FR548558A - Improvements to equipment for drilling wells - Google Patents

Improvements to equipment for drilling wells

Info

Publication number
FR548558A
FR548558A FR548558DA FR548558A FR 548558 A FR548558 A FR 548558A FR 548558D A FR548558D A FR 548558DA FR 548558 A FR548558 A FR 548558A
Authority
FR
France
Prior art keywords
equipment
drilling wells
wells
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
Other languages
French (fr)
Inventor
Clarence E Reed
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
Application granted granted Critical
Publication of FR548558A publication Critical patent/FR548558A/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)
FR548558D 1922-03-08 1922-03-08 Improvements to equipment for drilling wells Expired FR548558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR548558T 1922-03-08

Publications (1)

Publication Number Publication Date
FR548558A true FR548558A (en) 1923-01-18

Family

ID=8934916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR548558D Expired FR548558A (en) 1922-03-08 1922-03-08 Improvements to equipment for drilling wells

Country Status (1)

Country Link
FR (1) FR548558A (en)

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