GB9125558D0 - 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
GB9125558D0
GB9125558D0 GB919125558A GB9125558A GB9125558D0 GB 9125558 D0 GB9125558 D0 GB 9125558D0 GB 919125558 A GB919125558 A GB 919125558A GB 9125558 A GB9125558 A GB 9125558A GB 9125558 D0 GB9125558 D0 GB 9125558D0
Authority
GB
United Kingdom
Prior art keywords
relating
improvements
cutting elements
drill bits
rotary drill
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.)
Pending
Application number
GB919125558A
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
Application filed by Camco Drilling Group Ltd filed Critical Camco Drilling Group Ltd
Priority to GB919125558A priority Critical patent/GB9125558D0/en
Publication of GB9125558D0 publication Critical patent/GB9125558D0/en
Pending legal-status Critical Current

Links

GB919125558A 1991-11-30 1991-11-30 Improvements in or relating to cutting elements for rotary drill bits Pending GB9125558D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB919125558A GB9125558D0 (en) 1991-11-30 1991-11-30 Improvements in or relating to cutting elements for rotary drill bits

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB919125558A GB9125558D0 (en) 1991-11-30 1991-11-30 Improvements in or relating to cutting elements for rotary drill bits
ZA9209178A ZA9209178B (en) 1991-11-30 1992-11-26 Improvements in or relating to cutting elements for rotary drill bits
DE1992614100 DE69214100T2 (en) 1991-11-30 1992-11-26 Cutting bits for drill bits
DE1992614100 DE69214100D1 (en) 1991-11-30 1992-11-26 Cutting bits for drill bits
GB9224750A GB2261894B (en) 1991-11-30 1992-11-26 Improvements in or relating to cutting elements for rotary drill bits
EP19920310836 EP0546725B1 (en) 1991-11-30 1992-11-26 Improvents in or relating to cutting elements for rotary drill bits

Publications (1)

Publication Number Publication Date
GB9125558D0 true GB9125558D0 (en) 1992-01-29

Family

ID=10705527

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919125558A Pending GB9125558D0 (en) 1991-11-30 1991-11-30 Improvements in or relating to cutting elements for rotary drill bits
GB9224750A Expired - Fee Related GB2261894B (en) 1991-11-30 1992-11-26 Improvements in or relating to cutting elements for rotary drill bits

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9224750A Expired - Fee Related GB2261894B (en) 1991-11-30 1992-11-26 Improvements in or relating to cutting elements for rotary drill bits

Country Status (4)

