FR80597E - Oil Well Drilling Tool Improvements - Google Patents

Oil Well Drilling Tool Improvements

Info

Publication number
FR80597E
FR80597E FR878123A FR878123A FR80597E FR 80597 E FR80597 E FR 80597E FR 878123 A FR878123 A FR 878123A FR 878123 A FR878123 A FR 878123A FR 80597 E FR80597 E FR 80597E
Authority
FR
France
Prior art keywords
oil well
drilling tool
well drilling
tool improvements
oil
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
FR878123A
Other languages
French (fr)
Inventor
Andre Miffre
Hubert Miffre
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 FR878123A priority Critical patent/FR80597E/en
Application granted granted Critical
Publication of FR80597E publication Critical patent/FR80597E/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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details

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)
FR878123A 1961-11-07 1961-11-07 Oil Well Drilling Tool Improvements Expired FR80597E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR878123A FR80597E (en) 1961-11-07 1961-11-07 Oil Well Drilling Tool Improvements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR878123A FR80597E (en) 1961-11-07 1961-11-07 Oil Well Drilling Tool Improvements

Publications (1)

Publication Number Publication Date
FR80597E true FR80597E (en) 1963-05-17

Family

ID=8766147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878123A Expired FR80597E (en) 1961-11-07 1961-11-07 Oil Well Drilling Tool Improvements

Country Status (1)

Country Link
FR (1) FR80597E (en)

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