EP1006257A3 - Drehbohr-Fräsmeissel - Google Patents

Drehbohr-Fräsmeissel Download PDF

Info

Publication number: EP1006257A3
Authority: EP; European Patent Office
Prior art keywords: pads; bit; formation; disposed; outer profile
Prior art date: 1998-12-04
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

EP99309665A

Other languages

English (en)

French (fr)

Other versions

EP1006257A2 (de

EP1006257B1 (de

Inventor

Douglas Caraway

Robin Macmillan

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.)

ReedHycalog UK Ltd

Original Assignee

Camco 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.)

1998-12-04

Filing date

1999-12-01

Publication date

2000-09-13

1999-11-22 Priority claimed from US09/444,072 external-priority patent/US6193000B1/en

1999-11-22 Priority claimed from US09/447,059 external-priority patent/US6371226B1/en

1999-12-01 Application filed by Camco International Inc filed Critical Camco International Inc

2000-06-07 Publication of EP1006257A2 publication Critical patent/EP1006257A2/de

2000-09-13 Publication of EP1006257A3 publication Critical patent/EP1006257A3/de

2004-02-25 Application granted granted Critical

2004-02-25 Publication of EP1006257B1 publication Critical patent/EP1006257B1/de

2019-12-01 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000015572 biosynthetic process Effects 0.000 abstract 4
238000005755 formation reaction Methods 0.000 abstract 4
238000005553 drilling Methods 0.000 abstract 3
239000000463 material Substances 0.000 abstract 1
239000002245 particle Substances 0.000 abstract 1
230000035515 penetration Effects 0.000 abstract 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
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
- 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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Processing Of Stones Or Stones Resemblance Materials (AREA)
Earth Drilling (AREA)

EP99309665A 1998-12-04 1999-12-01 Drehbohr-Fräsmeissel Expired - Lifetime EP1006257B1 (de)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
US447059		1982-12-06
US11085398P	1998-12-04	1998-12-04
US110853P		1998-12-04
US09/444,072 US6193000B1 (en)	1999-11-22	1999-11-22	Drag-type rotary drill bit
US444072		1999-11-22
US09/447,059 US6371226B1 (en)	1998-12-04	1999-11-22	Drag-type rotary drill bit

Publications (3)

Publication Number	Publication Date
EP1006257A2 EP1006257A2 (de)	2000-06-07
EP1006257A3 true EP1006257A3 (de)	2000-09-13
EP1006257B1 EP1006257B1 (de)	2004-02-25

Family

ID=27380915

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP99309665A Expired - Lifetime EP1006257B1 (de)	1998-12-04	1999-12-01	Drehbohr-Fräsmeissel

Country Status (2)

Country	Link
EP (1)	EP1006257B1 (de)
DE (1)	DE69915009T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2770308C (en)	2009-08-07	2017-11-28	Smith International, Inc.	Diamond transition layer construction with improved thickness ratio
CN102648328B (zh)	2009-08-07	2015-02-18	史密斯国际有限公司	具有高的韧度和高的耐磨性的多晶金刚石材料
WO2011017625A2 (en)	2009-08-07	2011-02-10	Smith International, Inc.	Method of forming a thermally stable diamond cutting element
WO2011017607A2 (en)	2009-08-07	2011-02-10	Smith International, Inc.	Highly wear resistant diamond insert with improved transition structure
CA2770306A1 (en)	2009-08-07	2011-02-10	Smith International, Inc.	Functionally graded polycrystalline diamond insert
US9482056B2 (en)	2011-12-30	2016-11-01	Smith International, Inc.	Solid PCD cutter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1555163A (de) *	1968-02-23	1969-01-24
US4128136A (en) *	1977-12-09	1978-12-05	Lamage Limited	Drill bit
EP0314953A2 (de) *	1984-07-19	1989-05-10	Camco Drilling Group Limited	Drehbohrmeissel
EP0554568A2 (de) *	1992-01-06	1993-08-11	Baker Hughes Incorporated	Mosaik-"Drag-Bit"-Schneide mit ungleichem Verschleissprofil

