FR1280063A - Trépan à molettes - Google Patents

Trépan à molettes

Info

Publication number
FR1280063A
FR1280063A FR844175A FR844175A FR1280063A FR 1280063 A FR1280063 A FR 1280063A FR 844175 A FR844175 A FR 844175A FR 844175 A FR844175 A FR 844175A FR 1280063 A FR1280063 A FR 1280063A
Authority
FR
France
Prior art keywords
roller bit
bit
roller
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
FR844175A
Other languages
English (en)
Inventor
Wladimir Tiraspolsky
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.)
EUROP DE TURBOFORAGE SOC
Original Assignee
EUROP DE TURBOFORAGE SOC
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 EUROP DE TURBOFORAGE SOC filed Critical EUROP DE TURBOFORAGE SOC
Priority to FR844175A priority Critical patent/FR1280063A/fr
Application granted granted Critical
Publication of FR1280063A publication Critical patent/FR1280063A/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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • 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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying 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
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
    • E21B10/06—Roller core bits

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)
FR844175A 1960-11-17 1960-11-17 Trépan à molettes Expired FR1280063A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR844175A FR1280063A (fr) 1960-11-17 1960-11-17 Trépan à molettes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR844175A FR1280063A (fr) 1960-11-17 1960-11-17 Trépan à molettes

Publications (1)

Publication Number Publication Date
FR1280063A true FR1280063A (fr) 1961-12-29

Family

ID=8742856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844175A Expired FR1280063A (fr) 1960-11-17 1960-11-17 Trépan à molettes

Country Status (1)

Country Link
FR (1) FR1280063A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137433A1 (fr) * 1971-05-13 1972-12-29 Tone Boring Co
FR2196428A1 (fr) * 1972-08-18 1974-03-15 Erap

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137433A1 (fr) * 1971-05-13 1972-12-29 Tone Boring Co
FR2196428A1 (fr) * 1972-08-18 1974-03-15 Erap

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