DE68925439T2 - Bohrmeissel mit Verbundschneidelementen - Google Patents

Bohrmeissel mit Verbundschneidelementen

Info

Publication number: DE68925439T2
Authority: DE; Germany
Prior art keywords: cutting; bit; drill bit; different; laterally adjacent
Prior art date: 1988-07-06
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

DE1989625439

Other languages

German (de)

English (en)

Other versions

DE68925439D1 (de

Inventor

Rainer Dr Juergens

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 Holdings LLC

Original Assignee

Baker Hughes 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.)

1988-07-06

Filing date

1989-07-06

Publication date

1996-08-22

1989-07-06 Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc

1996-02-29 Application granted granted Critical

1996-02-29 Publication of DE68925439D1 publication Critical patent/DE68925439D1/de

1996-08-22 Publication of DE68925439T2 publication Critical patent/DE68925439T2/de

2009-07-07 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000005520 cutting process Methods 0.000 title claims description 71
239000002131 composite material Substances 0.000 title description 2
239000010432 diamond Substances 0.000 claims description 16
229910003460 diamond Inorganic materials 0.000 claims description 15
239000000463 material Substances 0.000 claims description 14
230000015572 biosynthetic process Effects 0.000 claims description 10
238000005755 formation reaction Methods 0.000 claims description 10
238000005553 drilling Methods 0.000 claims description 3
239000010410 layer Substances 0.000 description 6
230000009977 dual effect Effects 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
238000005245 sintering Methods 0.000 description 2
238000005219 brazing Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000001513 hot isostatic pressing Methods 0.000 description 1
230000008595 infiltration Effects 0.000 description 1
238000001764 infiltration Methods 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
239000002344 surface layer Substances 0.000 description 1
UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1

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
- E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts

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)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

DE1989625439 1988-07-06 1989-07-06 Bohrmeissel mit Verbundschneidelementen Expired - Fee Related DE68925439T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US21549988A	1988-07-06	1988-07-06

Publications (2)

Publication Number	Publication Date
DE68925439D1 DE68925439D1 (de)	1996-02-29
DE68925439T2 true DE68925439T2 (de)	1996-08-22

Family

ID=22803218

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE1989625439 Expired - Fee Related DE68925439T2 (de)	1988-07-06	1989-07-06	Bohrmeissel mit Verbundschneidelementen

Country Status (3)

Country	Link
EP (1)	EP0350045B1 (fr)
CA (1)	CA1311745C (fr)
DE (1)	DE68925439T2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5238074A (en) *	1992-01-06	1993-08-24	Baker Hughes Incorporated	Mosaic diamond drag bit cutter having a nonuniform wear pattern
ZA935525B (en) *	1992-08-06	1994-02-24	De Beers Ind Diamond	Tool insert
GB9827600D0 (en) *	1998-12-15	1999-02-10	De Beers Ind Diamond	Abrasive product
US6248447B1 (en)	1999-09-03	2001-06-19	Camco International (Uk) Limited	Cutting elements and methods of manufacture thereof
US8991525B2 (en) *	2012-05-01	2015-03-31	Baker Hughes Incorporated	Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3111156C1 (de) *	1981-03-21	1983-04-14	Christensen, Inc., 84115 Salt Lake City, Utah	Schneidglied fuer Drehbohrmeissel zum Tiefbohren in Erdformationen
AU3946885A (en) *	1984-03-26	1985-10-03	Norton Christensen Inc.	Cutting element using polycrystalline diamond disks
GB8612012D0 (en) *	1986-05-16	1986-06-25	Nl Petroleum Prod	Rotary drill bits

1989
- 1989-07-06 EP EP19890112388 patent/EP0350045B1/fr not_active Expired - Lifetime
- 1989-07-06 DE DE1989625439 patent/DE68925439T2/de not_active Expired - Fee Related
- 1989-07-06 CA CA000604897A patent/CA1311745C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0350045A2 (fr)	1990-01-10
DE68925439D1 (de)	1996-02-29
CA1311745C (fr)	1992-12-22
EP0350045A3 (en)	1990-06-06
EP0350045B1 (fr)	1996-01-17

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Legal Events

Date	Code	Title	Description
1997-02-20	8364	No opposition during term of opposition
2004-06-09	8339	Ceased/non-payment of the annual fee