1999
- 1999-12-01 EP EP99309665A patent/EP1006257B1/de not_active Expired - Lifetime
- 1999-12-01 DE DE69915009T patent/DE69915009T2/de not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1555163A (de) *	1968-02-23	1969-01-24
US4128136A (en) *	1977-12-09	1978-12-05	Lamage Limited	Drill bit
EP0314953A2 (de) *	1984-07-19	1989-05-10	Camco Drilling Group Limited	Drehbohrmeissel
EP0554568A2 (de) *	1992-01-06	1993-08-11	Baker Hughes Incorporated	Mosaik-"Drag-Bit"-Schneide mit ungleichem Verschleissprofil

Also Published As

Publication number	Publication date
DE69915009D1 (de)	2004-04-01
EP1006257A2 (de)	2000-06-07
DE69915009T2 (de)	2004-12-30
EP1006257B1 (de)	2004-02-25

Legal Events

Date	Code	Title	Description
2000-04-20	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
2000-06-07	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE DE FR GB IT
2000-06-07	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2000-07-28	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
2000-09-13	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2000-09-13	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2001-01-10	17P	Request for examination filed	Effective date: 20001115
2001-05-30	AKX	Designation fees paid	Free format text: BE DE FR GB IT
2003-01-29	17Q	First examination report despatched	Effective date: 20021212
2003-03-12	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: CAMCO INTERNATIONAL (UK) LTD.
2003-08-08	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2003-10-22	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
2004-01-09	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
2004-02-25	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE DE FR GB IT
2004-02-25	REG	Reference to a national code	Ref country code: GB Ref legal event code: FG4D
2004-04-01	REF	Corresponds to:	Ref document number: 69915009 Country of ref document: DE Date of ref document: 20040401 Kind code of ref document: P
2004-10-22	ET	Fr: translation filed
2004-12-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041201
2004-12-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041231
2004-12-31	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
2004-12-31	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
2005-02-16	26N	No opposition filed	Effective date: 20041126
2005-06-30	BERE	Be: lapsed	Owner name: CAMCO INTERNATIONAL (UK) LTD Effective date*: 20041231
2005-07-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050701
2005-07-20	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20041201
2005-08-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050831
2005-10-07	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2005-12-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051201
2007-12-31	BERE	Be: lapsed	Owner name: CAMCO INTERNATIONAL (UK) LTD Effective date*: 20041231

Publication	Publication Date	Title
US5752573A (en)	1998-05-19	Earth-boring bit having shear-cutting elements
US5186268A (en)	1993-02-16	Rotary drill bits
US5351768A (en)	1994-10-04	Earth-boring bit with improved cutting structure
EP0314953B1 (de)	1993-03-03	Drehbohrmeissel
US5542485A (en)	1996-08-06	Earth-boring bit with improved cutting structure
US5287936A (en)	1994-02-22	Rolling cone bit with shear cutting gage
US4553615A (en)	1985-11-19	Rotary drilling bits
US4570726A (en)	1986-02-18	Curved contact portion on engaging elements for rotary type drag bits
US6601661B2 (en)	2003-08-05	Secondary cutting structure
US5161627A (en)	1992-11-10	Attack tool insert with polycrystalline diamond layer
EP0658682B1 (de)	2002-06-12	Kaliberschneideinsatz für Rollenmeissel
US6065552A (en)	2000-05-23	Cutting elements with binderless carbide layer
US4511006A (en)	1985-04-16	Drill bit and method of use thereof
US5746280A (en)	1998-05-05	Earth-boring bit having shear-cutting inner row elements
EP0841463A2 (de)	1998-05-13	Vorgeformtes Schneidelement für Drehbohrmeissel
WO1994013932A1 (en)	1994-06-23	Cutting tool having hard tip with lobes
US6193000B1 (en)	2001-02-27	Drag-type rotary drill bit
US7886851B2 (en)	2011-02-15	Drill bit nozzle
CA1233168A (en)	1988-02-23	Hybrid rock bit
EP0874127A3 (de)	2000-08-02	Drehbohrmeissel mit Blättern und Düsen
US5979575A (en)	1999-11-09	Hybrid rock bit
US6371226B1 (en)	2002-04-16	Drag-type rotary drill bit
GB2138864A (en)	1984-10-31	Roller drill bits
EP1006257A3 (de)	2000-09-13	Drehbohr-Fräsmeissel
EP0605151A1 (de)	1994-07-06	Drehbohrmeissel mit Stabilisierungselementen