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FR76992E - Molette pour outil de forage - Google Patents

Molette pour outil de forage

Info

Publication number
FR76992E
FR76992E FR812912A FR812912A FR76992E FR 76992 E FR76992 E FR 76992E FR 812912 A FR812912 A FR 812912A FR 812912 A FR812912 A FR 812912A FR 76992 E FR76992 E FR 76992E
Authority
FR
France
Prior art keywords
wheel
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
FR812912A
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.)
MATERIEL DE FORAGE SOC DE FAB
Original Assignee
MATERIEL DE FORAGE SOC DE FAB
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 MATERIEL DE FORAGE SOC DE FAB filed Critical MATERIEL DE FORAGE SOC DE FAB
Priority to FR812912A priority Critical patent/FR76992E/fr
Application granted granted Critical
Publication of FR76992E publication Critical patent/FR76992E/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

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)
FR812912A 1959-12-12 1959-12-12 Molette pour outil de forage Expired FR76992E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR812912A FR76992E (fr) 1959-12-12 1959-12-12 Molette pour outil de forage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR812912A FR76992E (fr) 1959-12-12 1959-12-12 Molette pour outil de forage

Publications (1)

Publication Number Publication Date
FR76992E true FR76992E (fr) 1961-12-29

Family

ID=8722525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR812912A Expired FR76992E (fr) 1959-12-12 1959-12-12 Molette pour outil de forage

Country Status (1)

Country Link
FR (1) FR76992E (fr)

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