EP0154936A3 - An exposed polycrystalline diamond mounted in a matrix body drill bit - Google Patents

An exposed polycrystalline diamond mounted in a matrix body drill bit Download PDF

Info

Publication number: EP0154936A3
Authority: EP; European Patent Office
Prior art keywords: drill bit; polycrystalline diamond; matrix body; body drill; exposed polycrystalline
Prior art date: 1984-03-16
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

EP85102568A

Other versions

EP0154936A2 (en

EP0154936B1 (en

Inventor

Jimmy L. Carroll

Richard H. Grappendorf

Alexander K. Meskin

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

Norton Christensen 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.)

1984-03-16

Filing date

1985-03-07

Publication date

1986-06-11

1985-03-07 Application filed by Norton Christensen Inc filed Critical Norton Christensen Inc

1985-09-18 Publication of EP0154936A2 publication Critical patent/EP0154936A2/en

1986-06-11 Publication of EP0154936A3 publication Critical patent/EP0154936A3/en

1990-05-09 Application granted granted Critical

1990-05-09 Publication of EP0154936B1 publication Critical patent/EP0154936B1/en

Status Expired legal-status Critical Current

Links

229910003460 diamond Inorganic materials 0.000 title 1
239000010432 diamond Substances 0.000 title 1
239000011159 matrix material Substances 0.000 title 1

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
- 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 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

EP85102568A 1984-03-16 1985-03-07 An exposed polycrystalline diamond mounted in a matrix body drill bit Expired EP0154936B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US59036684A	1984-03-16	1984-03-16
US590366		1990-09-28

Publications (3)

Publication Number	Publication Date
EP0154936A2 EP0154936A2 (en)	1985-09-18
EP0154936A3 true EP0154936A3 (en)	1986-06-11
EP0154936B1 EP0154936B1 (en)	1990-05-09

Family

ID=24361960

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP85102568A Expired EP0154936B1 (en)	1984-03-16	1985-03-07	An exposed polycrystalline diamond mounted in a matrix body drill bit

Country Status (5)

Country	Link
EP (1)	EP0154936B1 (en)
JP (1)	JPS60212588A (en)
CA (1)	CA1248939A (en)
DE (1)	DE3577586D1 (en)
NO (1)	NO167224C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA864402B (en) *	1985-06-18	1987-02-25	De Beers Ind Diamond	Abrasive tool
US4673044A (en) *	1985-08-02	1987-06-16	Eastman Christensen Co.	Earth boring bit for soft to hard formations
GB2188354B (en) *	1986-03-27	1989-11-22	Shell Int Research	Rotary drill bit
GB8907618D0 (en) *	1989-04-05	1989-05-17	Morrison Pumps Sa	Drilling
GB2234542B (en) *	1989-08-04	1993-03-31	Reed Tool Co	Improvements in or relating to cutting elements for rotary drill bits
GB9103828D0 (en) *	1991-02-23	1991-04-10	Brit Bit Limited	Improvements relating to drill bits
US6109377A (en) *	1997-07-15	2000-08-29	Kennametal Inc.	Rotatable cutting bit assembly with cutting inserts
AU740125B2 (en) *	1997-07-15	2001-11-01	Kennametal Inc.	Rotatable cutting bit assembly with cutting inserts
US6176332B1 (en)	1998-12-31	2001-01-23	Kennametal Inc.	Rotatable cutting bit assembly with cutting inserts
DE10236483A1 (en) *	2002-08-08	2004-02-19	Hilti Ag	Hard material insert with polycrystalline diamond layer
US9056799B2 (en)	2010-11-24	2015-06-16	Kennametal Inc.	Matrix powder system and composite materials and articles made therefrom
US20140182947A1 (en)	2012-12-28	2014-07-03	Smith International, Inc.	Cutting insert for percussion drill bit
WO2017123562A1 (en)	2016-01-13	2017-07-20	Schlumberger Technology Corporation	Angled chisel insert
US10508503B2 (en)	2016-09-23	2019-12-17	Baker Hughes, A Ge Company, Llc	Cutting elements, earth-boring tools including the cutting elements, and methods of forming the earth-boring tools

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3709308A (en) *	1970-12-02	1973-01-09	Christensen Diamond Prod Co	Diamond drill bits
US3885637A (en) *	1973-01-03	1975-05-27	Vladimir Ivanovich Veprintsev	Boring tools and method of manufacturing the same
US4190126A (en) *	1976-12-28	1980-02-26	Tokiwa Industrial Co., Ltd.	Rotary abrasive drilling bit
US4234048A (en) *	1978-06-12	1980-11-18	Christensen, Inc.	Drill bits embodying impregnated segments

