DE2938524A1 - Schneidelement und bohrmeissel zum gesteinsbohren - Google Patents

Schneidelement und bohrmeissel zum gesteinsbohren

Info

Publication number
DE2938524A1
DE2938524A1 DE19792938524 DE2938524A DE2938524A1 DE 2938524 A1 DE2938524 A1 DE 2938524A1 DE 19792938524 DE19792938524 DE 19792938524 DE 2938524 A DE2938524 A DE 2938524A DE 2938524 A1 DE2938524 A1 DE 2938524A1
Authority
DE
Germany
Prior art keywords
cutting element
cutting
boron nitride
rock
diamond
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.)
Granted
Application number
DE19792938524
Other languages
German (de)
English (en)
Other versions
DE2938524C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Jun John Baines Cheatham
William Henry Daniels
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE2938524A1 publication Critical patent/DE2938524A1/de
Application granted granted Critical
Publication of DE2938524C2 publication Critical patent/DE2938524C2/de
Granted legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button-type inserts
    • E21B10/567Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58Chisel-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (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)
DE19792938524 1978-10-02 1979-09-24 Schneidelement und bohrmeissel zum gesteinsbohren Granted DE2938524A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94786578A 1978-10-02 1978-10-02

Publications (2)

Publication Number Publication Date
DE2938524A1 true DE2938524A1 (de) 1980-04-10
DE2938524C2 DE2938524C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-12-19

Family

ID=25486908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792938524 Granted DE2938524A1 (de) 1978-10-02 1979-09-24 Schneidelement und bohrmeissel zum gesteinsbohren

Country Status (12)

Country Link
JP (1) JPS5549490A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE879116A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH646227A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2938524A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES257023Y (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2443560A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2032979B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL58031A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1163718B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7906559A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE7908122L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA794097B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3114749A1 (de) * 1981-04-11 1982-10-28 Christensen, Inc., 84115 Salt Lake City, Utah Schneidglied fuer drehbohrmeissel fuer tiefbohrungen in bodenformationen
DE3318100C1 (de) * 1983-04-28 1984-11-15 Sumitomo Metal Mining Co. Ltd., Tokio/Tokyo Zylindrischer Schneideinsatz fuer Gesteinsbohrkronen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039632C2 (de) * 1980-10-21 1982-12-16 Christensen, Inc., 84115 Salt Lake City, Utah Drehborhmeißel für Tiefbohrungen
US4533004A (en) * 1984-01-16 1985-08-06 Cdp, Ltd. Self sharpening drag bit for sub-surface formation drilling
US4669556A (en) * 1984-01-31 1987-06-02 Nl Industries, Inc. Drill bit and cutter therefor
GB2181472A (en) * 1985-08-22 1987-04-23 Anderson Strathclyde Plc Cutter tools and tip inserts therefor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136615A (en) * 1960-10-03 1964-06-09 Gen Electric Compact of abrasive crystalline material with boron carbide bonding medium
US3141746A (en) * 1960-10-03 1964-07-21 Gen Electric Diamond compact abrasive
US3233988A (en) * 1964-05-19 1966-02-08 Gen Electric Cubic boron nitride compact and method for its production
US3745489A (en) * 1972-05-01 1973-07-10 Stanford Research Inst Microwave and uhf filters using discrete hairpin resonators
US3745623A (en) * 1971-12-27 1973-07-17 Gen Electric Diamond tools for machining
US3767371A (en) * 1971-07-01 1973-10-23 Gen Electric Cubic boron nitride/sintered carbide abrasive bodies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA782286B (en) * 1978-04-21 1979-10-31 Christensen Inc Abrasive bodies

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136615A (en) * 1960-10-03 1964-06-09 Gen Electric Compact of abrasive crystalline material with boron carbide bonding medium
US3141746A (en) * 1960-10-03 1964-07-21 Gen Electric Diamond compact abrasive
US3233988A (en) * 1964-05-19 1966-02-08 Gen Electric Cubic boron nitride compact and method for its production
US3767371A (en) * 1971-07-01 1973-10-23 Gen Electric Cubic boron nitride/sintered carbide abrasive bodies
US3745623A (en) * 1971-12-27 1973-07-17 Gen Electric Diamond tools for machining
US3745489A (en) * 1972-05-01 1973-07-10 Stanford Research Inst Microwave and uhf filters using discrete hairpin resonators

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3114749A1 (de) * 1981-04-11 1982-10-28 Christensen, Inc., 84115 Salt Lake City, Utah Schneidglied fuer drehbohrmeissel fuer tiefbohrungen in bodenformationen
DE3318100C1 (de) * 1983-04-28 1984-11-15 Sumitomo Metal Mining Co. Ltd., Tokio/Tokyo Zylindrischer Schneideinsatz fuer Gesteinsbohrkronen

Also Published As

Publication number Publication date
CH646227A5 (de) 1984-11-15
IT7926090A0 (it) 1979-09-28
GB2032979A (en) 1980-05-14
JPS6238517B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-08-18
DE2938524C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-12-19
JPS5549490A (en) 1980-04-09
ZA794097B (en) 1980-11-26
IT1163718B (it) 1987-04-08
ES257023Y (es) 1982-04-16
SE7908122L (sv) 1980-04-03
FR2443560B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-07-20
IL58031A (en) 1982-08-31
NL7906559A (nl) 1980-04-08
FR2443560A1 (fr) 1980-07-04
GB2032979B (en) 1982-09-08
IL58031A0 (en) 1979-12-30
BE879116A (fr) 1980-02-01
ES257023U (es) 1981-10-16

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: HANSMANN, A., DIPL.-WIRTSCH.-ING., PAT.-ANW., 8000

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee