GB2350381B - Preform cutting elements for rotary drill bits - Google Patents

Preform cutting elements for rotary drill bits

Info

Publication number
GB2350381B
GB2350381B GB0010226A GB0010226A GB2350381B GB 2350381 B GB2350381 B GB 2350381B GB 0010226 A GB0010226 A GB 0010226A GB 0010226 A GB0010226 A GB 0010226A GB 2350381 B GB2350381 B GB 2350381B
Authority
GB
United Kingdom
Prior art keywords
cutting elements
drill bits
rotary drill
preform cutting
preform
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 - Lifetime
Application number
GB0010226A
Other versions
GB0010226D0 (en
GB2350381A (en
Inventor
Nigel Dennis Griffin
Dean Travers Watson
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.)
ReedHycalog UK Ltd
Original Assignee
Camco International UK 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
Application filed by Camco International UK Ltd filed Critical Camco International UK Ltd
Publication of GB0010226D0 publication Critical patent/GB0010226D0/en
Publication of GB2350381A publication Critical patent/GB2350381A/en
Application granted granted Critical
Publication of GB2350381B publication Critical patent/GB2350381B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/56—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
    • 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
    • E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • E21B10/5735—Interface between the substrate and the cutting element
GB0010226A 1999-05-14 2000-04-28 Preform cutting elements for rotary drill bits Expired - Lifetime GB2350381B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9911139.5A GB9911139D0 (en) 1999-05-14 1999-05-14 Preform cutting elemenys for rotary drill bits

Publications (3)

Publication Number Publication Date
GB0010226D0 GB0010226D0 (en) 2000-06-14
GB2350381A GB2350381A (en) 2000-11-29
GB2350381B true GB2350381B (en) 2003-06-11

Family

ID=10853403

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9911139.5A Ceased GB9911139D0 (en) 1999-05-14 1999-05-14 Preform cutting elemenys for rotary drill bits
GB0010226A Expired - Lifetime GB2350381B (en) 1999-05-14 2000-04-28 Preform cutting elements for rotary drill bits

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9911139.5A Ceased GB9911139D0 (en) 1999-05-14 1999-05-14 Preform cutting elemenys for rotary drill bits

Country Status (3)

Country Link
EP (1) EP1052367B1 (en)
DE (1) DE60019189T2 (en)
GB (2) GB9911139D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927159A (en) * 2016-06-08 2016-09-07 莱州市原野科技有限公司 Polycrystalline diamond compact (PDC) bit

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1745450A4 (en) * 2004-02-18 2008-10-08 Hoana Medical Inc Method and system for integrating a passive sensor array with a mattress for patient monitoring
US8887839B2 (en) 2009-06-25 2014-11-18 Baker Hughes Incorporated Drill bit for use in drilling subterranean formations
EP2452036A2 (en) 2009-07-08 2012-05-16 Baker Hughes Incorporated Cutting element and method of forming thereof
EP2452037A2 (en) 2009-07-08 2012-05-16 Baker Hughes Incorporated Cutting element for a drill bit used in drilling subterranean formations
WO2011017115A2 (en) 2009-07-27 2011-02-10 Baker Hughes Incorporated Abrasive article and method of forming
MX2012012764A (en) 2010-05-03 2013-04-19 Baker Hughes Inc Cutting elements, earth-boring tools, and methods of forming such cutting elements and tools.
US9903163B2 (en) 2012-03-02 2018-02-27 Drilformance Technologies, Llp Drill bit and cutters for a drill bit
USD924949S1 (en) 2019-01-11 2021-07-13 Us Synthetic Corporation Cutting tool
US20230203892A1 (en) * 2021-12-29 2023-06-29 Baker Hughes Oilfield Operations Llc Cutting elements and geometries, earth-boring tools, and related methods

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0186408A2 (en) * 1984-12-22 1986-07-02 Reed Tool Company Limited Improvements in or relating to cutting elements for rotary drill bits
EP0687797A1 (en) * 1994-06-18 1995-12-20 Camco Drilling Group Limited Improvements in or relating to elements faced with superhard material
EP0688937A1 (en) * 1994-06-24 1995-12-27 Camco Drilling Group Limited Improvements in or relating to elements faced with superhard material
US5706906A (en) * 1996-02-15 1998-01-13 Baker Hughes Incorporated Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped
GB2323110A (en) * 1997-02-03 1998-09-16 Baker Hughes Inc Superabrasive cutters with structure aligned to a loading
GB2329405A (en) * 1997-09-23 1999-03-24 Baker Hughes Inc Cutting elements providing constant superabrasive contact area
GB2337063A (en) * 1998-05-08 1999-11-10 Camco International Preform cutting element
GB2353056A (en) * 1996-10-11 2001-02-14 Camco Drilling Group Ltd Preform cutting element having a chip-breaking protrusion

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9621217D0 (en) * 1996-10-11 1996-11-27 Camco Drilling Group Ltd Improvements in or relating to preform cutting elements for rotary drill bits

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0186408A2 (en) * 1984-12-22 1986-07-02 Reed Tool Company Limited Improvements in or relating to cutting elements for rotary drill bits
EP0687797A1 (en) * 1994-06-18 1995-12-20 Camco Drilling Group Limited Improvements in or relating to elements faced with superhard material
EP0688937A1 (en) * 1994-06-24 1995-12-27 Camco Drilling Group Limited Improvements in or relating to elements faced with superhard material
US5706906A (en) * 1996-02-15 1998-01-13 Baker Hughes Incorporated Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped
GB2353056A (en) * 1996-10-11 2001-02-14 Camco Drilling Group Ltd Preform cutting element having a chip-breaking protrusion
GB2323110A (en) * 1997-02-03 1998-09-16 Baker Hughes Inc Superabrasive cutters with structure aligned to a loading
GB2329405A (en) * 1997-09-23 1999-03-24 Baker Hughes Inc Cutting elements providing constant superabrasive contact area
GB2337063A (en) * 1998-05-08 1999-11-10 Camco International Preform cutting element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105927159A (en) * 2016-06-08 2016-09-07 莱州市原野科技有限公司 Polycrystalline diamond compact (PDC) bit
CN105927159B (en) * 2016-06-08 2017-11-07 莱州市原野科技有限公司 Pdc drill bit

Also Published As

Publication number Publication date
EP1052367B1 (en) 2005-04-06
DE60019189T2 (en) 2006-03-09
GB9911139D0 (en) 1999-07-14
DE60019189D1 (en) 2005-05-12
EP1052367A3 (en) 2000-12-27
GB0010226D0 (en) 2000-06-14
EP1052367A2 (en) 2000-11-15
GB2350381A (en) 2000-11-29

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20200427