FR2442952A1 - Appareil de forage a percussion - Google Patents

Appareil de forage a percussion

Info

Publication number
FR2442952A1
FR2442952A1 FR7819245A FR7819245A FR2442952A1 FR 2442952 A1 FR2442952 A1 FR 2442952A1 FR 7819245 A FR7819245 A FR 7819245A FR 7819245 A FR7819245 A FR 7819245A FR 2442952 A1 FR2442952 A1 FR 2442952A1
Authority
FR
France
Prior art keywords
drilling head
rotary joint
tubular body
drilling
housing
Prior art date
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.)
Pending
Application number
FR7819245A
Other languages
English (en)
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.)
LAFITTE GILBERT
Original Assignee
LAFITTE GILBERT
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 LAFITTE GILBERT filed Critical LAFITTE GILBERT
Priority to FR7819245A priority Critical patent/FR2442952A1/fr
Publication of FR2442952A1 publication Critical patent/FR2442952A1/fr
Pending legal-status Critical Current

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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/20—Drives for drilling, used in the borehole combined with surface 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

Appareil de forage à percussion comportant notamment : - un corps tubulaire sur lequel coulisse un porte-taillant; - un marteau dit << fond de trou >>; - un dispositif d'évacuation des poussières activé par les échappements d'air; - une liaison corps, porte-taillant telle que les réactions dues au marteau soient reprises pour participer au travail de forage.
FR7819245A 1978-06-23 1978-06-23 Appareil de forage a percussion Pending FR2442952A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7819245A FR2442952A1 (fr) 1978-06-23 1978-06-23 Appareil de forage a percussion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7819245A FR2442952A1 (fr) 1978-06-23 1978-06-23 Appareil de forage a percussion

Publications (1)

Publication Number Publication Date
FR2442952A1 true FR2442952A1 (fr) 1980-06-27

Family

ID=9210064

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819245A Pending FR2442952A1 (fr) 1978-06-23 1978-06-23 Appareil de forage a percussion

Country Status (1)

Country Link
FR (1) FR2442952A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109367A1 (de) * 1981-03-12 1982-10-14 Hydroc Gesteinsbohrtechnik GmbH, 5960 Olpe Bohrschlagwerkzeug

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1561975A (en) * 1924-03-21 1925-11-17 Frank F Hayes Mining drill
FR1309265A (fr) * 1961-09-19 1962-11-16 Mission Mfg Co Perfectionnements aux perforatrices à percussion
DE1298066B (de) * 1967-06-07 1969-06-26 Boehler & Co Ag Geb Vorrichtung zum UEberlagerungsbohren
FR2002817A1 (fr) * 1968-02-28 1969-10-31 Boehler & Co Ag Geb
US3941196A (en) * 1973-08-29 1976-03-02 Bakerdrill, Inc. Percussive air hammer and core bit apparatus
FR2305580A1 (fr) * 1975-03-22 1976-10-22 Walter Gmbh Co Drucklufttechni Marteau foreur pour le percage de trous profonds

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1561975A (en) * 1924-03-21 1925-11-17 Frank F Hayes Mining drill
FR1309265A (fr) * 1961-09-19 1962-11-16 Mission Mfg Co Perfectionnements aux perforatrices à percussion
DE1298066B (de) * 1967-06-07 1969-06-26 Boehler & Co Ag Geb Vorrichtung zum UEberlagerungsbohren
FR2002817A1 (fr) * 1968-02-28 1969-10-31 Boehler & Co Ag Geb
US3941196A (en) * 1973-08-29 1976-03-02 Bakerdrill, Inc. Percussive air hammer and core bit apparatus
FR2305580A1 (fr) * 1975-03-22 1976-10-22 Walter Gmbh Co Drucklufttechni Marteau foreur pour le percage de trous profonds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109367A1 (de) * 1981-03-12 1982-10-14 Hydroc Gesteinsbohrtechnik GmbH, 5960 Olpe Bohrschlagwerkzeug

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