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

Anti-tracking feature for rock bits

Info

Publication number: EP2297423A4
Authority: EP; European Patent Office
Prior art keywords: tracking feature; rock bits; rock; bits; tracking
Prior art date: 2008-04-21
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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.)

2008-04-21

Filing date

2009-04-21

Publication date

2013-07-03

2009-04-21 Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc

2011-03-23 Publication of EP2297423A2 publication Critical patent/EP2297423A2/en

2013-07-03 Publication of EP2297423A4 publication Critical patent/EP2297423A4/en

Status Withdrawn legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)

EP09735461.7A 2008-04-21 2009-04-21 Anti-tracking feature for rock bits Withdrawn EP2297423A4 (en)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
US5323865A (en) *	1992-09-23	1994-06-28	Baker Hughes Incorporated	Earth-boring bit with an advantageous insert cutting structure
US5311958A (en) *	1992-09-23	1994-05-17	Baker Hughes Incorporated	Earth-boring bit with an advantageous 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

2009
- 2009-04-17 US US12/425,766 patent/US20090260890A1/en not_active Abandoned
- 2009-04-21 EP EP09735461.7A patent/EP2297423A4/en not_active Withdrawn
- 2009-04-21 WO PCT/US2009/041193 patent/WO2009131969A2/en not_active Ceased
2011
- 2011-09-07 US US13/227,186 patent/US20110315454A1/en not_active Abandoned

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
US20110315454A1 (en)	2011-12-29
WO2009131969A2 (en)	2009-10-29
WO2009131969A3 (en)	2010-01-14
EP2297423A2 (en)	2011-03-23

Legal Events

Date	Code	Title	Description
2011-02-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2011-03-23	17P	Request for examination filed	Effective date: 20101110
2011-03-23	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
2011-03-23	AX	Request for extension of the european patent	Extension state: AL BA RS
2011-07-27	DAX	Request for extension of the european patent (deleted)
2013-07-03	A4	Supplementary search report drawn up and despatched	Effective date: 20130604
2013-07-03	RIC1	Information provided on ipc code assigned before grant	Ipc: E21B 10/16 20060101AFI20130528BHEP
2014-07-11	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
2014-08-13	18D	Application deemed to be withdrawn	Effective date: 20140103

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