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GB2375130B - Cutter for a drill bit - Google Patents

Cutter for a drill bit

Info

Publication number
GB2375130B
GB2375130B GB0217376A GB0217376A GB2375130B GB 2375130 B GB2375130 B GB 2375130B GB 0217376 A GB0217376 A GB 0217376A GB 0217376 A GB0217376 A GB 0217376A GB 2375130 B GB2375130 B GB 2375130B
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
GB0217376A
Other versions
GB0217376D0 (en
GB2375130A (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 Inc
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 to US09/604,717 priority Critical patent/US6571891B1/en
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Priority to GB0114828A priority patent/GB2364082B/en
Publication of GB0217376D0 publication Critical patent/GB0217376D0/en
Publication of GB2375130A publication Critical patent/GB2375130A/en
Application granted granted Critical
Publication of GB2375130B publication Critical patent/GB2375130B/en
Application status is Expired - Fee Related legal-status Critical
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button type inserts
    • E21B10/567Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button type inserts
    • E21B10/567Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573Button type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details
    • E21B10/5735Interface between the substrate and the cutting element
GB0217376A 1996-04-17 2001-06-18 Cutter for a drill bit Expired - Fee Related GB2375130B (en)

Priority Applications (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
GB0217376D0 GB0217376D0 (en) 2002-09-04
GB2375130A GB2375130A (en) 2002-11-06
GB2375130B true GB2375130B (en) 2003-04-23

Family

ID=26246203

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0217376A Expired - Fee Related GB2375130B (en) 1996-04-17 2001-06-18 Cutter for a drill bit
GB0217374A Expired - Fee Related GB2375128B (en) 1996-04-17 2001-06-18 Cutter for a drill bit
GB0217375A Expired - Fee Related GB2375129B (en) 1996-04-17 2001-06-18 Cutter for a drill bit

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB0217374A Expired - Fee Related GB2375128B (en) 1996-04-17 2001-06-18 Cutter for a drill bit
GB0217375A Expired - Fee Related GB2375129B (en) 1996-04-17 2001-06-18 Cutter for a drill bit

Country Status (1)

Country Link
GB (3) GB2375130B (en)

Citations (3)

* 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
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6202771B1 (en) * 1997-09-23 2001-03-20 Baker Hughes Incorporated Cutting element with controlled superabrasive contact area, drill bits so equipped

Patent Citations (3)

* 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
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

Also Published As

Publication number Publication date
GB0217375D0 (en) 2002-09-04
GB2375129B (en) 2003-04-23
GB2375128A (en) 2002-11-06
GB2375129A (en) 2002-11-06
GB2375128B (en) 2003-04-23
GB0217376D0 (en) 2002-09-04
GB0217374D0 (en) 2002-09-04
GB2375130A (en) 2002-11-06

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Legal Events

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

Effective date: 20150618