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AU544711B2 - Drill bit - Google Patents

Drill bit

Info

Publication number
AU544711B2
AU544711B2 AU64424/80A AU6442480A AU544711B2 AU 544711 B2 AU544711 B2 AU 544711B2 AU 64424/80 A AU64424/80 A AU 64424/80A AU 6442480 A AU6442480 A AU 6442480A AU 544711 B2 AU544711 B2 AU 544711B2
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.)
Ceased
Application number
AU64424/80A
Other versions
AU6442480A (en
Inventor
Hendrik Hermanus Gerhardus Witzand
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.)
WITZAND HHG
Original Assignee
WITZAND HHG
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 WITZAND HHG filed Critical WITZAND HHG
Priority to AU64424/80A priority Critical patent/AU544711B2/en
Application granted granted Critical
Publication of AU544711B2 publication Critical patent/AU544711B2/en
Publication of AU6442480A publication Critical patent/AU6442480A/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21B10/58—Chisel-type inserts
    • 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
    • E21B10/56—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)
AU64424/80A 1980-08-08 1980-08-08 Drill bit Ceased AU544711B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU64424/80A AU544711B2 (en) 1980-08-08 1980-08-08 Drill bit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPE4941 1980-08-08
AU64424/80A AU544711B2 (en) 1980-08-08 1980-08-08 Drill bit

Publications (2)

Publication Number Publication Date
AU544711B2 true AU544711B2 (en) 1985-06-13
AU6442480A AU6442480A (en) 1985-06-13

Family

ID=3749121

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64424/80A Ceased AU544711B2 (en) 1980-08-08 1980-08-08 Drill bit

Country Status (1)

Country Link
AU (1) AU544711B2 (en)

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