AU6743787A - Drill bit with means for providing a controlled flow of lubricant to the cutting cone bearings - Google Patents

Drill bit with means for providing a controlled flow of lubricant to the cutting cone bearings

Info

Publication number
AU6743787A
AU6743787A AU67437/87A AU6743787A AU6743787A AU 6743787 A AU6743787 A AU 6743787A AU 67437/87 A AU67437/87 A AU 67437/87A AU 6743787 A AU6743787 A AU 6743787A AU 6743787 A AU6743787 A AU 6743787A
Authority
AU
Australia
Prior art keywords
lubricant
providing
drill bit
controlled flow
cutting cone
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.)
Abandoned
Application number
AU67437/87A
Inventor
Donald D. Drummond
Walter F. Johnsey
Roy W. Wood
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.)
Drummond Donald D Jr
Drummond Hl
Drummond Sd
Original Assignee
Drummond Donald D Jr
Drummond H L
Drummond S D
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 Drummond Donald D Jr, Drummond H L, Drummond S D filed Critical Drummond Donald D Jr
Publication of AU6743787A publication Critical patent/AU6743787A/en
Abandoned 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)
  • Earth Drilling (AREA)
AU67437/87A 1986-01-13 1987-01-08 Drill bit with means for providing a controlled flow of lubricant to the cutting cone bearings Abandoned AU6743787A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81832686A 1986-01-13 1986-01-13
US818326 1997-03-14

Publications (1)

Publication Number Publication Date
AU6743787A true AU6743787A (en) 1987-07-16

Family

ID=25225263

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67437/87A Abandoned AU6743787A (en) 1986-01-13 1987-01-08 Drill bit with means for providing a controlled flow of lubricant to the cutting cone bearings

Country Status (6)

Country Link
EP (1) EP0230129A1 (en)
AU (1) AU6743787A (en)
BR (1) BR8700047A (en)
CA (1) CA1264318A (en)
MX (1) MX160907A (en)
ZA (1) ZA87174B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2055399A1 (en) * 1991-11-13 1993-05-14 Kenneth M. White Indicating means for a rock bit lubricating system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125175A (en) * 1964-03-17 figure
US2814464A (en) * 1953-01-02 1957-11-26 Engineering Lab Inc Air course drill bits
US3029881A (en) * 1959-06-09 1962-04-17 H C Smith Oil Tool Co Bit lubricator
US3924695A (en) * 1974-10-02 1975-12-09 John R Kennedy Rotary drilling method and apparatus
US4080091A (en) * 1976-11-03 1978-03-21 Reed Tool Company Drill bit
US4375242A (en) * 1980-08-11 1983-03-01 Hughes Tool Company Sealed and lubricated rock bit with air protected seal ring
US4386668A (en) * 1980-09-19 1983-06-07 Hughes Tool Company Sealed lubricated and air cooled rock bit bearing
EP0106701A3 (en) * 1982-10-19 1986-02-05 Drumco Method and apparatus for lubricating a drill bit
US4541494A (en) * 1982-10-19 1985-09-17 Drumco Drill bit assembly

Also Published As

Publication number Publication date
EP0230129A1 (en) 1987-07-29
BR8700047A (en) 1987-12-01
ZA87174B (en) 1987-08-26
CA1264318A (en) 1990-01-09
MX160907A (en) 1990-06-06

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