BE556431A - - Google Patents

Info

Publication number
BE556431A
BE556431A BE556431DA BE556431A BE 556431 A BE556431 A BE 556431A BE 556431D A BE556431D A BE 556431DA BE 556431 A BE556431 A BE 556431A
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 date
Publication of BE556431A publication Critical patent/BE556431A/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/062—Deflecting the direction of boreholes the tool shaft rotating inside a non-rotating guide travelling with the shaft
    • 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
    • E21B10/00—Drill bits
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • 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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
BE556431D 1956-02-18 BE556431A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED22341A DE1161524B (de) 1956-02-18 1956-02-18 Verfahren und Vorrichtung zur Herstellung von Bohrschaechten und aehnlichen Bohrungen

Publications (1)

Publication Number Publication Date
BE556431A true BE556431A (xx) 1957-04-30

Family

ID=7037419

Family Applications (1)

Application Number Title Priority Date Filing Date
BE556431D BE556431A (xx) 1956-02-18

Country Status (2)

Country Link
BE (1) BE556431A (xx)
DE (1) DE1161524B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205954A (en) * 1963-06-05 1965-09-14 Socony Mobil Oil Co Inc Method for drilling a borehole
FR2357723A1 (fr) * 1976-07-05 1978-02-03 Inst Gornorudnogo Mashinostr Elargisseur de puits

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2946873C2 (de) * 1979-11-21 1983-09-29 Alfons 6000 Frankfurt Eul Drehangetriebenes Erdbohrgerät
DE3103336C2 (de) * 1981-01-31 1982-12-02 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz Verfahren und Vorrichtung zum Niederbringen von Richtbohrungen
JP3241235B2 (ja) * 1995-05-01 2001-12-25 株式会社ヒメノ 孔掘削工法及び孔掘削装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR508626A (fr) * 1919-11-17 1920-10-19 Jean Antoine Romeuf Cloche de forage
US1941723A (en) * 1931-04-29 1934-01-02 Voet E Stroud Straight hole drilling device
CH308841A (de) * 1951-03-29 1955-08-15 Wohlmeyer Josef Verfahren und Maschine zum Bohren von Stollen, Tunnels, Kanälen, Schächten und dergleichen.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205954A (en) * 1963-06-05 1965-09-14 Socony Mobil Oil Co Inc Method for drilling a borehole
FR2357723A1 (fr) * 1976-07-05 1978-02-03 Inst Gornorudnogo Mashinostr Elargisseur de puits

Also Published As

Publication number Publication date
DE1161524B (de) 1964-01-23

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