DE69215746D1 - Rock drill bit - Google Patents

Rock drill bit

Info

Publication number
DE69215746D1
DE69215746D1 DE69215746T DE69215746T DE69215746D1 DE 69215746 D1 DE69215746 D1 DE 69215746D1 DE 69215746 T DE69215746 T DE 69215746T DE 69215746 T DE69215746 T DE 69215746T DE 69215746 D1 DE69215746 D1 DE 69215746D1
Authority
DE
Germany
Prior art keywords
drill bit
rock drill
rock
bit
drill
Prior art date
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.)
Expired - Lifetime
Application number
DE69215746T
Other languages
German (de)
Inventor
David P Crockett
Michael E Hooper
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.)
Smith International Inc
Original Assignee
Smith 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.)
Filing date
Publication date
Application filed by Smith International Inc filed Critical Smith International Inc
Application granted granted Critical
Publication of DE69215746D1 publication Critical patent/DE69215746D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/50—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
DE69215746T 1991-05-01 1992-04-14 Rock drill bit Expired - Lifetime DE69215746D1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE69215746D1 true DE69215746D1 (en) 1997-01-23

Family

ID=24786590

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215746T Expired - Lifetime DE69215746D1 (en) 1991-05-01 1992-04-14 Rock drill bit

Country Status (5)

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

Families Citing this family (16)

* 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
US5819861A (en) * 1993-07-08 1998-10-13 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US5542485A (en) * 1993-07-08 1996-08-06 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 (en) 1997-06-30 2004-05-25 Smith International Drill bit with large inserts
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
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
WO2007019471A1 (en) 2005-08-08 2007-02-15 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability
BRPI0821259A2 (en) 2007-12-14 2015-06-16 Halliburton Energy Serv Inc Methods and systems for predicting rotary drill bit advance and for designing rotary drill bits and other downhole tools.
RU2473770C1 (en) * 2011-10-05 2013-01-27 Дмитрий Юрьевич Сериков Drilling rock bit

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

Also Published As

Publication number Publication date
NO921667D0 (en) 1992-04-29
NO921667L (en) 1992-11-02
EP0511547A3 (en) 1993-04-14
EP0511547B1 (en) 1996-12-11
CA2066296A1 (en) 1992-11-02
MX9201958A (en) 1992-11-01
EP0511547A2 (en) 1992-11-04

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Legal Events

Date Code Title Description
8332 No legal effect for de