CA2228156A1 - Trepan a cones roulants dans lequel le positionnement et les materiaux constitutifs de l'element de coupe sont perfectionnes pour optimiser la capacite de coupe angulaire dans le trou de forage - Google Patents

Trepan a cones roulants dans lequel le positionnement et les materiaux constitutifs de l'element de coupe sont perfectionnes pour optimiser la capacite de coupe angulaire dans le trou de forage

Info

Publication number
CA2228156A1
CA2228156A1 CA002228156A CA2228156A CA2228156A1 CA 2228156 A1 CA2228156 A1 CA 2228156A1 CA 002228156 A CA002228156 A CA 002228156A CA 2228156 A CA2228156 A CA 2228156A CA 2228156 A1 CA2228156 A1 CA 2228156A1
Authority
CA
Canada
Prior art keywords
cutter elements
cutting
duty
cutter
enhancements
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
CA002228156A
Other languages
English (en)
Other versions
CA2228156C (fr
Inventor
Gary Ray Portwood
Gary Edward Garcia
James Carl Minikus
Per Ivar Nese
Dennis Cisneros
Chris Edward Cawthorne
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
Individual
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
Priority claimed from US08/630,517 external-priority patent/US6390210B1/en
Application filed by Individual filed Critical Individual
Publication of CA2228156A1 publication Critical patent/CA2228156A1/fr
Application granted granted Critical
Publication of CA2228156C publication Critical patent/CA2228156C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B10/50—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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Control Of Metal Rolling (AREA)
CA002228156A 1996-04-10 1997-04-10 Trepan a cones roulants dans lequel le positionnement et les materiaux constitutifs de l'element de coupe sont perfectionnes pour optimiser la capacite de coupe angulaire dans le trou de forage Expired - Fee Related CA2228156C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/630,517 1996-04-10
US08/630,517 US6390210B1 (en) 1996-04-10 1996-04-10 Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty
US08/667,758 1996-06-21
US08/667,758 US5833020A (en) 1996-04-10 1996-06-21 Rolling cone bit with enhancements in cutter element placement and materials to optimize borehole corner cutting duty
PCT/US1997/005948 WO1997038205A1 (fr) 1996-04-10 1997-04-10 Trepan a cones roulants dans lequel le positionnement et les materiaux constitutifs de l'element de coupe sont perfectionnes pour optimiser la capacite de coupe angulaire dans le trou de forage

Publications (2)

Publication Number Publication Date
CA2228156A1 true CA2228156A1 (fr) 1997-10-16
CA2228156C CA2228156C (fr) 2006-08-22

Family

ID=27091174

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002228156A Expired - Fee Related CA2228156C (fr) 1996-04-10 1997-04-10 Trepan a cones roulants dans lequel le positionnement et les materiaux constitutifs de l'element de coupe sont perfectionnes pour optimiser la capacite de coupe angulaire dans le trou de forage

Country Status (5)

Country Link
AU (1) AU2725997A (fr)
CA (1) CA2228156C (fr)
GB (1) GB2319549B (fr)
SE (1) SE9800295L (fr)
WO (1) WO1997038205A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5979575A (en) * 1998-06-25 1999-11-09 Baker Hughes Incorporated Hybrid rock bit
GB2378725B (en) * 1998-11-20 2003-06-11 Smith International Earth boring bit
US6345673B1 (en) 1998-11-20 2002-02-12 Smith International, Inc. High offset bits with super-abrasive cutters
AU781290B2 (en) 2000-05-18 2005-05-12 Smith International, Inc. Rolling cone bit with elements fanned along the gage curve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353885A (en) * 1991-05-01 1994-10-11 Smith International, Inc. Rock bit
US5542485A (en) * 1993-07-08 1996-08-06 Baker Hughes Incorporated Earth-boring bit with improved cutting structure

Also Published As

Publication number Publication date
CA2228156C (fr) 2006-08-22
GB9802230D0 (en) 1998-04-01
GB2319549B (en) 2000-09-06
AU2725997A (en) 1997-10-29
GB2319549A (en) 1998-05-27
SE9800295D0 (sv) 1998-02-02
SE9800295L (sv) 1998-02-10
WO1997038205A1 (fr) 1997-10-16

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160411