FR1338995A - Improved drilling method and apparatus - Google Patents

Improved drilling method and apparatus

Info

Publication number
FR1338995A
FR1338995A FR907731A FR907731A FR1338995A FR 1338995 A FR1338995 A FR 1338995A FR 907731 A FR907731 A FR 907731A FR 907731 A FR907731 A FR 907731A FR 1338995 A FR1338995 A FR 1338995A
Authority
FR
France
Prior art keywords
drilling method
improved drilling
improved
drilling
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
FR907731A
Other languages
French (fr)
Inventor
G Schneebeli
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.)
LES TRAVAUX SOUTERRAINS
Original Assignee
LES TRAVAUX SOUTERRAINS
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 LES TRAVAUX SOUTERRAINS filed Critical LES TRAVAUX SOUTERRAINS
Priority to FR907731A priority Critical patent/FR1338995A/en
Application granted granted Critical
Publication of FR1338995A publication Critical patent/FR1338995A/en
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
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • 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
    • E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams

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)
FR907731A 1962-08-24 1962-08-24 Improved drilling method and apparatus Expired FR1338995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR907731A FR1338995A (en) 1962-08-24 1962-08-24 Improved drilling method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR907731A FR1338995A (en) 1962-08-24 1962-08-24 Improved drilling method and apparatus

Publications (1)

Publication Number Publication Date
FR1338995A true FR1338995A (en) 1963-10-04

Family

ID=8785698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907731A Expired FR1338995A (en) 1962-08-24 1962-08-24 Improved drilling method and apparatus

Country Status (1)

Country Link
FR (1) FR1338995A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3682258A (en) * 1970-06-22 1972-08-08 Hughes Tool Co Rotary-percussion gang drill with circumferentially floating offset bits
US4071100A (en) * 1975-05-29 1978-01-31 Wibom Gustaf H O Method of making holes of selected external configuration in preferably rock or ground formation, and a drilling machine for carrying out the method
DE2758385A1 (en) * 1977-12-28 1979-08-16 Klemm Bohrtech Hammer boring arrangement for large diameter holes - has support ring for hammers in circle with one eccentrically arranged hammer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3682258A (en) * 1970-06-22 1972-08-08 Hughes Tool Co Rotary-percussion gang drill with circumferentially floating offset bits
US4071100A (en) * 1975-05-29 1978-01-31 Wibom Gustaf H O Method of making holes of selected external configuration in preferably rock or ground formation, and a drilling machine for carrying out the method
DE2758385A1 (en) * 1977-12-28 1979-08-16 Klemm Bohrtech Hammer boring arrangement for large diameter holes - has support ring for hammers in circle with one eccentrically arranged hammer

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