GB2362903B - Laminated and composite impregnated cutting structures for drill bits - Google Patents

Laminated and composite impregnated cutting structures for drill bits

Info

Publication number
GB2362903B
GB2362903B GB0111598A GB0111598A GB2362903B GB 2362903 B GB2362903 B GB 2362903B GB 0111598 A GB0111598 A GB 0111598A GB 0111598 A GB0111598 A GB 0111598A GB 2362903 B GB2362903 B GB 2362903B
Authority
GB
United Kingdom
Prior art keywords
laminated
drill bits
cutting structures
impregnated cutting
composite impregnated
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
GB0111598A
Other versions
GB2362903A (en
GB0111598D0 (en
Inventor
Roland Illerhaus
Gordon A Tibbitts
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 US09/583,241 external-priority patent/US6742611B1/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Priority to GB0224655A priority Critical patent/GB2377722B/en
Publication of GB0111598D0 publication Critical patent/GB0111598D0/en
Publication of GB2362903A publication Critical patent/GB2362903A/en
Application granted granted Critical
Publication of GB2362903B publication Critical patent/GB2362903B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Laminated Bodies (AREA)
GB0111598A 2000-05-30 2001-05-11 Laminated and composite impregnated cutting structures for drill bits Expired - Fee Related GB2362903B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0224655A GB2377722B (en) 2000-05-30 2001-05-11 Laminated and composite impregnated cutting structures for drill bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/583,241 US6742611B1 (en) 1998-09-16 2000-05-30 Laminated and composite impregnated cutting structures for drill bits

Publications (3)

Publication Number Publication Date
GB0111598D0 GB0111598D0 (en) 2001-07-04
GB2362903A GB2362903A (en) 2001-12-05
GB2362903B true GB2362903B (en) 2002-12-24

Family

ID=24332283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0111598A Expired - Fee Related GB2362903B (en) 2000-05-30 2001-05-11 Laminated and composite impregnated cutting structures for drill bits

Country Status (3)

Country Link
BE (1) BE1014945A3 (en)
GB (1) GB2362903B (en)
IT (1) ITTO20010510A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6823951B2 (en) * 2002-07-03 2004-11-30 Smith International, Inc. Arcuate-shaped inserts for drill bits

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128136A (en) * 1977-12-09 1978-12-05 Lamage Limited Drill bit
US6095265A (en) * 1997-08-15 2000-08-01 Smith International, Inc. Impregnated drill bits with adaptive matrix

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106973A (en) 1960-09-26 1963-10-15 Christensen Diamond Prod Co Rotary drill bits
US4234048A (en) 1978-06-12 1980-11-18 Christensen, Inc. Drill bits embodying impregnated segments
US5147001A (en) 1990-03-06 1992-09-15 Norton Company Drill bit cutting array having discontinuities therein
US5238074A (en) * 1992-01-06 1993-08-24 Baker Hughes Incorporated Mosaic diamond drag bit cutter having a nonuniform wear pattern
GB9310500D0 (en) 1993-05-21 1993-07-07 De Beers Ind Diamond Cutting tool
US6241036B1 (en) * 1998-09-16 2001-06-05 Baker Hughes Incorporated Reinforced abrasive-impregnated cutting elements, drill bits including same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128136A (en) * 1977-12-09 1978-12-05 Lamage Limited Drill bit
US6095265A (en) * 1997-08-15 2000-08-01 Smith International, Inc. Impregnated drill bits with adaptive matrix

Also Published As

Publication number Publication date
ITTO20010510A1 (en) 2002-11-29
ITTO20010510A0 (en) 2001-05-29
GB2362903A (en) 2001-12-05
GB0111598D0 (en) 2001-07-04
BE1014945A3 (en) 2004-07-06

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Legal Events

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

Effective date: 20150511