FR702191A - Perfectionnements aux perforatrices - Google Patents

Perfectionnements aux perforatrices

Info

Publication number
FR702191A
FR702191A FR702191DA FR702191A FR 702191 A FR702191 A FR 702191A FR 702191D A FR702191D A FR 702191DA FR 702191 A FR702191 A FR 702191A
Authority
FR
France
Prior art keywords
perforation
perforation 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)
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.)
AUGER AND BORING MACHINERY COM
Original Assignee
AUGER AND BORING MACHINERY COM
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 AUGER AND BORING MACHINERY COM filed Critical AUGER AND BORING MACHINERY COM
Application granted granted Critical
Publication of FR702191A publication Critical patent/FR702191A/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
    • 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)
FR702191D 1930-08-28 1930-08-28 Perfectionnements aux perforatrices Expired FR702191A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR702191T 1930-08-28

Publications (1)

Publication Number Publication Date
FR702191A true FR702191A (fr) 1931-03-31

Family

ID=9057188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702191D Expired FR702191A (fr) 1930-08-28 1930-08-28 Perfectionnements aux perforatrices

Country Status (1)

Country Link
FR (1) FR702191A (fr)

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