NO921667L - Borkrone - Google Patents

Borkrone

Info

Publication number: NO921667L
Authority: NO; Norway
Prior art keywords: drill bit; drill; bit
Prior art date: 1991-05-01

Application number

NO92921667A

Other languages

English (en)

Other versions

NO921667D0 (no

Inventor

David P Crockett

Michael E Hooper

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.)

1991-05-01

Filing date

1992-04-29

Publication date

1992-11-02

1992-04-29 Application filed by Smith International filed Critical Smith International

1992-04-29 Publication of NO921667D0 publication Critical patent/NO921667D0/no

1992-11-02 Publication of NO921667L publication Critical patent/NO921667L/no

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
- E21B10/08—Roller bits
- E21B10/16—Roller bits characterised by tooth form or arrangement
- 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

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)
Earth Drilling (AREA)

NO92921667A 1991-05-01 1992-04-29 Borkrone NO921667L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US69390091A	1991-05-01	1991-05-01

Publications (2)

Publication Number	Publication Date
NO921667D0 NO921667D0 (no)	1992-04-29
NO921667L true NO921667L (no)	1992-11-02

Family

ID=24786590

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO92921667A NO921667L (no)	1991-05-01	1992-04-29	Borkrone

Country Status (5)

Country	Link
EP (1)	EP0511547B1 (no)
CA (1)	CA2066296A1 (no)
DE (1)	DE69215746D1 (no)
MX (1)	MX9201958A (no)
NO (1)	NO921667L (no)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5323865A (en) *	1992-09-23	1994-06-28	Baker Hughes Incorporated	Earth-boring bit with an advantageous insert cutting structure
US5341890A (en) *	1993-01-08	1994-08-30	Smith International, Inc.	Ultra hard insert cutters for heel row rotary cone rock bit applications
US5668092A (en) *	1993-04-07	1997-09-16	Smith International, Inc.	Rock bit grease composition
US5542485A (en) *	1993-07-08	1996-08-06	Baker Hughes Incorporated	Earth-boring bit with improved cutting structure
US5819861A (en) *	1993-07-08	1998-10-13	Baker Hughes Incorporated	Earth-boring bit with improved cutting structure
US5351768A (en) *	1993-07-08	1994-10-04	Baker Hughes Incorporated	Earth-boring bit with improved cutting structure
US5589443A (en) *	1995-12-21	1996-12-31	Smith International, Inc.	Rock bit grease composition
SE523853C2 (sv)	1997-06-30	2004-05-25	Smith International	Borrkrona med stora insatser
US7334652B2 (en)	1998-08-31	2008-02-26	Halliburton Energy Services, Inc.	Roller cone drill bits with enhanced cutting elements and cutting structures
US20040045742A1 (en)	2001-04-10	2004-03-11	Halliburton Energy Services, Inc.	Force-balanced roller-cone bits, systems, drilling methods, and design methods
GB2362905B (en) *	2000-05-18	2004-09-15	Smith International	Earth-boring bit
US6374930B1 (en) *	2000-06-08	2002-04-23	Smith International, Inc.	Cutting structure for roller cone drill bits
US7434632B2 (en)	2004-03-02	2008-10-14	Halliburton Energy Services, Inc.	Roller cone drill bits with enhanced drilling stability and extended life of associated bearings and seals
US7360612B2 (en)	2004-08-16	2008-04-22	Halliburton Energy Services, Inc.	Roller cone drill bits with optimized bearing structures
US7860693B2 (en)	2005-08-08	2010-12-28	Halliburton Energy Services, Inc.	Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
GB2482851B (en)	2005-08-08	2012-04-04	Haliburton Energy Services Inc	Computer-implemented method for designing a rotary drill bit with a desired bit walk rate
WO2009079371A1 (en)	2007-12-14	2009-06-25	Halliburton Energy Services, Inc.	Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
RU2427700C1 (ru) *	2010-07-29	2011-08-27	Дмитрий Юрьевич Сериков	Буровое шарошечное долото
RU2425945C1 (ru) *	2010-07-29	2011-08-10	Дмитрий Юрьевич Сериков	Буровое трехшарошечное долото
RU2473770C1 (ru) *	2011-10-05	2013-01-27	Дмитрий Юрьевич Сериков	Буровое шарошечное долото

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2990025A (en) *	1958-06-16	1961-06-27	Dresser Ind	Bit
CA938605A (en) *	1969-01-28	1973-12-18	Dresser Industries	Soft formation insert bits
US3727705A (en) *	1972-01-21	1973-04-17	Hughes Tool Co	Drill bit with improved gage compact arrangement

1992
- 1992-04-14 EP EP92106450A patent/EP0511547B1/en not_active Expired - Lifetime
- 1992-04-14 DE DE69215746T patent/DE69215746D1/de not_active Expired - Lifetime
- 1992-04-16 CA CA002066296A patent/CA2066296A1/en not_active Abandoned
- 1992-04-28 MX MX9201958A patent/MX9201958A/es unknown
- 1992-04-29 NO NO92921667A patent/NO921667L/no unknown

Also Published As

Publication number	Publication date
EP0511547A3 (en)	1993-04-14
CA2066296A1 (en)	1992-11-02
EP0511547A2 (en)	1992-11-04
DE69215746D1 (de)	1997-01-23
EP0511547B1 (en)	1996-12-11
MX9201958A (es)	1992-11-01
NO921667D0 (no)	1992-04-29

Publication	Publication Date	Title
NO920065D0 (no)	1992-01-06	Borkrone
FI915544A7 (fi)	1993-03-28	Poranterä
NO932261D0 (no)	1993-06-18	Borkrone
DE59206785D1 (de)	1996-08-22	Bohrhammer
DE59205823D1 (de)	1996-05-02	Bohrfutter
ITMI921958A0 (it)	1992-08-07	Trivellatrice mobile
DE69108019D1 (de)	1995-04-13	Bohrwerkzeug.
DE69308718D1 (de)	1997-04-17	Rollenbohrmeissel
DE69407381D1 (de)	1998-01-29	Felsbohrgerät
DE59408638D1 (de)	1999-09-23	Gesteinsbohrer
FI924246A7 (fi)	1993-03-24	Kallioporakone
DE69205830D1 (de)	1995-12-07	Bohrmeissel.
NO921667D0 (no)	1992-04-29	Borkrone
NO940611L (no)	1994-02-23	Kjerne-borkrone
FI943442L (fi)	1994-07-20	Kalliopora
DE69218513D1 (de)	1997-04-30	Hohlbohrer
DE59307989D1 (de)	1998-02-19	Gesteinsbohrer
FI900695A7 (fi)	1990-08-14	Poran terä
FI924072A7 (fi)	1992-09-11	Kulborrverktyg
DE59207153D1 (de)	1996-10-24	Bohrmeissel
NO914651D0 (no)	1991-11-27	Borkrone
NO941375D0 (no)	1994-04-15	Borkrone
FI931623L (fi)	1993-10-10	Bergborrningsanordning
ITMI921957A1 (it)	1994-02-07	Trivellatrice
FI892721A7 (fi)	1989-12-04	Poranterä