Country Link
EP (1) EP0546725B1 (en)
DE (2) DE69214100D1 (en)
GB (2) GB9125558D0 (en)
ZA (1) ZA9209178B (en)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5348109A (en) * 1992-10-07 1994-09-20 Camco Drilling Group Ltd. Cutter assemblies and cutting elements for rotary drill bits
GB2273306B (en) * 1992-12-10 1996-12-18 Camco Drilling Group Ltd Improvements in or relating to cutting elements for rotary drill bits
US5492188A (en) * 1994-06-17 1996-02-20 Baker Hughes Incorporated Stress-reduced superhard cutting element
GB2316701B (en) * 1994-06-17 1998-12-16 Baker Hughes Inc Stress-reduced superhard cutting element
US5833021A (en) * 1996-03-12 1998-11-10 Smith International, Inc. Surface enhanced polycrystalline diamond composite cutters
GB9701695D0 (en) * 1997-01-28 1997-03-19 De Beers Ind Diamond Insert for an abrasive tool
CA2261491C (en) * 1998-03-06 2005-05-24 Smith International, Inc. Cutting element with improved polycrystalline material toughness and method for making same
GB9827600D0 (en) * 1998-12-15 1999-02-10 De Beers Ind Diamond Abrasive product
US6216805B1 (en) 1999-07-12 2001-04-17 Baker Hughes Incorporated Dual grade carbide substrate for earth-boring drill bit cutting elements, drill bits so equipped, and methods
US6248447B1 (en) * 1999-09-03 2001-06-19 Camco International (Uk) Limited Cutting elements and methods of manufacture thereof
US6439327B1 (en) 2000-08-24 2002-08-27 Camco International (Uk) Limited Cutting elements for rotary drill bits
EP1191000B1 (en) * 2000-09-20 2004-06-09 Camco International (UK) Limited Rotary drill bit
IL154979D0 (en) * 2000-09-20 2003-10-31 Camco Int Uk Ltd Polycrystalline diamond with a surface depleted of catalyzing material
DE60140617D1 (en) 2000-09-20 2010-01-07 Camco Int Uk Ltd Polycrystalline diamond with a surface enriched on catalyst material
GB2408735B (en) 2003-12-05 2009-01-28 Smith International Thermally-stable polycrystalline diamond materials and compacts
IE20050276A1 (en) 2004-05-06 2005-11-30 Smith International Thermally stable diamond bonded materials and compacts
GB2438319B (en) 2005-02-08 2009-03-04 Smith International Thermally stable polycrystalline diamond cutting elements and bits incorporating the same
US7694757B2 (en) 2005-02-23 2010-04-13 Smith International, Inc. Thermally stable polycrystalline diamond materials, cutting elements incorporating the same and bits incorporating such cutting elements
US7493973B2 (en) 2005-05-26 2009-02-24 Smith International, Inc. Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance
US7726421B2 (en) 2005-10-12 2010-06-01 Smith International, Inc. Diamond-bonded bodies and compacts with improved thermal stability and mechanical strength
US9097074B2 (en) 2006-09-21 2015-08-04 Smith International, Inc. Polycrystalline diamond composites
CA2619547C (en) 2007-02-06 2016-05-17 Smith International, Inc. Polycrystalline diamond constructions having improved thermal stability
US7942219B2 (en) 2007-03-21 2011-05-17 Smith International, Inc. Polycrystalline diamond constructions having improved thermal stability
US8499861B2 (en) 2007-09-18 2013-08-06 Smith International, Inc. Ultra-hard composite constructions comprising high-density diamond surface
US7980334B2 (en) 2007-10-04 2011-07-19 Smith International, Inc. Diamond-bonded constructions with improved thermal and mechanical properties
US9297211B2 (en) 2007-12-17 2016-03-29 Smith International, Inc. Polycrystalline diamond construction with controlled gradient metal content
US8083012B2 (en) 2008-10-03 2011-12-27 Smith International, Inc. Diamond bonded construction with thermally stable region
US8771389B2 (en) 2009-05-06 2014-07-08 Smith International, Inc. Methods of making and attaching TSP material for forming cutting elements, cutting elements having such TSP material and bits incorporating such cutting elements
WO2010129811A2 (en) 2009-05-06 2010-11-11 Smith International, Inc. Cutting elements with re-processed thermally stable polycrystalline diamond cutting layers, bits incorporating the same, and methods of making the same
US20100288564A1 (en) * 2009-05-13 2010-11-18 Baker Hughes Incorporated Cutting element for use in a drill bit for drilling subterranean formations
GB2483590B8 (en) 2009-06-18 2014-07-23 Smith International Polycrystalline diamond cutting elements with engineered porosity and method for manufacturing such cutting elements
US8887839B2 (en) 2009-06-25 2014-11-18 Baker Hughes Incorporated Drill bit for use in drilling subterranean formations
EP2452037A2 (en) * 2009-07-08 2012-05-16 Baker Hughes Incorporated Cutting element for a drill bit used in drilling subterranean formations
US8757299B2 (en) 2009-07-08 2014-06-24 Baker Hughes Incorporated Cutting element and method of forming thereof
WO2011017115A2 (en) 2009-07-27 2011-02-10 Baker Hughes Incorporated Abrasive article and method of forming
US8590646B2 (en) 2009-09-22 2013-11-26 Longyear Tm, Inc. Impregnated cutting elements with large abrasive cutting media and methods of making and using the same
US20110067930A1 (en) * 2009-09-22 2011-03-24 Beaton Timothy P Enhanced secondary substrate for polycrystalline diamond compact cutting elements
GB201000866D0 (en) * 2010-01-20 2010-03-10 Element Six Production Pty Ltd A superhard insert and an earth boring tool comprising same
US9243452B2 (en) 2011-04-22 2016-01-26 Baker Hughes Incorporated Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
US9103174B2 (en) 2011-04-22 2015-08-11 Baker Hughes Incorporated Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods
WO2011133850A2 (en) 2010-04-23 2011-10-27 Baker Hughes Incorporated Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods
US9650837B2 (en) 2011-04-22 2017-05-16 Baker Hughes Incorporated Multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elements
US9428966B2 (en) 2012-05-01 2016-08-30 Baker Hughes Incorporated Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
US8741010B2 (en) 2011-04-28 2014-06-03 Robert Frushour Method for making low stress PDC
US8858665B2 (en) 2011-04-28 2014-10-14 Robert Frushour Method for making fine diamond PDC
GB201107764D0 (en) 2011-05-10 2011-06-22 Element Six Production Pty Ltd Polycrystalline diamond structure
US8974559B2 (en) 2011-05-12 2015-03-10 Robert Frushour PDC made with low melting point catalyst
US9061264B2 (en) 2011-05-19 2015-06-23 Robert H. Frushour High abrasion low stress PDC
US8828110B2 (en) 2011-05-20 2014-09-09 Robert Frushour ADNR composite
US8807247B2 (en) 2011-06-21 2014-08-19 Baker Hughes Incorporated Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and methods of forming such cutting elements for earth-boring tools
CN102296931B (en) * 2011-07-11 2013-08-21 桂林星钻超硬材料有限公司 High-speed polycrystalline diamond compact sheet
US9482057B2 (en) 2011-09-16 2016-11-01 Baker Hughes Incorporated Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods
US8991525B2 (en) 2012-05-01 2015-03-31 Baker Hughes Incorporated Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methods
WO2014043071A1 (en) * 2012-09-11 2014-03-20 Halliburton Energy Services, Inc. Cutter for use in well tools
WO2014117097A2 (en) * 2013-01-28 2014-07-31 National Oilwell Varco, L.P. Accurate placement of powders to form optimized polycrystalline diamond cutter elements and cutting tools
US9140072B2 (en) 2013-02-28 2015-09-22 Baker Hughes Incorporated Cutting elements including non-planar interfaces, earth-boring tools including such cutting elements, and methods of forming cutting elements
US9428967B2 (en) 2013-03-01 2016-08-30 Baker Hughes Incorporated Polycrystalline compact tables for cutting elements and methods of fabrication
US9138872B2 (en) 2013-03-13 2015-09-22 Diamond Innovations, Inc. Polycrystalline diamond drill blanks with improved carbide interface geometries

