GB201101211D0 - PDC bit having split blades - Google Patents

PDC bit having split blades


Publication number
GB201101211D0 GB201101211A GB201101211A GB201101211D0 GB 201101211 D0 GB201101211 D0 GB 201101211D0 GB 201101211 A GB201101211 A GB 201101211A GB 201101211 A GB201101211 A GB 201101211A GB 201101211 D0 GB201101211 D0 GB 201101211D0
Grant status
Patent type
Prior art keywords
pdc bit
split blades
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.)
Application number
Other versions
GB2474180A (en )
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.)
Smith International Inc
Original Assignee
Smith International 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
Grant date



    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • E21B10/55Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements with blades having preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
GB201101211A 2008-07-25 2009-07-09 PDC bit having split blades Withdrawn GB201101211D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US8385108 true 2008-07-25 2008-07-25
PCT/US2009/050018 WO2010011500A1 (en) 2008-07-25 2009-07-09 Pdc bit having split blades

Publications (2)

Publication Number Publication Date
GB201101211D0 true GB201101211D0 (en) 2011-03-09
GB2474180A true GB2474180A (en) 2011-04-06



Family Applications (1)

Application Number Title Priority Date Filing Date
GB201101211A Withdrawn GB201101211D0 (en) 2008-07-25 2009-07-09 PDC bit having split blades

Country Status (3)

Country Link
US (1) US20100018780A1 (en)
GB (1) GB201101211D0 (en)
WO (1) WO2010011500A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9366090B2 (en) * 2011-02-10 2016-06-14 Smith International, Inc. Kerfing hybrid drill bit and other downhole cutting tools
CN104024556B (en) 2011-06-22 2016-06-29 史密斯国际公司 Core breaker having fixed teeth characteristic bit

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Also Published As

Publication number Publication date Type
US20100018780A1 (en) 2010-01-28 application
WO2010011500A1 (en) 2010-01-28 application
GB2474180A (en) 2011-04-06 application

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)