FR863147A - Perfectionnements aux tarières - Google Patents

Perfectionnements aux tarières

Info

Publication number
FR863147A
FR863147A FR863147DA FR863147A FR 863147 A FR863147 A FR 863147A FR 863147D A FR863147D A FR 863147DA FR 863147 A FR863147 A FR 863147A
Authority
FR
France
Prior art keywords
auger
auger improvements
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
Meurisse
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 FR863147A publication Critical patent/FR863147A/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
    • E21B7/003—Drilling with mechanical conveying means
    • E21B7/005—Drilling with mechanical conveying means with helical conveying means

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)
FR863147D 1940-01-30 1940-01-30 Perfectionnements aux tarières Expired FR863147A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863147T 1940-01-30

Publications (1)

Publication Number Publication Date
FR863147A true FR863147A (fr) 1941-03-24

Family

ID=9343109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863147D Expired FR863147A (fr) 1940-01-30 1940-01-30 Perfectionnements aux tarières

Country Status (1)

Country Link
FR (1) FR863147A (fr)

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