FR2158307A1 - - Google Patents

Info

Publication number
FR2158307A1
FR2158307A1 FR7238164A FR7238164A FR2158307A1 FR 2158307 A1 FR2158307 A1 FR 2158307A1 FR 7238164 A FR7238164 A FR 7238164A FR 7238164 A FR7238164 A FR 7238164A FR 2158307 A1 FR2158307 A1 FR 2158307A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7238164A
Other languages
French (fr)
Other versions
FR2158307B1 (fi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atlas Copco AB
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
Publication of FR2158307A1 publication Critical patent/FR2158307A1/fr
Application granted granted Critical
Publication of FR2158307B1 publication Critical patent/FR2158307B1/fr
Expired legal-status Critical Current

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
    • E21B44/00Automatic 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
    • E21B44/02Automatic control of the tool feed
    • E21B44/06Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
    • 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
    • E21B6/00Drives 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)
FR7238164A 1971-11-05 1972-10-27 Expired FR2158307B1 (fi)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2158307A1 true FR2158307A1 (fi) 1973-06-15
FR2158307B1 FR2158307B1 (fi) 1976-05-21

Family

ID=20298663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7238164A Expired FR2158307B1 (fi) 1971-11-05 1972-10-27

Country Status (12)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425534A1 (fr) * 1978-05-11 1979-12-07 Tampella Oy Ab Systeme de commande d'un dispositif de forage de roche
FR2714419A1 (fr) * 1993-12-29 1995-06-30 Apageo Segelm Sa 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.

Families Citing this family (2)

* 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
FI943695A (fi) * 1994-08-10 1996-02-11 Valto Ilomaeki Menetelmä poralaitteen säätämiseksi

Citations (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

Patent Citations (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425534A1 (fr) * 1978-05-11 1979-12-07 Tampella Oy Ab Systeme de commande d'un dispositif de forage de roche
FR2714419A1 (fr) * 1993-12-29 1995-06-30 Apageo Segelm Sa 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.

Also Published As

Publication number Publication date
PL78634B1 (en) 1975-06-30
JPS4856503A (fi) 1973-08-08
JPS5143442B2 (fi) 1976-11-22
SE367858B (fi) 1974-06-10
NO132845B (fi) 1975-10-06
NO132845C (fi) 1976-01-14
FI55245B (fi) 1979-02-28
DE2252458B2 (de) 1973-09-27
GB1380097A (en) 1975-01-08
CH552743A (de) 1974-08-15
ZA727612B (en) 1973-07-25
FI55245C (fi) 1979-06-11
DE2252458C3 (de) 1974-04-25
DE2252458A1 (de) 1973-05-10
FR2158307B1 (fi) 1976-05-21
AT318520B (de) 1974-10-25
IT966461B (it) 1974-02-11

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Legal Events

Date Code Title Description
ST Notification of lapse