NO871037L - Borkrone. - Google Patents

Borkrone.

Info

Publication number: NO871037L
Authority: NO; Norway
Prior art keywords: bit
Prior art date: 1986-03-13

Application number

NO871037A

Other languages

English (en)

Norwegian (no)

Other versions

NO871037D0 (no

Inventor

George Fyfe

Kenneth William Jones

Original Assignee

Smith International

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.)

1986-03-13

Filing date

1987-03-13

Publication date

1987-09-14

1987-03-13 Application filed by Smith International filed Critical Smith International

1987-03-13 Publication of NO871037D0 publication Critical patent/NO871037D0/no

1987-09-14 Publication of NO871037L publication Critical patent/NO871037L/no

Links

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
- E21B10/5673—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 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
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- 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
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
- 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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

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)
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)

NO871037A 1986-03-13 1987-03-13 Borkrone. NO871037L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US83943486A	1986-03-13	1986-03-13

Publications (2)

Publication Number	Publication Date
NO871037D0 NO871037D0 (no)	1987-03-13
NO871037L true NO871037L (no)	1987-09-14

Family

ID=25279716

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO871037A NO871037L (no)	1986-03-13	1987-03-13	Borkrone.

Country Status (6)

Country	Link
EP (1)	EP0237359A3 (de)
AU (1)	AU590826B2 (de)
BR (1)	BR8701601A (de)
CA (1)	CA1260923A (de)
MX (1)	MX161103A (de)
NO (1)	NO871037L (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4846290A (en) *	1986-03-13	1989-07-11	Smith International, Inc.	Underreamer with revolving diamond cutter elements
EP0370199A1 (de) *	1988-10-25	1990-05-30	General Electric Company	Bohrmeissel mit polykristallinem Diamantsand
DE9206657U1 (de) *	1992-05-15	1993-09-16	Töpfer, Rainer, 28870 Ottersberg	Rotationswerkzeug mit Hartmetalleinsätzen
JPH10508666A (ja) *	1994-10-14	1998-08-25	ケンナメタルインコーポレイテッド	凹形カッタビット
US5678645A (en) *	1995-11-13	1997-10-21	Baker Hughes Incorporated	Mechanically locked cutters and nozzles

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1533286A (en) *	1924-06-09	1925-04-14	Harry P Wickersham	Well-drilling bit
US3830321A (en) *	1973-02-20	1974-08-20	Kennametal Inc	Excavating tool and a bit for use therewith
GB1584752A (en) *	1977-05-25	1981-02-18	Transport Secretary Of State F	Rock cutting tools
US4253533A (en) *	1979-11-05	1981-03-03	Smith International, Inc.	Variable wear pad for crossflow drag bit
US4448269A (en) *	1981-10-27	1984-05-15	Hitachi Construction Machinery Co., Ltd.	Cutter head for pit-boring machine
CA1216158A (en) *	1981-11-09	1987-01-06	Akio Hara	Composite compact component and a process for the production of the same
CA1194857A (en) *	1982-02-20	1985-10-08	Nl Industries, Inc.	Rotary drilling bits
GB8428829D0 (en) *	1984-11-15	1984-12-27	Brown K M	Drill bit

1987
- 1987-03-13 BR BR8701601A patent/BR8701601A/pt unknown
- 1987-03-13 CA CA000531987A patent/CA1260923A/en not_active Expired
- 1987-03-13 MX MX875580A patent/MX161103A/es unknown
- 1987-03-13 NO NO871037A patent/NO871037L/no unknown
- 1987-03-13 EP EP87302180A patent/EP0237359A3/de not_active Withdrawn
- 1987-03-13 AU AU69985/87A patent/AU590826B2/en not_active Ceased

Also Published As

Publication number	Publication date
EP0237359A3 (de)	1988-11-23
EP0237359A2 (de)	1987-09-16
MX161103A (es)	1990-07-31
AU590826B2 (en)	1989-11-16
BR8701601A (pt)	1988-01-12
NO871037D0 (no)	1987-03-13
CA1260923A (en)	1989-09-26
AU6998587A (en)	1987-09-17

Publication	Publication Date	Title
ATE70057T1 (de)	1991-12-15	Antitumormittel.
DE3775679D1 (de)	1992-02-13	Vernebler.
DE3767169D1 (de)	1991-02-14	Sportschuh.
ATE57924T1 (de)	1990-11-15	3-aryloxy-3-substituierte-propanamine.
FI864178A0 (fi)	1986-10-16	Motionsdryckspulver.
FI874365A0 (fi)	1987-10-05	Korrugerat hylsdon foer plastroer.
DE3764043D1 (de)	1990-09-06	Alkylendiamine.
ATE63533T1 (de)	1991-06-15	Xylolisomerisierung.
DE3779761D1 (de)	1992-07-16	Abseilgeraet.
FI874262A0 (fi)	1987-09-29	Vattenloeslig glyfosatpulversammansaettning.
DE3778190D1 (de)	1992-05-21	Substituierte indolochinoxaline.
DE3771918D1 (de)	1991-09-12	Chinolinamide.
DE3773636D1 (de)	1991-11-14	Saeurebeschleunigte hydrocarboxilierung.
DE3764006D1 (de)	1990-09-06	Substituierte aminoxypropanoate.
DE3771271D1 (de)	1991-08-14	Fluorphthalimide.
FI882269A (fi)	1988-05-13	Duschskaop.
DE3766420D1 (de)	1991-01-10	Bestimmte 3-benzoyl-3-oxolactame.
FI873455A (fi)	1988-02-12	Rengoeringsolja foer kroppen.
NO870405D0 (no)	1987-02-02	Senkeboremaskin.
DE3779382D1 (de)	1992-07-02	3-6-diphenylpyridazine.
DE3766279D1 (de)	1991-01-03	Substituierte aminoxypropionamide.
DE3763648D1 (de)	1990-08-16	Rollski.
NO871037L (no)	1987-09-14	Borkrone.
NO892223D0 (no)	1989-06-01	Borkrone.
DE3766410D1 (de)	1991-01-10	Methylalkylcyclosiloxane.