BE489658A - - Google Patents

Info

Publication number
BE489658A
BE489658A BE489658DA BE489658A BE 489658 A BE489658 A BE 489658A BE 489658D A BE489658D A BE 489658DA BE 489658 A BE489658 A BE 489658A
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 BE489658A publication Critical patent/BE489658A/xx

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
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/18Anchoring or feeding in the borehole
    • 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
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/06Down-hole impacting means, e.g. hammers
    • 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
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/06Down-hole impacting means, e.g. hammers
    • E21B4/14Fluid operated hammers

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)
BE489658D 1948-06-17 BE489658A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU988294X 1948-06-17

Publications (1)

Publication Number Publication Date
BE489658A true BE489658A (fr)

Family

ID=10991219

Family Applications (1)

Application Number Title Priority Date Filing Date
BE489658D BE489658A (fr) 1948-06-17

Country Status (2)

Country Link
BE (1) BE489658A (fr)
FR (1) FR988294A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561305B1 (fr) * 1984-03-14 1986-09-12 Blanchard Hydraulique Assainis Appareil d'elimination de protuberances dans des conduites et/ou de forage de tunnels

Also Published As

Publication number Publication date
FR988294A (fr) 1951-08-24

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