IT966461B - Perfezionamento nei dispositivi di regolazione della forza di avan zamento in impianti di trivella zione o perforazione di roccia - Google Patents

Perfezionamento nei dispositivi di regolazione della forza di avan zamento in impianti di trivella zione o perforazione di roccia

Info

Publication number
IT966461B
IT966461B IT53538/72A IT5353872A IT966461B IT 966461 B IT966461 B IT 966461B IT 53538/72 A IT53538/72 A IT 53538/72A IT 5353872 A IT5353872 A IT 5353872A IT 966461 B IT966461 B IT 966461B
Authority
IT
Italy
Prior art keywords
drilling
improvement
adjustment
devices
plants
Prior art date
Application number
IT53538/72A
Other languages
English (en)
Italian (it)
Original Assignee
Atlas Copco Ab
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.)
Filing date
Publication date
Application filed by Atlas Copco Ab filed Critical Atlas Copco Ab
Application granted granted Critical
Publication of IT966461B publication Critical patent/IT966461B/it

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
    • E21B44/06—Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
    • 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
    • E21B6/00—Drives for drilling with combined rotary and percussive action

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)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Fluid-Pressure Circuits (AREA)
IT53538/72A 1971-11-05 1972-10-23 Perfezionamento nei dispositivi di regolazione della forza di avan zamento in impianti di trivella zione o perforazione di roccia IT966461B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE14179/71A SE367858B (fr) 1971-11-05 1971-11-05

Publications (1)

Publication Number Publication Date
IT966461B true IT966461B (it) 1974-02-11

Family

ID=20298663

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53538/72A IT966461B (it) 1971-11-05 1972-10-23 Perfezionamento nei dispositivi di regolazione della forza di avan zamento in impianti di trivella zione o perforazione di roccia

Country Status (12)

Country Link
JP (1) JPS5143442B2 (fr)
AT (1) AT318520B (fr)
CH (1) CH552743A (fr)
DE (1) DE2252458C3 (fr)
FI (1) FI55245C (fr)
FR (1) FR2158307B1 (fr)
GB (1) GB1380097A (fr)
IT (1) IT966461B (fr)
NO (1) NO132845C (fr)
PL (1) PL78634B1 (fr)
SE (1) SE367858B (fr)
ZA (1) ZA727612B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI56722C (fi) * 1975-07-24 1980-03-10 Tampella Oy Ab Hydraulisk borrmaskin speciellt bergborrmaskin
FI56723C (fi) * 1978-05-11 1980-03-10 Tampella Oy Ab Styrningssystem foer borrmaskin
FR2714419B1 (fr) * 1993-12-29 1996-03-22 Segelm Sa Apageo Dispositif de forage géotechnique, du type à tête de forage coulissant sur mât, par rotation et par roto-percussion, à deux arbres d'entraînement parallèles.
FI943695A (fi) * 1994-08-10 1996-02-11 Valto Ilomaeki Menetelmä poralaitteen säätämiseksi

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1043531A (en) * 1961-07-01 1966-09-21 Hobhouse Henry Variable speed drilling apparatus

Also Published As

Publication number Publication date
FI55245C (fi) 1979-06-11
ZA727612B (en) 1973-07-25
DE2252458C3 (de) 1974-04-25
DE2252458A1 (de) 1973-05-10
CH552743A (de) 1974-08-15
NO132845B (fr) 1975-10-06
PL78634B1 (en) 1975-06-30
GB1380097A (en) 1975-01-08
JPS5143442B2 (fr) 1976-11-22
DE2252458B2 (de) 1973-09-27
FR2158307A1 (fr) 1973-06-15
AT318520B (de) 1974-10-25
SE367858B (fr) 1974-06-10
NO132845C (fr) 1976-01-14
FI55245B (fi) 1979-02-28
JPS4856503A (fr) 1973-08-08
FR2158307B1 (fr) 1976-05-21

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