FR69825E - Device for drilling holes especially in the ground - Google Patents

Device for drilling holes especially in the ground

Info

Publication number
FR69825E
FR69825E FR69825DA FR69825E FR 69825 E FR69825 E FR 69825E FR 69825D A FR69825D A FR 69825DA FR 69825 E FR69825 E FR 69825E
Authority
FR
France
Prior art keywords
ground
drilling holes
holes especially
drilling
holes
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
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR69825E publication Critical patent/FR69825E/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/007—Drilling by use of explosives
    • 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
    • E21B7/14—Drilling by use of heat, e.g. flame drilling

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)
FR69825D 1956-05-23 1956-05-23 Device for drilling holes especially in the ground Expired FR69825E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR69825T 1956-05-23

Publications (1)

Publication Number Publication Date
FR69825E true FR69825E (en) 1958-12-30

Family

ID=8701611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR69825D Expired FR69825E (en) 1956-05-23 1956-05-23 Device for drilling holes especially in the ground

Country Status (1)

Country Link
FR (1) FR69825E (en)

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