IT1060744B - Metodo por lubrificare completamente trivelle per la perforazione di terreni ed utensile cosi ottenuto - Google Patents

Metodo por lubrificare completamente trivelle per la perforazione di terreni ed utensile cosi ottenuto

Info

Publication number
IT1060744B
IT1060744B IT2378376A IT2378376A IT1060744B IT 1060744 B IT1060744 B IT 1060744B IT 2378376 A IT2378376 A IT 2378376A IT 2378376 A IT2378376 A IT 2378376A IT 1060744 B IT1060744 B IT 1060744B
Authority
IT
Italy
Prior art keywords
drills
tool
lubricating
completely
drilling
Prior art date
Application number
IT2378376A
Other languages
English (en)
Italian (it)
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Application granted granted Critical
Publication of IT1060744B publication Critical patent/IT1060744B/it

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N37/00—Equipment for transferring lubricant from one container to another

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
IT2378376A 1975-05-30 1976-05-31 Metodo por lubrificare completamente trivelle per la perforazione di terreni ed utensile cosi ottenuto IT1060744B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58005075A 1975-05-30 1975-05-30

Publications (1)

Publication Number Publication Date
IT1060744B true IT1060744B (it) 1982-08-20

Family

ID=24319449

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2378376A IT1060744B (it) 1975-05-30 1976-05-31 Metodo por lubrificare completamente trivelle per la perforazione di terreni ed utensile cosi ottenuto

Country Status (3)

Country Link
BR (1) BR7600745A (Direct)
FR (2) FR2319764A1 (Direct)
IT (1) IT1060744B (Direct)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI781181A7 (fi) * 1977-07-01 1979-01-02 Dresser Ind Foerfarande foer framstaellning av en roterande bergborrkrona

Also Published As

Publication number Publication date
FR2319764B3 (Direct) 1979-02-16
FR2319764A1 (fr) 1977-02-25
BR7600745A (pt) 1977-05-10
FR2319841A1 (fr) 1977-02-25

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