FR1249346A - Perfectionnements aux trépans de forage et couronnes de carottage - Google Patents

Perfectionnements aux trépans de forage et couronnes de carottage

Info

Publication number
FR1249346A
FR1249346A FR809892A FR809892A FR1249346A FR 1249346 A FR1249346 A FR 1249346A FR 809892 A FR809892 A FR 809892A FR 809892 A FR809892 A FR 809892A FR 1249346 A FR1249346 A FR 1249346A
Authority
FR
France
Prior art keywords
bits
core
drill
drill bits
core bits
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
FR809892A
Other languages
English (en)
Inventor
Marcel G Ritter
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.)
Norton Christensen Inc
Original Assignee
Christensen Diamond Products Co
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 Christensen Diamond Products Co filed Critical Christensen Diamond Products Co
Priority to FR809892A priority Critical patent/FR1249346A/fr
Application granted granted Critical
Publication of FR1249346A publication Critical patent/FR1249346A/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

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)
FR809892A 1959-11-12 1959-11-12 Perfectionnements aux trépans de forage et couronnes de carottage Expired FR1249346A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR809892A FR1249346A (fr) 1959-11-12 1959-11-12 Perfectionnements aux trépans de forage et couronnes de carottage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR809892A FR1249346A (fr) 1959-11-12 1959-11-12 Perfectionnements aux trépans de forage et couronnes de carottage

Publications (1)

Publication Number Publication Date
FR1249346A true FR1249346A (fr) 1960-12-30

Family

ID=8721168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR809892A Expired FR1249346A (fr) 1959-11-12 1959-11-12 Perfectionnements aux trépans de forage et couronnes de carottage

Country Status (1)

Country Link
FR (1) FR1249346A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3153458A (en) * 1962-10-08 1964-10-20 Drilling & Service Inc Blade-type drill bit
US3191698A (en) * 1962-05-17 1965-06-29 Drilling & Service Inc Blade-type drill bit
DE1583757B1 (de) * 1966-01-06 1970-05-14 Shell Int Research Verfahren und Vorrichtung zum Herstellen einer gesinterten Diamantbohrkrone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191698A (en) * 1962-05-17 1965-06-29 Drilling & Service Inc Blade-type drill bit
US3153458A (en) * 1962-10-08 1964-10-20 Drilling & Service Inc Blade-type drill bit
DE1583757B1 (de) * 1966-01-06 1970-05-14 Shell Int Research Verfahren und Vorrichtung zum Herstellen einer gesinterten Diamantbohrkrone

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