BE341137A - - Google Patents

Info

Publication number
BE341137A
BE341137A BE341137DA BE341137A BE 341137 A BE341137 A BE 341137A BE 341137D A BE341137D A BE 341137DA BE 341137 A BE341137 A BE 341137A
Authority
BE
Belgium
Prior art keywords
cylinder
posterior
valve block
perforator
valve
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE341137A publication Critical patent/BE341137A/fr

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
    • E21B1/00Percussion drilling
    • E21B1/12Percussion drilling with a reciprocating impulse member
    • E21B1/24Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/30Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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)
  • Details Of Reciprocating Pumps (AREA)
BE341137D BE341137A (forum.php)

Publications (1)

Publication Number Publication Date
BE341137A true BE341137A (forum.php)

Family

ID=17808

Family Applications (1)

Application Number Title Priority Date Filing Date
BE341137D BE341137A (forum.php)

Country Status (1)

Country Link
BE (1) BE341137A (forum.php)

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