DE255851C - - Google Patents

Info

Publication number
DE255851C
DE255851C DENDAT255851D DE255851DA DE255851C DE 255851 C DE255851 C DE 255851C DE NDAT255851 D DENDAT255851 D DE NDAT255851D DE 255851D A DE255851D A DE 255851DA DE 255851 C DE255851 C DE 255851C
Authority
DE
Germany
Prior art keywords
drilling
crosspiece
mines
drill
displaced
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
DENDAT255851D
Other languages
German (de)
English (en)
Publication of DE255851C publication Critical patent/DE255851C/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
    • E21B19/084—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 with flexible drawing means, e.g. cables
    • 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006—Means for anchoring the drilling machine to the ground
    • 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)
  • Drilling And Boring (AREA)
DENDAT255851D Active DE255851C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE255851C true DE255851C (enrdf_load_html_response)

Family

ID=513920

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT255851D Active DE255851C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE255851C (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745117C (de) * 1940-03-08 1944-02-26 Heinr Korfmann Jr Maschinenfab Verfahren und Vorrichtung zur Hereingewinnung von Kohle im Pfeilerbruchbau, namentlich im Braunkohlentiefbau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745117C (de) * 1940-03-08 1944-02-26 Heinr Korfmann Jr Maschinenfab Verfahren und Vorrichtung zur Hereingewinnung von Kohle im Pfeilerbruchbau, namentlich im Braunkohlentiefbau

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