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GB2379699B - Rotary drill bits employing continuous variable cutter backrake angles - Google Patents

Rotary drill bits employing continuous variable cutter backrake angles

Info

Publication number
GB2379699B
GB2379699B GB0228700A GB0228700A GB2379699B GB 2379699 B GB2379699 B GB 2379699B GB 0228700 A GB0228700 A GB 0228700A GB 0228700 A GB0228700 A GB 0228700A GB 2379699 B GB2379699 B GB 2379699B
Authority
GB
United Kingdom
Prior art keywords
drill bits
continuous variable
rotary drill
employing continuous
backrake angles
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
GB0228700A
Other versions
GB0228700D0 (en
GB2379699A (en
Inventor
Matthew J Meiners
Jeffrey B Lund
Thomas M Harris
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 US09/730,983 external-priority patent/US6536543B2/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0228700D0 publication Critical patent/GB0228700D0/en
Publication of GB2379699A publication Critical patent/GB2379699A/en
Application granted granted Critical
Publication of GB2379699B publication Critical patent/GB2379699B/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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
GB0228700A 2000-12-06 2001-12-05 Rotary drill bits employing continuous variable cutter backrake angles Expired - Fee Related GB2379699B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/730,983 US6536543B2 (en) 2000-12-06 2000-12-06 Rotary drill bits exhibiting sequences of substantially continuously variable cutter backrake angles
GB0129151A GB2369844B (en) 2000-12-06 2001-12-05 Rotary drill bits employing variable cutter backrake angles

Publications (3)

Publication Number Publication Date
GB0228700D0 GB0228700D0 (en) 2003-01-15
GB2379699A GB2379699A (en) 2003-03-19
GB2379699B true GB2379699B (en) 2003-08-27

Family

ID=26246837

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0228700A Expired - Fee Related GB2379699B (en) 2000-12-06 2001-12-05 Rotary drill bits employing continuous variable cutter backrake angles

Country Status (1)

Country Link
GB (1) GB2379699B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6785641B1 (en) 2000-10-11 2004-08-31 Smith International, Inc. Simulating the dynamic response of a drilling tool assembly and its application to drilling tool assembly design optimization and drilling performance optimization
US9482055B2 (en) 2000-10-11 2016-11-01 Smith International, Inc. Methods for modeling, designing, and optimizing the performance of drilling tool assemblies
US7020597B2 (en) 2000-10-11 2006-03-28 Smith International, Inc. Methods for evaluating and improving drilling operations
US7693695B2 (en) 2000-03-13 2010-04-06 Smith International, Inc. Methods for modeling, displaying, designing, and optimizing fixed cutter bits
US8589124B2 (en) 2000-08-09 2013-11-19 Smith International, Inc. Methods for modeling wear of fixed cutter bits and for designing and optimizing fixed cutter bits
GB2419015A (en) 2003-07-09 2006-04-12 Smith International Methods for modeling designing, and optimizing the performance of drilling tool assemblies
US7831419B2 (en) 2005-01-24 2010-11-09 Smith International, Inc. PDC drill bit with cutter design optimized with dynamic centerline analysis having an angular separation in imbalance forces of 180 degrees for maximum time
US7441612B2 (en) 2005-01-24 2008-10-28 Smith International, Inc. PDC drill bit using optimized side rake angle
US11016466B2 (en) 2015-05-11 2021-05-25 Schlumberger Technology Corporation Method of designing and optimizing fixed cutter drill bits using dynamic cutter velocity, displacement, forces and work

Also Published As

Publication number Publication date
GB0228700D0 (en) 2003-01-15
GB2379699A (en) 2003-03-19

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Legal Events

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

Effective date: 20151205