NO910866D0 - Bit. - Google Patents

Bit.

Info

Publication number: NO910866D0
Authority: NO; Norway
Prior art keywords: bit
Prior art date: 1990-03-06

Application number

NO910866A

Other languages

Norwegian (no)

Other versions

NO910866L (en

Inventor

Jacob Chow

Ralph M Horton

Mark L Jones

Original Assignee

Norton Co

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.)

1990-03-06

Filing date

1991-03-05

Publication date

1991-03-05

1991-03-05 Application filed by Norton Co filed Critical Norton Co

1991-03-05 Publication of NO910866D0 publication Critical patent/NO910866D0/en

1991-09-09 Publication of NO910866L publication Critical patent/NO910866L/en

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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
- E21B10/485—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type with inserts in form of chisels, blades or the like

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)

NO91910866A 1990-03-06 1991-03-05 Bit. NO910866L (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US49004190A	1990-03-06	1990-03-06

Publications (2)

Publication Number	Publication Date
NO910866D0 true NO910866D0 (en)	1991-03-05
NO910866L NO910866L (en)	1991-09-09

Family

ID=23946370

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO91910866A NO910866L (en)	1990-03-06	1991-03-05	Bit.

Country Status (5)

Country	Link
EP (1)	EP0446765B1 (en)
AU (1)	AU640749B2 (en)
CA (1)	CA2037480A1 (en)
DE (1)	DE69109160T2 (en)
NO (1)	NO910866L (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6883624B2 (en)	2003-01-31	2005-04-26	Smith International, Inc.	Multi-lobed cutter element for drill bit
US6929079B2 (en)	2003-02-21	2005-08-16	Smith International, Inc.	Drill bit cutter element having multiple cusps
US7690442B2 (en)	2005-05-17	2010-04-06	Smith International, Inc.	Drill bit and cutting inserts for hard/abrasive formations
US7757789B2 (en)	2005-06-21	2010-07-20	Smith International, Inc.	Drill bit and insert having bladed interface between substrate and coating
US7743855B2 (en)	2006-09-05	2010-06-29	Smith International, Inc.	Drill bit with cutter element having multifaceted, slanted top cutting surface
US7798258B2 (en)	2007-01-03	2010-09-21	Smith International, Inc.	Drill bit with cutter element having crossing chisel crests
US8205692B2 (en)	2007-01-03	2012-06-26	Smith International, Inc.	Rock bit and inserts with a chisel crest having a broadened region
US7631709B2 (en)	2007-01-03	2009-12-15	Smith International, Inc.	Drill bit and cutter element having chisel crest with protruding pilot portion
US7686106B2 (en)	2007-01-03	2010-03-30	Smith International, Inc.	Rock bit and inserts with wear relief grooves
US8607899B2 (en)	2011-02-18	2013-12-17	National Oilwell Varco, L.P.	Rock bit and cutter teeth geometries
US20140183798A1 (en)	2012-12-28	2014-07-03	Smith International, Inc.	Manufacture of cutting elements having lobes
WO2015171199A1 (en) *	2014-03-11	2015-11-12	Varel International Ind., L.P.	Short matrix drill bits and methodologies for manufacturing short matrix drill bits
CA3011347A1 (en)	2016-01-13	2017-07-20	Schlumberger Canada Limited	Angled chisel insert

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0233851B1 (en) *	1986-02-19	1990-11-28	Strata Bit Corporation	Cutting element comprising a composite brazed to a stud

1991
- 1991-03-04 CA CA002037480A patent/CA2037480A1/en not_active Abandoned
- 1991-03-05 NO NO91910866A patent/NO910866L/en unknown
- 1991-03-05 DE DE69109160T patent/DE69109160T2/en not_active Expired - Fee Related
- 1991-03-05 EP EP91103334A patent/EP0446765B1/en not_active Expired - Lifetime
- 1991-03-05 AU AU72617/91A patent/AU640749B2/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
DE69109160D1 (en)	1995-06-01
AU7261791A (en)	1991-09-12
EP0446765B1 (en)	1995-04-26
AU640749B2 (en)	1993-09-02
EP0446765A1 (en)	1991-09-18
CA2037480A1 (en)	1991-09-07
NO910866L (en)	1991-09-09
DE69109160T2 (en)	1995-08-31

Publication	Publication Date	Title
NO912154L (en)	1992-01-27	Bit.
NO905093L (en)	1991-05-27	Bit.
NO900814L (en)	1990-08-22	Bit.
NO904132L (en)	1991-03-25	Bit.
FI900612A0 (en)	1990-02-07	HOEGFREKVENSFILTER.
NO905094D0 (en)	1990-11-26	Bit.
NO912592L (en)	1992-01-13	Bit.
DE59104528D1 (en)	1995-03-23	Hand drill.
NO910866L (en)	1991-09-09	Bit.
FI914509A0 (en)	1991-09-25	FAERGANORDNING FOER EN DJUPTRYCKSMASKIN.
NO900662L (en)	1990-08-14	Bit.
FI923652A0 (en)	1992-08-14	FLYTANDE RENGOERINGSPRODUKTER.
FI900793A0 (en)	1990-02-16	STYRENHET.
FI906123L (en)	1991-07-30	NOW UTTRYCKNINGSSYSTEM FOER SVAMPAR.
FI901257L (en)	1991-09-15	MAETCELL.
FI912928A0 (en)	1991-06-17	GASLEDNINGSSYSTEM.
FI900209A0 (en)	1990-01-15	KOPPLINGSSYSTEM FOER ROEKDETEKTORENHETER. KYTKENTAEJAERJESTELY. ROEKDETEKTORENHETER.
FI900060L (en)	1991-07-06	VINSTFOERDELNINGSPORT FOER EN SPELANORDNING.
FI900919A0 (en)	1990-02-23	ANORDNING FOER MURNING.
FI900186A0 (en)	1990-01-12	LUFTKNIV.
FI901110A0 (en)	1990-03-05	INSEKTSSKAERM.
FI901211A0 (en)	1990-03-12	SEXKANTHAOLNYCKEL.
FI901000A7 (en)	1991-08-29	HAENGTAELLNINGENS TAKUPPHAENGNING.
FI901070A0 (en)	1990-03-02	SJAELVHAEFTANDE BYGGNADSBLOCK.
FI901143A0 (en)	1990-03-07	AUTOMATISK NOEDUTLOESA FOER EN SAEKERHETSSELENS.