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
Grant status
Grant
Patent type
Prior art keywords
drill bits
rotary drill
directional drilling
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 Inc
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
Grant date

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/42Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E21B10/43Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55Drill 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 with blades having preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button type inserts
    • E21B10/567Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button type inserts
    • E21B10/567Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details
    • E21B10/5735Interface between the substrate and the cutting element
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods ; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1092Gauge section of drill bits
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)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08925525 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 true 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
US7360612B2 (en) 2004-08-16 2008-04-22 Halliburton Energy Services, Inc. Roller cone drill bits with optimized bearing structures
CA2625009C (en) 2005-08-08 2016-12-20 Halliburton Energy Services, Inc. Methods and systems for designing and/or selecting drilling equipment using predictions of rotary drill bit walk
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
RU2009127641A (en) * 2006-12-18 2011-01-27 Бейкер Хьюз Инкорпорейтед (Us) Superabrasive cutting elements with improved durability and wear resistance of the drill and fitted with the device
CA2706343C (en) 2007-12-14 2016-08-23 Halliburton Energy Services, Inc. Methods and systems to predict rotary drill bit walk and to design rotary drill bits and other downhole tools

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 Type
GB2367579A (en) 2002-04-10 application
GB2367578B (en) 2002-06-12 grant
GB0129414D0 (en) 2002-01-30 grant
GB2367578A (en) 2002-04-10 application
GB0129417D0 (en) 2002-01-30 grant

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Legal Events

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

Effective date: 20150907