GB2375128B - Cutter for a drill bit - Google Patents

Cutter for a drill bit

Info

Publication number
GB2375128B
GB2375128B GB0217374A GB0217374A GB2375128B GB 2375128 B GB2375128 B GB 2375128B GB 0217374 A GB0217374 A GB 0217374A GB 0217374 A GB0217374 A GB 0217374A GB 2375128 B GB2375128 B GB 2375128B
Authority
GB
United Kingdom
Prior art keywords
cutter
drill bit
drill
bit
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
GB0217374A
Other versions
GB0217374D0 (en
GB2375128A (en
Inventor
Redd H Smith
Danny E Scott
Craig H Cooley
Marcus R Skeem
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 US09/604,717 external-priority patent/US6571891B1/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of GB0217374D0 publication Critical patent/GB0217374D0/en
Publication of GB2375128A publication Critical patent/GB2375128A/en
Application granted granted Critical
Publication of GB2375128B publication Critical patent/GB2375128B/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
    • E21B10/56—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
GB0217374A 2000-06-27 2001-06-18 Cutter for a drill bit Expired - Fee Related GB2375128B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/604,717 US6571891B1 (en) 1996-04-17 2000-06-27 Web cutter
GB0114828A GB2364082B (en) 2000-06-27 2001-06-18 Cutter for a drill bit

Publications (3)

Publication Number Publication Date
GB0217374D0 GB0217374D0 (en) 2002-09-04
GB2375128A GB2375128A (en) 2002-11-06
GB2375128B true GB2375128B (en) 2003-04-23

Family

ID=26246203

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0217375A Expired - Fee Related GB2375129B (en) 2000-06-27 2001-06-18 Cutter for a drill bit
GB0217374A Expired - Fee Related GB2375128B (en) 2000-06-27 2001-06-18 Cutter for a drill bit
GB0217376A Expired - Fee Related GB2375130B (en) 2000-06-27 2001-06-18 Cutter for a drill bit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0217375A Expired - Fee Related GB2375129B (en) 2000-06-27 2001-06-18 Cutter for a drill bit

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0217376A Expired - Fee Related GB2375130B (en) 2000-06-27 2001-06-18 Cutter for a drill bit

Country Status (1)

Country Link
GB (3) GB2375129B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2283773A (en) * 1993-11-10 1995-05-17 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB2329405A (en) * 1997-09-23 1999-03-24 Baker Hughes Inc Cutting elements providing constant superabrasive contact area

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5871060A (en) * 1997-02-20 1999-02-16 Jensen; Kenneth M. Attachment geometry for non-planar drill inserts
US6026919A (en) * 1998-04-16 2000-02-22 Diamond Products International Inc. Cutting element with stress reduction

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2283773A (en) * 1993-11-10 1995-05-17 Camco Drilling Group Ltd Improvements in or relating to elements faced with superhard material
GB2329405A (en) * 1997-09-23 1999-03-24 Baker Hughes Inc Cutting elements providing constant superabrasive contact area

Also Published As

Publication number Publication date
GB0217376D0 (en) 2002-09-04
GB2375130B (en) 2003-04-23
GB0217374D0 (en) 2002-09-04
GB2375130A (en) 2002-11-06
GB2375129B (en) 2003-04-23
GB2375129A (en) 2002-11-06
GB2375128A (en) 2002-11-06
GB0217375D0 (en) 2002-09-04

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Legal Events

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

Effective date: 20150618