FR1200238A - Procédé de perforation des roches - Google Patents

Procédé de perforation des roches

Info

Publication number
FR1200238A
FR1200238A FR1200238DA FR1200238A FR 1200238 A FR1200238 A FR 1200238A FR 1200238D A FR1200238D A FR 1200238DA FR 1200238 A FR1200238 A FR 1200238A
Authority
FR
France
Prior art keywords
perforation process
rock perforation
rock
perforation
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.)
Expired
Application number
Other languages
English (en)
Inventor
Sten Engwall
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 filed Critical
Application granted granted Critical
Publication of FR1200238A publication Critical patent/FR1200238A/fr
Expired 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (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)
  • Mechanical Engineering (AREA)
FR1200238D 1957-03-05 1958-03-05 Procédé de perforation des roches Expired FR1200238A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1200238X 1957-03-05

Publications (1)

Publication Number Publication Date
FR1200238A true FR1200238A (fr) 1959-12-18

Family

ID=20421888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1200238D Expired FR1200238A (fr) 1957-03-05 1958-03-05 Procédé de perforation des roches

Country Status (1)

Country Link
FR (1) FR1200238A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2201374A1 (fr) * 1972-10-02 1974-04-26 Boehler & Co Ag Geb

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2201374A1 (fr) * 1972-10-02 1974-04-26 Boehler & Co Ag Geb

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