AU590826B2 - Revolving cutters for rock bits - Google Patents

Revolving cutters for rock bits

Info

Publication number
AU590826B2
AU590826B2 AU69985/87A AU6998587A AU590826B2 AU 590826 B2 AU590826 B2 AU 590826B2 AU 69985/87 A AU69985/87 A AU 69985/87A AU 6998587 A AU6998587 A AU 6998587A AU 590826 B2 AU590826 B2 AU 590826B2
Authority
AU
Australia
Prior art keywords
rock bits
revolving cutters
cutters
revolving
rock
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
AU69985/87A
Other versions
AU6998587A (en
Inventor
George Fyfe
Kenneth William Jones
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.)
Smith International Inc
Original Assignee
Smith International 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 Smith International Inc filed Critical Smith International Inc
Publication of AU6998587A publication Critical patent/AU6998587A/en
Application granted granted Critical
Publication of AU590826B2 publication Critical patent/AU590826B2/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
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • 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
    • 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
    • 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)
  • Mining & Mineral Resources (AREA)
  • Geology (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)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
AU69985/87A 1986-03-13 1987-03-13 Revolving cutters for rock bits Ceased AU590826B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83943486A 1986-03-13 1986-03-13
US839434 1986-03-13

Publications (2)

Publication Number Publication Date
AU6998587A AU6998587A (en) 1987-09-17
AU590826B2 true AU590826B2 (en) 1989-11-16

Family

ID=25279716

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69985/87A Ceased AU590826B2 (en) 1986-03-13 1987-03-13 Revolving cutters for rock bits

Country Status (6)

Country Link
EP (1) EP0237359A3 (en)
AU (1) AU590826B2 (en)
BR (1) BR8701601A (en)
CA (1) CA1260923A (en)
MX (1) MX161103A (en)
NO (1) NO871037L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4846290A (en) * 1986-03-13 1989-07-11 Smith International, Inc. Underreamer with revolving diamond cutter elements
EP0370199A1 (en) * 1988-10-25 1990-05-30 General Electric Company Drill bits utilizing polycrystalline diamond grit
DE9206657U1 (en) * 1992-05-15 1993-09-16 Töpfer, Rainer, 28870 Ottersberg Rotary tool with carbide inserts
DE784733T1 (en) * 1994-10-14 1998-01-02 Kennametal Inc CONCAVE CUTTING CHISEL
US5678645A (en) * 1995-11-13 1997-10-21 Baker Hughes Incorporated Mechanically locked cutters and nozzles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298080A (en) * 1977-05-25 1981-11-03 Secretary Of State For Transport In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Rock cutting tools
US4553615A (en) * 1982-02-20 1985-11-19 Nl Industries, Inc. Rotary drilling bits

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1533286A (en) * 1924-06-09 1925-04-14 Harry P Wickersham Well-drilling bit
US3830321A (en) * 1973-02-20 1974-08-20 Kennametal Inc Excavating tool and a bit for use therewith
US4253533A (en) * 1979-11-05 1981-03-03 Smith International, Inc. Variable wear pad for crossflow drag bit
US4448269A (en) * 1981-10-27 1984-05-15 Hitachi Construction Machinery Co., Ltd. Cutter head for pit-boring machine
CA1216158A (en) * 1981-11-09 1987-01-06 Akio Hara Composite compact component and a process for the production of the same
GB8428829D0 (en) * 1984-11-15 1984-12-27 Brown K M Drill bit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298080A (en) * 1977-05-25 1981-11-03 Secretary Of State For Transport In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Rock cutting tools
US4553615A (en) * 1982-02-20 1985-11-19 Nl Industries, Inc. Rotary drilling bits

Also Published As

Publication number Publication date
EP0237359A3 (en) 1988-11-23
CA1260923A (en) 1989-09-26
MX161103A (en) 1990-07-31
NO871037D0 (en) 1987-03-13
BR8701601A (en) 1988-01-12
NO871037L (en) 1987-09-14
AU6998587A (en) 1987-09-17
EP0237359A2 (en) 1987-09-16

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