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3946885A (en) * 1984-03-26 1985-10-03 Norton Christensen Inc. Cutting element using polycrystalline diamond disks
US4592433A (en) * 1984-10-04 1986-06-03 Strata Bit Corporation Cutting blank with diamond strips in grooves
DE3442546C2 (en) * 1984-11-22 1988-08-18 Elfgen, Gerd, 5303 Bornheim, De
AU577958B2 (en) * 1985-08-22 1988-10-06 De Beers Industrial Diamond Division (Proprietary) Limited Abrasive compact
ES2045137T3 (en) * 1987-10-12 1994-01-16 De Beers Ind Diamond abrasive products.
US4854405A (en) * 1988-01-04 1989-08-08 American National Carbide Company Cutting tools
US5154245A (en) * 1990-04-19 1992-10-13 Sandvik Ab Diamond rock tools for percussive and rotary crushing rock drilling
SE9002137D0 (en) * 1990-06-15 1990-06-15 Diamant Boart Stratabit Sa Improved tools for cutting rock drilling
SE9002135D0 (en) * 1990-06-15 1990-06-15 Sandvik Ab Improved tools for percussive and rotary crusching rock drilling provided with a diamond layer
US5238074A (en) * 1992-01-06 1993-08-24 Baker Hughes Incorporated Mosaic diamond drag bit cutter having a nonuniform wear pattern
CA2105190A1 (en) * 1992-09-11 1994-03-12 Ronald L. Frazee Segmented diamond compact

Also Published As

Publication number Publication date
EP0546725A1 (en) 1993-06-16
DE69214100T2 (en) 1997-04-17
GB2261894B (en) 1995-07-05
ZA9209178B (en) 1993-10-04
GB9224750D0 (en) 1993-01-13
DE69214100D1 (en) 1996-10-31
EP0546725B1 (en) 1996-09-25
GB2261894A (en) 1993-06-02

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