AU545490B2 - Rotary drill bit - Google Patents

Rotary drill bit

Info

Publication number
AU545490B2
AU545490B2 AU66226/81A AU6622681A AU545490B2 AU 545490 B2 AU545490 B2 AU 545490B2 AU 66226/81 A AU66226/81 A AU 66226/81A AU 6622681 A AU6622681 A AU 6622681A AU 545490 B2 AU545490 B2 AU 545490B2
Authority
AU
Australia
Prior art keywords
drill bit
rotary drill
rotary
bit
drill
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
AU66226/81A
Other versions
AU6622681A (en
Inventor
John Michael Fuller
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.)
Drilling and Service UK Ltd
Original Assignee
Drilling and Service UK Ltd
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 Drilling and Service UK Ltd filed Critical Drilling and Service UK Ltd
Publication of AU6622681A publication Critical patent/AU6622681A/en
Application granted granted Critical
Publication of AU545490B2 publication Critical patent/AU545490B2/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
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
AU66226/81A 1980-01-10 1981-01-15 Rotary drill bit Ceased AU545490B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8000606 1980-01-10
GB8001489 1980-01-16
GB8001489 1980-01-16

Publications (2)

Publication Number Publication Date
AU6622681A AU6622681A (en) 1981-07-23
AU545490B2 true AU545490B2 (en) 1985-07-18

Family

ID=26274067

Family Applications (1)

Application Number Title Priority Date Filing Date
AU66226/81A Ceased AU545490B2 (en) 1980-01-10 1981-01-15 Rotary drill bit

Country Status (1)

Country Link
AU (1) AU545490B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU598645B2 (en) * 1987-03-23 1990-06-28 Smith International, Inc. Fluid flow control drag bits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU598645B2 (en) * 1987-03-23 1990-06-28 Smith International, Inc. Fluid flow control drag bits

Also Published As

Publication number Publication date
AU6622681A (en) 1981-07-23

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