FR74109E - Perfectionnements apportés aux têtes de forage diamantées - Google Patents

Perfectionnements apportés aux têtes de forage diamantées

Info

Publication number
FR74109E
FR74109E FR772692A FR772692A FR74109E FR 74109 E FR74109 E FR 74109E FR 772692 A FR772692 A FR 772692A FR 772692 A FR772692 A FR 772692A FR 74109 E FR74109 E FR 74109E
Authority
FR
France
Prior art keywords
diamond drill
drill heads
heads
diamond
drill
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
FR772692A
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.)
J K Smit & Fils Ets
Original Assignee
J K Smit & Fils Ets
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 J K Smit & Fils Ets filed Critical J K Smit & Fils Ets
Priority to FR772692A priority Critical patent/FR74109E/fr
Application granted granted Critical
Publication of FR74109E publication Critical patent/FR74109E/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
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type

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)
FR772692A 1958-08-19 1958-08-19 Perfectionnements apportés aux têtes de forage diamantées Expired FR74109E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR772692A FR74109E (fr) 1958-08-19 1958-08-19 Perfectionnements apportés aux têtes de forage diamantées

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR772692A FR74109E (fr) 1958-08-19 1958-08-19 Perfectionnements apportés aux têtes de forage diamantées

Publications (1)

Publication Number Publication Date
FR74109E true FR74109E (fr) 1960-11-07

Family

ID=8707285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR772692A Expired FR74109E (fr) 1958-08-19 1958-08-19 Perfectionnements apportés aux têtes de forage diamantées

Country Status (1)

Country Link
FR (1) FR74109E (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807156A1 (de) * 1978-02-20 1979-08-23 Heller Verwaltungsges Gesteinsbohrer
FR2643414A1 (fr) * 1989-02-21 1990-08-24 Vennin Henri Trepan de forage monobloc rotatif

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807156A1 (de) * 1978-02-20 1979-08-23 Heller Verwaltungsges Gesteinsbohrer
FR2643414A1 (fr) * 1989-02-21 1990-08-24 Vennin Henri Trepan de forage monobloc rotatif

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