FR62749E - Outil de forage - Google Patents

Outil de forage

Info

Publication number
FR62749E
FR62749E FR62749DA FR62749E FR 62749 E FR62749 E FR 62749E FR 62749D A FR62749D A FR 62749DA FR 62749 E FR62749 E FR 62749E
Authority
FR
France
Prior art keywords
drilling tool
drilling
tool
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
Charles Gruere
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 FR62749E publication Critical patent/FR62749E/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • 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
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts

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)
FR62749D 1952-04-18 1952-04-18 Outil de forage Expired FR62749E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR62749T 1952-04-18

Publications (1)

Publication Number Publication Date
FR62749E true FR62749E (fr) 1955-06-20

Family

ID=8696113

Family Applications (1)

Application Number Title Priority Date Filing Date
FR62749D Expired FR62749E (fr) 1952-04-18 1952-04-18 Outil de forage

Country Status (1)

Country Link
FR (1) FR62749E (fr)

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