NL26951C - - Google Patents

Info

Publication number
NL26951C
NL26951C NL26951DA NL26951C NL 26951 C NL26951 C NL 26951C NL 26951D A NL26951D A NL 26951DA NL 26951 C NL26951 C NL 26951C
Authority
NL
Netherlands
Application number
Publication date
Application granted granted Critical
Publication of NL26951C publication Critical patent/NL26951C/xx

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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
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/18Drilling by liquid or gas jets, with or without entrained pellets
    • 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
    • E21B10/00Drill bits
    • E21B10/60Drill bits characterised by conduits or nozzles for drilling fluids

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)
NL26951D NL26951C (de)

Publications (1)

Publication Number Publication Date
NL26951C true NL26951C (de) 1900-01-01

Family

ID=1792307

Family Applications (1)

Application Number Title Priority Date Filing Date
NL26951D NL26951C (de)

Country Status (1)

Country Link
NL (1) NL26951C (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440464A1 (fr) * 1978-10-30 1980-05-30 Perot Georges Dispositif de forage du sol sur de courtes distances
EP0905347A3 (de) * 1997-09-30 2000-12-06 The Charles Machine Works Inc Vorrichtung und Verfahren zum Erweitern von Bohrlöchern

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440464A1 (fr) * 1978-10-30 1980-05-30 Perot Georges Dispositif de forage du sol sur de courtes distances
EP0905347A3 (de) * 1997-09-30 2000-12-06 The Charles Machine Works Inc Vorrichtung und Verfahren zum Erweitern von Bohrlöchern

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