BE367507A - - Google Patents

Info

Publication number
BE367507A
BE367507A BE367507DA BE367507A BE 367507 A BE367507 A BE 367507A BE 367507D A BE367507D A BE 367507DA BE 367507 A BE367507 A BE 367507A
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 BE367507A publication Critical patent/BE367507A/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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • E21B44/08—Automatic control of the tool feed in response to the amplitude of the movement of the percussion tool, e.g. jump or recoil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Percussive Tools And Related Accessories (AREA)
BE367507D 1929-11-12 BE367507A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR578303X 1929-11-12

Publications (1)

Publication Number Publication Date
BE367507A true BE367507A (enrdf_load_stackoverflow)

Family

ID=8955310

Family Applications (1)

Application Number Title Priority Date Filing Date
BE367507D BE367507A (enrdf_load_stackoverflow) 1929-11-12

Country Status (3)

Country Link
BE (1) BE367507A (enrdf_load_stackoverflow)
DE (1) DE578303C (enrdf_load_stackoverflow)
FR (1) FR700868A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE578303C (de) 1933-06-14
FR700868A (fr) 1931-03-09

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