GB2300437B - Improvements in or relating to cutting elements for rotary drill bits - Google Patents

Improvements in or relating to cutting elements for rotary drill bits

Info

Publication number
GB2300437B
GB2300437B GB9608172A GB9608172A GB2300437B GB 2300437 B GB2300437 B GB 2300437B GB 9608172 A GB9608172 A GB 9608172A GB 9608172 A GB9608172 A GB 9608172A GB 2300437 B GB2300437 B GB 2300437B
Authority
GB
United Kingdom
Prior art keywords
relating
cutting elements
drill bits
rotary drill
rotary
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
GB9608172A
Other versions
GB9608172D0 (en
GB2300437A (en
Inventor
Terry Richard Matthias
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.)
Camco Drilling Group Ltd
Original Assignee
Camco Drilling Group Ltd
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 GBGB9508892.8A external-priority patent/GB9508892D0/en
Application filed by Camco Drilling Group Ltd filed Critical Camco Drilling Group Ltd
Priority to GB9608172A priority Critical patent/GB2300437B/en
Publication of GB9608172D0 publication Critical patent/GB9608172D0/en
Publication of GB2300437A publication Critical patent/GB2300437A/en
Application granted granted Critical
Publication of GB2300437B publication Critical patent/GB2300437B/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

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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
GB9608172A 1995-05-02 1996-04-19 Improvements in or relating to cutting elements for rotary drill bits Expired - Fee Related GB2300437B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9608172A GB2300437B (en) 1995-05-02 1996-04-19 Improvements in or relating to cutting elements for rotary drill bits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9508892.8A GB9508892D0 (en) 1995-05-02 1995-05-02 Improvements in or relating to cutting elements for rotary drill bits
GB9608172A GB2300437B (en) 1995-05-02 1996-04-19 Improvements in or relating to cutting elements for rotary drill bits

Publications (3)

Publication Number Publication Date
GB9608172D0 GB9608172D0 (en) 1996-06-26
GB2300437A GB2300437A (en) 1996-11-06
GB2300437B true GB2300437B (en) 1998-07-22

Family

ID=26306962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9608172A Expired - Fee Related GB2300437B (en) 1995-05-02 1996-04-19 Improvements in or relating to cutting elements for rotary drill bits

Country Status (1)

Country Link
GB (1) GB2300437B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1026979S1 (en) 2020-12-03 2024-05-14 Us Synthetic Corporation Cutting tool

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6164394A (en) 1996-09-25 2000-12-26 Smith International, Inc. Drill bit with rows of cutters mounted to present a serrated cutting edge
GB2353551B (en) * 1996-09-25 2001-04-18 Smith International Cutting structure
US7726420B2 (en) 2004-04-30 2010-06-01 Smith International, Inc. Cutter having shaped working surface with varying edge chamfer
US20050247486A1 (en) * 2004-04-30 2005-11-10 Smith International, Inc. Modified cutters
USD924949S1 (en) 2019-01-11 2021-07-13 Us Synthetic Corporation Cutting tool
US11828109B2 (en) * 2021-06-07 2023-11-28 Baker Hughes Oilfield Operations Llc Cutting elements for earth-boring tools and related earth-boring tools and methods

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294069A (en) * 1994-10-15 1996-04-17 Camco Drilling Group Ltd Rotary drill bits

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294069A (en) * 1994-10-15 1996-04-17 Camco Drilling Group Ltd Rotary drill bits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1026979S1 (en) 2020-12-03 2024-05-14 Us Synthetic Corporation Cutting tool

Also Published As

Publication number Publication date
GB9608172D0 (en) 1996-06-26
GB2300437A (en) 1996-11-06

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Legal Events

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

Effective date: 20000419