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FR1217893A - Further training in the manufacture of drilling tools - Google Patents

Further training in the manufacture of drilling tools

Info

Publication number
FR1217893A
FR1217893A FR781486A FR781486A FR1217893A FR 1217893 A FR1217893 A FR 1217893A FR 781486 A FR781486 A FR 781486A FR 781486 A FR781486 A FR 781486A FR 1217893 A FR1217893 A FR 1217893A
Authority
FR
France
Prior art keywords
manufacture
drilling tools
further training
training
drilling
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
FR781486A
Other languages
French (fr)
Inventor
J Jardin
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.)
Craelius AB
Original Assignee
Craelius AB
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 Craelius AB filed Critical Craelius AB
Priority to FR781486A priority Critical patent/FR1217893A/en
Application granted granted Critical
Publication of FR1217893A publication Critical patent/FR1217893A/en
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
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids

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)
FR781486A 1958-12-12 1958-12-12 Further training in the manufacture of drilling tools Expired FR1217893A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR781486A FR1217893A (en) 1958-12-12 1958-12-12 Further training in the manufacture of drilling tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR781486A FR1217893A (en) 1958-12-12 1958-12-12 Further training in the manufacture of drilling tools

Publications (1)

Publication Number Publication Date
FR1217893A true FR1217893A (en) 1960-05-06

Family

ID=8709181

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781486A Expired FR1217893A (en) 1958-12-12 1958-12-12 Further training in the manufacture of drilling tools

Country Status (1)

Country Link
FR (1) FR1217893A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112803A (en) * 1962-01-02 1963-12-03 Jersey Prod Res Co Diamond drill bit
US5497841A (en) * 1991-03-14 1996-03-12 William Mohlenhoff Methods for coring a masonry wall

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112803A (en) * 1962-01-02 1963-12-03 Jersey Prod Res Co Diamond drill bit
US5497841A (en) * 1991-03-14 1996-03-12 William Mohlenhoff Methods for coring a masonry wall

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