FR1499456A - Improvements to rotary drilling tools for taking rock samples - Google Patents

Improvements to rotary drilling tools for taking rock samples

Info

Publication number
FR1499456A
FR1499456A FR76665A FR76665A FR1499456A FR 1499456 A FR1499456 A FR 1499456A FR 76665 A FR76665 A FR 76665A FR 76665 A FR76665 A FR 76665A FR 1499456 A FR1499456 A FR 1499456A
Authority
FR
France
Prior art keywords
rotary drilling
drilling tools
rock samples
taking rock
taking
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
FR76665A
Other languages
French (fr)
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.)
Bureau de Recherches Geologiques et Minieres BRGM
Original Assignee
Bureau de Recherches Geologiques et Minieres BRGM
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 Bureau de Recherches Geologiques et Minieres BRGM filed Critical Bureau de Recherches Geologiques et Minieres BRGM
Priority to FR76665A priority Critical patent/FR1499456A/en
Application granted granted Critical
Publication of FR1499456A publication Critical patent/FR1499456A/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
    • 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)
FR76665A 1966-09-16 1966-09-16 Improvements to rotary drilling tools for taking rock samples Expired FR1499456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR76665A FR1499456A (en) 1966-09-16 1966-09-16 Improvements to rotary drilling tools for taking rock samples

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR76665A FR1499456A (en) 1966-09-16 1966-09-16 Improvements to rotary drilling tools for taking rock samples

Publications (1)

Publication Number Publication Date
FR1499456A true FR1499456A (en) 1967-10-27

Family

ID=8617288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR76665A Expired FR1499456A (en) 1966-09-16 1966-09-16 Improvements to rotary drilling tools for taking rock samples

Country Status (1)

Country Link
FR (1) FR1499456A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2212482A1 (en) * 1973-01-03 1974-07-26 Inst Tugoplavkikh Metallov

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2212482A1 (en) * 1973-01-03 1974-07-26 Inst Tugoplavkikh Metallov

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