/DE233512C/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081—Screw-and-nut feed mechanisms

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)
DENDAT233512D Active DE233512C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE233512C true DE233512C (enrdf_load_stackoverflow)

Family

ID=493446

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT233512D Active DE233512C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE233512C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4421183A (en) * 1981-04-01 1983-12-20 Collins Jr Earl R Flexible drive apparatus for boring lateral bore holes from well

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4421183A (en) * 1981-04-01 1983-12-20 Collins Jr Earl R Flexible drive apparatus for boring lateral bore holes from well

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