BE513075A - - Google Patents

Info

Publication number
BE513075A
BE513075A BE513075DA BE513075A BE 513075 A BE513075 A BE 513075A BE 513075D A BE513075D A BE 513075DA BE 513075 A BE513075 A BE 513075A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Publication of BE513075A publication Critical patent/BE513075A/xx

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)
BE513075D 1951-07-24 BE513075A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1060436X 1951-07-24

Publications (1)

Publication Number Publication Date
BE513075A true BE513075A (xx)

Family

ID=7718472

Family Applications (1)

Application Number Title Priority Date Filing Date
BE513075D BE513075A (xx) 1951-07-24

Country Status (2)

Country Link
BE (1) BE513075A (xx)
FR (1) FR1060436A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010925B (de) * 1954-04-08 1957-06-27 Winter & Sohn Ernst Gesteinsbohrmaschine fuer UEber- und Untertagearbeiten

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978043A (en) * 1954-12-06 1961-04-04 Joy Mfg Co Rotary rock drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010925B (de) * 1954-04-08 1957-06-27 Winter & Sohn Ernst Gesteinsbohrmaschine fuer UEber- und Untertagearbeiten

Also Published As

Publication number Publication date
FR1060436A (fr) 1954-04-01

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