DE3884548T2 - Gesteinsbohrmeissel mit Matrixersatzmaterial. - Google Patents

Gesteinsbohrmeissel mit Matrixersatzmaterial.

Info

Publication number
DE3884548T2
DE3884548T2 DE19883884548 DE3884548T DE3884548T2 DE 3884548 T2 DE3884548 T2 DE 3884548T2 DE 19883884548 DE19883884548 DE 19883884548 DE 3884548 T DE3884548 T DE 3884548T DE 3884548 T2 DE3884548 T2 DE 3884548T2
Authority
DE
Germany
Prior art keywords
drill bit
rock drill
replacement material
matrix replacement
matrix
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 - Fee Related
Application number
DE19883884548
Other languages
English (en)
Other versions
DE3884548D1 (de
Inventor
Gordon A Tibbitts
Ralph M Horton
Lorenzo G Lovato
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Eastman Teleco 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 Eastman Teleco Co filed Critical Eastman Teleco Co
Application granted granted Critical
Publication of DE3884548D1 publication Critical patent/DE3884548D1/de
Publication of DE3884548T2 publication Critical patent/DE3884548T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
DE19883884548 1987-10-13 1988-10-12 Gesteinsbohrmeissel mit Matrixersatzmaterial. Expired - Fee Related DE3884548T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10794587A 1987-10-13 1987-10-13

Publications (2)

Publication Number Publication Date
DE3884548D1 DE3884548D1 (de) 1993-11-04
DE3884548T2 true DE3884548T2 (de) 1994-04-28

Family

ID=22319327

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883884548 Expired - Fee Related DE3884548T2 (de) 1987-10-13 1988-10-12 Gesteinsbohrmeissel mit Matrixersatzmaterial.

Country Status (3)

Country Link
EP (1) EP0312487B1 (de)
CA (1) CA1311234C (de)
DE (1) DE3884548T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004038254A1 (de) * 2004-08-06 2006-03-16 Volker Gallatz Verfahren zum Herstellen eines Erzeugnisses sowie ein zugehöriges Erzeugnis

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5284215A (en) * 1991-12-10 1994-02-08 Baker Hughes Incorporated Earth-boring drill bit with enlarged junk slots
GB9500659D0 (en) * 1995-01-13 1995-03-08 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
US9421671B2 (en) 2011-02-09 2016-08-23 Longyear Tm, Inc. Infiltrated diamond wear resistant bodies and tools
EP2771146B1 (de) 2011-10-24 2017-08-09 Diamond Innovations, Inc. Verfahren zur löt-verbindung einer metall-schneidspitze mit einer welle zur sicherstellung der axialen und winkeligen ausrichtung dazwischen unter verwendung mehrerer länglicher elemente
CA2948825A1 (en) * 2014-05-13 2015-11-19 Longyear Tm, Inc. Fully infiltrated rotary drill bit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471921A (en) * 1965-12-23 1969-10-14 Shell Oil Co Method of connecting a steel blank to a tungsten bit body
US3757879A (en) * 1972-08-24 1973-09-11 Christensen Diamond Prod Co Drill bits and methods of producing drill bits
GB1572543A (en) * 1978-05-26 1980-07-30 Smit & Sons Diamond Tools Drilling tools
US4484644A (en) * 1980-09-02 1984-11-27 Ingersoll-Rand Company Sintered and forged article, and method of forming same
US4398952A (en) * 1980-09-10 1983-08-16 Reed Rock Bit Company Methods of manufacturing gradient composite metallic structures
ZW12583A1 (en) * 1982-06-08 1983-08-24 Boart Int Ltd Drilling bit
DE3479143D1 (en) * 1983-12-03 1989-08-31 Reed Tool Co Improvements in or relating to the manufacture of rotary drill bits
DE3347501C3 (de) * 1983-12-29 1993-12-02 Uwe Christian Seefluth Bohrwerkzeug mit Hartmetalleinsatzkörper, Herstellverfahren für Hartmetalleinsatzkörper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004038254A1 (de) * 2004-08-06 2006-03-16 Volker Gallatz Verfahren zum Herstellen eines Erzeugnisses sowie ein zugehöriges Erzeugnis

Also Published As

Publication number Publication date
DE3884548D1 (de) 1993-11-04
CA1311234C (en) 1992-12-08
EP0312487A1 (de) 1989-04-19
EP0312487B1 (de) 1993-09-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee