EP0511547A3 - Rock bit - Google Patents

Rock bit Download PDF

Info

Publication number
EP0511547A3
EP0511547A3 EP19920106450 EP92106450A EP0511547A3 EP 0511547 A3 EP0511547 A3 EP 0511547A3 EP 19920106450 EP19920106450 EP 19920106450 EP 92106450 A EP92106450 A EP 92106450A EP 0511547 A3 EP0511547 A3 EP 0511547A3
Authority
EP
European Patent Office
Prior art keywords
rock bit
rock
bit
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.)
Granted
Application number
EP19920106450
Other versions
EP0511547A2 (en
EP0511547B1 (en
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
Publication of EP0511547A2 publication Critical patent/EP0511547A2/en
Publication of EP0511547A3 publication Critical patent/EP0511547A3/en
Application granted granted Critical
Publication of EP0511547B1 publication Critical patent/EP0511547B1/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
EP92106450A 1991-05-01 1992-04-14 Rock bit Expired - Lifetime EP0511547B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69390091A 1991-05-01 1991-05-01
US693900 1996-04-29

Publications (3)

Publication Number Publication Date
EP0511547A2 EP0511547A2 (en) 1992-11-04
EP0511547A3 true EP0511547A3 (en) 1993-04-14
EP0511547B1 EP0511547B1 (en) 1996-12-11

Family

ID=24786590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92106450A Expired - Lifetime EP0511547B1 (en) 1991-05-01 1992-04-14 Rock 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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7729895B2 (en) 2005-08-08 2010-06-01 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability
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
US7860696B2 (en) 2005-08-08 2010-12-28 Halliburton Energy Services, Inc. Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
US9493990B2 (en) 2004-03-02 2016-11-15 Halliburton Energy Services, Inc. Roller cone drill bits with optimized bearing structures

Families Citing this family (12)

* 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
US5351768A (en) * 1993-07-08 1994-10-04 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
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
AU781290B2 (en) * 2000-05-18 2005-05-12 Smith International, Inc. Rolling cone bit with elements fanned along the gage curve
US6374930B1 (en) 2000-06-08 2002-04-23 Smith International, Inc. Cutting structure for roller cone drill bits
RU2473770C1 (en) * 2011-10-05 2013-01-27 Дмитрий Юрьевич Сериков Drilling rock bit

Citations (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
FR2029550A1 (en) * 1969-01-28 1970-10-23 Dresser Ind
US3727705A (en) * 1972-01-21 1973-04-17 Hughes Tool Co Drill bit with improved gage compact arrangement

Patent Citations (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
FR2029550A1 (en) * 1969-01-28 1970-10-23 Dresser Ind
US3727705A (en) * 1972-01-21 1973-04-17 Hughes Tool Co Drill bit with improved gage compact arrangement

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9493990B2 (en) 2004-03-02 2016-11-15 Halliburton Energy Services, Inc. Roller cone drill bits with optimized bearing structures
US7729895B2 (en) 2005-08-08 2010-06-01 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability
US7778777B2 (en) 2005-08-08 2010-08-17 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
US7827014B2 (en) 2005-08-08 2010-11-02 Halliburton Energy Services, Inc. Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations
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
US7860696B2 (en) 2005-08-08 2010-12-28 Halliburton Energy Services, Inc. Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
US8145465B2 (en) 2005-08-08 2012-03-27 Halliburton Energy Services, Inc. Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools
US8296115B2 (en) 2005-08-08 2012-10-23 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
US8352221B2 (en) 2005-08-08 2013-01-08 Halliburton Energy Services, Inc. Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations
US8606552B2 (en) 2005-08-08 2013-12-10 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk

Also Published As

Publication number Publication date
CA2066296A1 (en) 1992-11-02
EP0511547A2 (en) 1992-11-04
NO921667L (en) 1992-11-02
EP0511547B1 (en) 1996-12-11
MX9201958A (en) 1992-11-01
NO921667D0 (en) 1992-04-29
DE69215746D1 (en) 1997-01-23

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