AU5392979A - Drill bit - Google Patents

Drill bit

Info

Publication number
AU5392979A
AU5392979A AU53929/79A AU5392979A AU5392979A AU 5392979 A AU5392979 A AU 5392979A AU 53929/79 A AU53929/79 A AU 53929/79A AU 5392979 A AU5392979 A AU 5392979A AU 5392979 A AU5392979 A AU 5392979A
Authority
AU
Australia
Prior art keywords
drill bit
drill
bit
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
AU53929/79A
Inventor
Robert D. Goodfellow
Wilbur L. Kennicott
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.)
Kennametal Inc
Original Assignee
Kennametal Inc
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 Kennametal Inc filed Critical Kennametal Inc
Publication of AU5392979A publication Critical patent/AU5392979A/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
    • 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
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

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)
  • Rolling Contact Bearings (AREA)
  • Earth Drilling (AREA)
AU53929/79A 1978-12-26 1979-12-17 Drill bit Abandoned AU5392979A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US97271078A 1978-12-26 1978-12-26
US972710 1978-12-28

Publications (1)

Publication Number Publication Date
AU5392979A true AU5392979A (en) 1980-07-10

Family

ID=25520036

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53929/79A Abandoned AU5392979A (en) 1978-12-26 1979-12-17 Drill bit

Country Status (3)

Country Link
AU (1) AU5392979A (en)
CA (1) CA1137073A (en)
DE (1) DE2952261A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104695866A (en) * 2015-04-02 2015-06-10 江汉石油钻头股份有限公司 Multi-jetflow bodied tricone bit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1050707B (en) * 1959-02-19 Hagen Karl-Günther Bechern (Westf.) - Berchum Roller chisel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104695866A (en) * 2015-04-02 2015-06-10 江汉石油钻头股份有限公司 Multi-jetflow bodied tricone bit

Also Published As

Publication number Publication date
DE2952261A1 (en) 1980-07-24
CA1137073A (en) 1982-12-07

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