GB2367579B - Rotary drill bits for directional drilling exhibiting variable weight-on-bit cutting characteristics - Google Patents

Rotary drill bits for directional drilling exhibiting variable weight-on-bit cutting characteristics

Info

Publication number
GB2367579B
GB2367579B GB0129417A GB0129417A GB2367579B GB 2367579 B GB2367579 B GB 2367579B GB 0129417 A GB0129417 A GB 0129417A GB 0129417 A GB0129417 A GB 0129417A GB 2367579 B GB2367579 B GB 2367579B
Authority
GB
United Kingdom
Prior art keywords
drill bits
directional drilling
rotary drill
variable weight
bit cutting
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 - Fee Related
Application number
GB0129417A
Other versions
GB2367579A (en
GB0129417D0 (en
Inventor
Roger W Fincher
Christopher C Beuershausen
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes 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
Priority claimed from US08/925,525 external-priority patent/US6230828B1/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0129417D0 publication Critical patent/GB0129417D0/en
Publication of GB2367579A publication Critical patent/GB2367579A/en
Application granted granted Critical
Publication of GB2367579B publication Critical patent/GB2367579B/en
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
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • 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
    • E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
    • 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
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • E21B10/5735—Interface between the substrate and the cutting element
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1092—Gauge section of drill bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
GB0129417A 1997-09-08 1998-09-07 Rotary drill bits for directional drilling exhibiting variable weight-on-bit cutting characteristics Expired - Fee Related GB2367579B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/925,525 US6230828B1 (en) 1997-09-08 1997-09-08 Rotary drilling bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristics
GB9819300A GB2329203B (en) 1997-09-08 1998-09-07 Rotary drill bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristics

Publications (3)

Publication Number Publication Date
GB0129417D0 GB0129417D0 (en) 2002-01-30
GB2367579A GB2367579A (en) 2002-04-10
GB2367579B true GB2367579B (en) 2002-06-12

Family

ID=26314323

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0129417A Expired - Fee Related GB2367579B (en) 1997-09-08 1998-09-07 Rotary drill bits for directional drilling exhibiting variable weight-on-bit cutting characteristics
GB0129414A Expired - Fee Related GB2367578B (en) 1997-09-08 1998-09-07 Rotary bits for directional drilling exhibiting variable weight-on-bit cutting characteristics

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0129414A Expired - Fee Related GB2367578B (en) 1997-09-08 1998-09-07 Rotary bits for directional drilling exhibiting variable weight-on-bit cutting characteristics

Country Status (1)

Country Link
GB (2) GB2367579B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2417966A (en) 2004-08-16 2006-03-15 Halliburton Energy Serv Inc Roller cone drill bits with optimized bearing structure
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
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
CA2625012C (en) 2005-08-08 2016-05-03 Halliburton Energy Services, Inc. Methods and systems for design and/or selection of drilling equipment based on wellbore drilling simulations
RU2009127641A (en) * 2006-12-18 2011-01-27 Бейкер Хьюз Инкорпорейтед (Us) SUPERABRASIVE CUTTING ELEMENTS WITH INCREASED DURABILITY AND WEAR RESISTANCE AND THE DRILLING DEVICE EQUIPPED WITH THEM

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2300208A (en) * 1995-04-28 1996-10-30 Baker Hughes Inc Stress related placement of engineered superabrasive cutting elements on rotary drag bits

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2300208A (en) * 1995-04-28 1996-10-30 Baker Hughes Inc Stress related placement of engineered superabrasive cutting elements on rotary drag bits

Also Published As

Publication number Publication date
GB0129414D0 (en) 2002-01-30
GB2367579A (en) 2002-04-10
GB2367578B (en) 2002-06-12
GB0129417D0 (en) 2002-01-30
GB2367578A (en) 2002-04-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150907