1985
- 1985-03-04 CA CA000475707A patent/CA1248939A/en not_active Expired
- 1985-03-07 DE DE8585102568T patent/DE3577586D1/en not_active Expired - Lifetime
- 1985-03-07 EP EP85102568A patent/EP0154936B1/en not_active Expired
- 1985-03-14 NO NO851019A patent/NO167224C/en unknown
- 1985-03-15 JP JP60050665A patent/JPS60212588A/en active Pending

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3709308A (en) *	1970-12-02	1973-01-09	Christensen Diamond Prod Co	Diamond drill bits
US3885637A (en) *	1973-01-03	1975-05-27	Vladimir Ivanovich Veprintsev	Boring tools and method of manufacturing the same
US4190126A (en) *	1976-12-28	1980-02-26	Tokiwa Industrial Co., Ltd.	Rotary abrasive drilling bit
US4234048A (en) *	1978-06-12	1980-11-18	Christensen, Inc.	Drill bits embodying impregnated segments

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
OIL & GAS JOURNAL, vol. 82, no. 14, 2nd April 1984, pages 133-138, Tulsa, Oklahoma, US; J. WOOD: "Thermally stable cutters extend application of synthetic diamond bits to hard formations" *

Also Published As

Publication number	Publication date
NO167224C (en)	1991-10-16
EP0154936A2 (en)	1985-09-18
NO167224B (en)	1991-07-08
EP0154936B1 (en)	1990-05-09
CA1248939A (en)	1989-01-17
NO851019L (en)	1985-09-17
JPS60212588A (en)	1985-10-24
DE3577586D1 (en)	1990-06-13

Legal Events

Date	Code	Title	Description
1985-07-20	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1985-09-18	AK	Designated contracting states	Designated state(s): BE DE FR GB
1986-04-24	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1986-06-11	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE DE FR GB
1987-02-04	17P	Request for examination filed	Effective date: 19861204
1988-08-10	17Q	First examination report despatched	Effective date: 19880209
1989-01-25	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: EASTMAN CHRISTENSEN COMPANY
1990-03-24	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1990-05-09	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE DE FR GB
1990-06-13	REF	Corresponds to:	Ref document number: 3577586 Country of ref document: DE Date of ref document: 19900613
1990-06-15	ET	Fr: translation filed
1991-02-15	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19910215 Year of fee payment: 7
1991-03-07	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1991-03-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1991-03-21	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19910321 Year of fee payment: 7
1991-03-27	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19910327 Year of fee payment: 7
1991-04-24	26N	No opposition filed
1991-06-26	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: BE Payment date: 19910626 Year of fee payment: 7
1992-03-07	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19920307
1992-03-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: BE Effective date: 19920331
1992-09-30	BERE	Be: lapsed	Owner name: EASTMAN CHRISTENSEN CY Effective date: 19920331
1992-11-04	GBPC	Gb: european patent ceased through non-payment of renewal fee
1992-11-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19921130
1992-12-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19921201
1993-01-29	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST

Publication	Publication Date	Title
DE3570901D1 (en)	1989-07-13	Diamond drill bit with varied cutting elements
AU4021785A (en)	1985-10-03	Polycrystalline diamond drill bit
GB8528777D0 (en)	1985-12-24	Drill bit
DE3569957D1 (en)	1989-06-08	Rock drill bit
DE3573009D1 (en)	1989-10-19	Improvements in or relating to rotary drill bits
EP0177466A3 (en)	1987-01-14	Cutting element for drill bits
GB8926837D0 (en)	1990-01-17	Drill bit
GB8618979D0 (en)	1986-09-17	Drag-type drill bit
DE3569956D1 (en)	1989-06-08	Rotary drill bit with cutting elements having a thin abrasive front layer
EP0347602A3 (en)	1990-06-06	Rock drill bit rock drill bit
GB2154485B (en)	1988-02-03	Improvements in rotary drill bits
EP0154936A3 (en)	1986-06-11	An exposed polycrystalline diamond mounted in a matrix body drill bit
GB2153727B (en)	1988-05-25	A method of mounting a cutter in a drill bit body
ZA853605B (en)	1985-12-24	Rotary drill bit
GB2212190B (en)	1991-12-11	Improvements in cutting structures for rotary drill bits
GB2166776B (en)	1988-03-02	Improvements in downhole tools
GB2152557B (en)	1986-07-09	Rotary drill bit
GB2161850B (en)	1988-10-26	Improvements in or relating to rotary drill bits
IE841017L (en)	1985-10-26	A grinding device for sharpening drill bits
GB2155083B (en)	1987-06-24	Improved drill bit and cutter therefor
EP0236924A3 (en)	1989-02-08	Diamond setting in a cutting tooth in a drill bit with an increased effective diamond width
AR244385A1 (en)	1993-10-29	Rock bit
GB8428829D0 (en)	1984-12-27	Drill bit
GB8827879D0 (en)	1988-12-29	Drill bit
GB8511732D0 (en)	1985-06-19	Boring drill bit