AU466964B2 - Drill bit and roller cutter therefor - Google Patents

Drill bit and roller cutter therefor

Info

Publication number
AU466964B2
AU466964B2 AU45513/72A AU4551372A AU466964B2 AU 466964 B2 AU466964 B2 AU 466964B2 AU 45513/72 A AU45513/72 A AU 45513/72A AU 4551372 A AU4551372 A AU 4551372A AU 466964 B2 AU466964 B2 AU 466964B2
Authority
AU
Australia
Prior art keywords
drill bit
roller cutter
cutter therefor
therefor
roller
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
AU45513/72A
Other versions
AU4551372A (en
Inventor
W. Murdoch Henry
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.)
GW Murphy Industries Inc
Original Assignee
GW Murphy Industries 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 GW Murphy Industries Inc filed Critical GW Murphy Industries Inc
Priority to AU45513/72A priority Critical patent/AU466964B2/en
Publication of AU4551372A publication Critical patent/AU4551372A/en
Application granted granted Critical
Publication of AU466964B2 publication Critical patent/AU466964B2/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

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)
AU45513/72A 1972-08-11 1972-08-11 Drill bit and roller cutter therefor Expired AU466964B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU45513/72A AU466964B2 (en) 1972-08-11 1972-08-11 Drill bit and roller cutter therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU45513/72A AU466964B2 (en) 1972-08-11 1972-08-11 Drill bit and roller cutter therefor

Publications (2)

Publication Number Publication Date
AU4551372A AU4551372A (en) 1974-02-14
AU466964B2 true AU466964B2 (en) 1975-11-13

Family

ID=3732635

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45513/72A Expired AU466964B2 (en) 1972-08-11 1972-08-11 Drill bit and roller cutter therefor

Country Status (1)

Country Link
AU (1) AU466964B2 (en)

Also Published As

Publication number Publication date
AU4551372A (en) 1974-02-14

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