GB2347957B - Cutter element adapted to withstand tensile stress - Google Patents

Cutter element adapted to withstand tensile stress

Info

Publication number
GB2347957B
GB2347957B GB0015238A GB0015238A GB2347957B GB 2347957 B GB2347957 B GB 2347957B GB 0015238 A GB0015238 A GB 0015238A GB 0015238 A GB0015238 A GB 0015238A GB 2347957 B GB2347957 B GB 2347957B
Authority
GB
United Kingdom
Prior art keywords
tensile stress
element adapted
cutter element
withstand tensile
withstand
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
GB0015238A
Other versions
GB2347957A (en
GB0015238D0 (en
Inventor
Gary Ray Portwood
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
Priority claimed from US08/668,109 external-priority patent/US5813485A/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0015238D0 publication Critical patent/GB0015238D0/en
Publication of GB2347957A publication Critical patent/GB2347957A/en
Application granted granted Critical
Publication of GB2347957B publication Critical patent/GB2347957B/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
    • E21B10/50—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)
  • 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)
  • Earth Drilling (AREA)
GB0015238A 1996-06-21 1997-06-19 Cutter element adapted to withstand tensile stress Expired - Fee Related GB2347957B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/668,109 US5813485A (en) 1996-06-21 1996-06-21 Cutter element adapted to withstand tensile stress
GB9826995A GB2330852B (en) 1996-06-21 1997-06-19 Cutter element adapted to withstand tensile stress

Publications (3)

Publication Number Publication Date
GB0015238D0 GB0015238D0 (en) 2000-08-16
GB2347957A GB2347957A (en) 2000-09-20
GB2347957B true GB2347957B (en) 2000-11-08

Family

ID=26314803

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0015238A Expired - Fee Related GB2347957B (en) 1996-06-21 1997-06-19 Cutter element adapted to withstand tensile stress

Country Status (1)

Country Link
GB (1) GB2347957B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6510906B1 (en) * 1999-11-29 2003-01-28 Baker Hughes Incorporated Impregnated bit with PDC cutters in cone area
US6843333B2 (en) 1999-11-29 2005-01-18 Baker Hughes Incorporated Impregnated rotary drag bit
US7549490B2 (en) 2005-11-23 2009-06-23 Smith International, Inc. Arrangement of roller cone inserts
US7730976B2 (en) 2007-10-31 2010-06-08 Baker Hughes Incorporated Impregnated rotary drag bit and related methods

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334586A (en) * 1980-06-05 1982-06-15 Reed Rock Bit Company Inserts for drilling bits
US5579856A (en) * 1995-06-05 1996-12-03 Dresser Industries, Inc. Gage surface and method for milled tooth cutting structure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334586A (en) * 1980-06-05 1982-06-15 Reed Rock Bit Company Inserts for drilling bits
US5579856A (en) * 1995-06-05 1996-12-03 Dresser Industries, Inc. Gage surface and method for milled tooth cutting structure

Also Published As

Publication number Publication date
GB2347957A (en) 2000-09-20
GB0015238D0 (en) 2000-08-16

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Legal Events

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

Effective date: 20150619