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FR1240063A - Drill bit heads improvements - Google Patents

Drill bit heads improvements

Info

Publication number
FR1240063A
FR1240063A FR800871A FR800871A FR1240063A FR 1240063 A FR1240063 A FR 1240063A FR 800871 A FR800871 A FR 800871A FR 800871 A FR800871 A FR 800871A FR 1240063 A FR1240063 A FR 1240063A
Authority
FR
France
Prior art keywords
drill bit
bit heads
heads
drill
heads improvements
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
FR800871A
Other languages
French (fr)
Inventor
Charles Gruere
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 filed Critical
Priority to FR800871A priority Critical patent/FR1240063A/en
Application granted granted Critical
Publication of FR1240063A publication Critical patent/FR1240063A/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
    • E21B10/02—Core bits

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)
FR800871A 1959-07-23 1959-07-23 Drill bit heads improvements Expired FR1240063A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR800871A FR1240063A (en) 1959-07-23 1959-07-23 Drill bit heads improvements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR800871A FR1240063A (en) 1959-07-23 1959-07-23 Drill bit heads improvements

Publications (1)

Publication Number Publication Date
FR1240063A true FR1240063A (en) 1960-09-02

Family

ID=8717468

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800871A Expired FR1240063A (en) 1959-07-23 1959-07-23 Drill bit heads improvements

Country Status (1)

Country Link
FR (1) FR1240063A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4809790A (en) * 1987-09-04 1989-03-07 Manchak Frank Device for sampling soils and retaining volatiles therein and method of using same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4809790A (en) * 1987-09-04 1989-03-07 Manchak Frank Device for sampling soils and retaining volatiles therein and method of using same

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