EP2297423A4 - Anti-tracking feature for rock bits - Google Patents

Anti-tracking feature for rock bits

Info

Publication number
EP2297423A4
EP2297423A4 EP09735461.7A EP09735461A EP2297423A4 EP 2297423 A4 EP2297423 A4 EP 2297423A4 EP 09735461 A EP09735461 A EP 09735461A EP 2297423 A4 EP2297423 A4 EP 2297423A4
Authority
EP
European Patent Office
Prior art keywords
tracking feature
rock bits
rock
bits
tracking
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.)
Withdrawn
Application number
EP09735461.7A
Other languages
German (de)
French (fr)
Other versions
EP2297423A2 (en
Inventor
Robert J Buske
James L Overstreet
Rudolf Carl Pessier
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
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of EP2297423A2 publication Critical patent/EP2297423A2/en
Publication of EP2297423A4 publication Critical patent/EP2297423A4/en
Withdrawn legal-status Critical Current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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement
EP09735461.7A 2008-04-21 2009-04-21 Anti-tracking feature for rock bits Withdrawn EP2297423A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4650808P 2008-04-21 2008-04-21
PCT/US2009/041193 WO2009131969A2 (en) 2008-04-21 2009-04-21 Anti-tracking feature for rock bits

Publications (2)

Publication Number Publication Date
EP2297423A2 EP2297423A2 (en) 2011-03-23
EP2297423A4 true EP2297423A4 (en) 2013-07-03

Family

ID=41200182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09735461.7A Withdrawn EP2297423A4 (en) 2008-04-21 2009-04-21 Anti-tracking feature for rock bits

Country Status (3)

Country Link
US (2) US20090260890A1 (en)
EP (1) EP2297423A4 (en)
WO (1) WO2009131969A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10337254B2 (en) * 2015-12-04 2019-07-02 PDB Tools, Inc. Tungsten carbide insert bit with milled steel teeth
CN105863504A (en) * 2016-05-12 2016-08-17 西南石油大学 Friction-reducing, resistance-reducing, speed-improving and extending drilling method and tool based on secondary cutting crushing while drilling
WO2017205507A1 (en) * 2016-05-25 2017-11-30 Baker Hughes Incorporated Roller cone earth-boring rotary drill bits including disk heels and related systems and methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333746A (en) * 1940-07-11 1943-11-09 Hughes Tool Co Cutter teeth for well drills
US2804282A (en) * 1954-10-11 1957-08-27 Jr Arthur F Spengler Boring drill
GB1224503A (en) * 1968-02-14 1971-03-10 Inst Burovoi Tekhnik Improvements in or relating to drilling apparatus
US5351768A (en) * 1993-07-08 1994-10-04 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US20070034414A1 (en) * 2005-08-15 2007-02-15 Smith International, Inc. Rolling Cone Drill Bit Having Cutter Elements Positioned in a Plurality of Differing Radial Positions

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104726A (en) * 1963-09-24 Rotary blt stabilizing structure
US1896251A (en) * 1929-12-20 1933-02-07 Floyd L Scott Cutter for well drills
US1896295A (en) * 1930-03-03 1933-02-07 Hughes Tool Co Angle tooth cutter
US2094856A (en) * 1936-07-22 1937-10-05 Smith Roller bit
US2363202A (en) * 1943-07-19 1944-11-21 Hughes Tool Co Teeth for drill cutters
US2533257A (en) * 1945-06-02 1950-12-12 Hughes Tool Co Drill cutter
US2533258A (en) * 1945-11-09 1950-12-12 Hughes Tool Co Drill cutter
US2533259A (en) * 1946-06-28 1950-12-12 Hughes Tool Co Cluster tooth cutter
US2527838A (en) * 1946-08-01 1950-10-31 Hughes Tool Co Bit and cutter therefor
US2533260A (en) * 1946-10-07 1950-12-12 Hughes Tool Co Rotary drill bit and cutter therefor
US3442342A (en) * 1967-07-06 1969-05-06 Hughes Tool Co Specially shaped inserts for compact rock bits,and rolling cutters and rock bits using such inserts
US5311958A (en) * 1992-09-23 1994-05-17 Baker Hughes Incorporated Earth-boring bit with an advantageous cutting structure
US5323865A (en) * 1992-09-23 1994-06-28 Baker Hughes Incorporated Earth-boring bit with an advantageous insert cutting structure
US5429200A (en) * 1994-03-31 1995-07-04 Dresser Industries, Inc. Rotary drill bit with improved cutter
US5671817A (en) * 1995-10-02 1997-09-30 Camco International Inc. Drill bit with dual reaming rows
US6923276B2 (en) * 2003-02-19 2005-08-02 Baker Hughes Incorporated Streamlined mill-toothed cone for earth boring bit
US7195086B2 (en) * 2004-01-30 2007-03-27 Anna Victorovna Aaron Anti-tracking earth boring bit with selected varied pitch for overbreak optimization and vibration reduction
US7621345B2 (en) * 2006-04-03 2009-11-24 Baker Hughes Incorporated High density row on roller cone bit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333746A (en) * 1940-07-11 1943-11-09 Hughes Tool Co Cutter teeth for well drills
US2804282A (en) * 1954-10-11 1957-08-27 Jr Arthur F Spengler Boring drill
GB1224503A (en) * 1968-02-14 1971-03-10 Inst Burovoi Tekhnik Improvements in or relating to drilling apparatus
US5351768A (en) * 1993-07-08 1994-10-04 Baker Hughes Incorporated Earth-boring bit with improved cutting structure
US20070034414A1 (en) * 2005-08-15 2007-02-15 Smith International, Inc. Rolling Cone Drill Bit Having Cutter Elements Positioned in a Plurality of Differing Radial Positions

Also Published As

Publication number Publication date
US20090260890A1 (en) 2009-10-22
EP2297423A2 (en) 2011-03-23
US20110315454A1 (en) 2011-12-29
WO2009131969A3 (en) 2010-01-14
WO2009131969A2 (en) 2009-10-29

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20101110

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AX Request for extension of the european patent

Extension state: AL BA RS

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20130604

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 10/16 20060101AFI20130528BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20140103