WO2011097575A4 - Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same - Google Patents

Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same Download PDF

Info

Publication number
WO2011097575A4
WO2011097575A4 PCT/US2011/023922 US2011023922W WO2011097575A4 WO 2011097575 A4 WO2011097575 A4 WO 2011097575A4 US 2011023922 W US2011023922 W US 2011023922W WO 2011097575 A4 WO2011097575 A4 WO 2011097575A4
Authority
WO
WIPO (PCT)
Prior art keywords
earth
cutting element
boring tool
gouging
shearing
Prior art date
Application number
PCT/US2011/023922
Other languages
French (fr)
Other versions
WO2011097575A3 (en
WO2011097575A2 (en
Inventor
Nicholas J. Lyons
Danny E. Scott
Rudolf Carl Pessier
David Gavia
Juan Miguel Bilen
Original Assignee
Baker Hughes Incorporated
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 Incorporated filed Critical Baker Hughes Incorporated
Priority to EP11740494.7A priority Critical patent/EP2531690B1/en
Priority to CA2788816A priority patent/CA2788816C/en
Publication of WO2011097575A2 publication Critical patent/WO2011097575A2/en
Publication of WO2011097575A3 publication Critical patent/WO2011097575A3/en
Publication of WO2011097575A4 publication Critical patent/WO2011097575A4/en
Priority to ZA2012/05714A priority patent/ZA201205714B/en

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
    • E21B10/5673Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • 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
    • E21B10/62Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E21B10/627Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
    • E21B10/633Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable

Abstract

Earth-boring tools include a body, one or more blades projecting outwardly from the body, and cutting elements carried by the blade. The cutting elements include at least one shearing cutting element and at least one gouging cutting element. Methods of forming an earth-boring tool include mounting a shearing cutting element comprising an at least substantially planar cutting face to a body of an earth-boring tool, and mounting a gouging cutting element comprising a non-planar cutting face to the body of the earth-boring tool. The gouging cutting element may be positioned on the body of the earth-boring tool such that the gouging cutting element will gouge formation material within a kerf cut in the formation material by the shearing cutting element, or between kerfs cut in the formation material by a plurality of shearing cutting elements.

Claims

AMENDED CLAIMS received by the International Bureau on 7 November 2011 (07.11.2011 )
1. An earth-boring tool, comprising:
a body;
at least one blade projecting outwardly from the body; and
a plurality of cutting elements carried by the at least one blade, the plurality of cutting elements comprising:
at least one shearing cutting element comprising an at least substantially planar cutting face positioned and oriented for shearing a subterranean formation when the earth-boring tool is rotated under applied force against the subterranean formation; and
at least one gouging cutting element located rotationally behind the at least one shearing cutting element on the at least one blade, the at least one gouging cutting element comprising a cutting face positioned and oriented with a forward rake angle for at least one of crushing and gouging the subterranean formation when the earth-boring tool is rotated under the applied force.
2. The earth-boring tool of claim 1 , wherein the at least one shearing cutting element comprises a polycrystalline diamond material, and wherein the at least substantially planar cutting face of the at least one shearing cutting element comprises a surface of the polycrystalline diamond material.
3. The earth-boring tool of claim 1 , wherein:
the at least one gouging cutting element comprises a polycrystalline diamond material; the cutting face of the at least one gouging cutting element comprises a surface of the polycrystalline diamond material; and
the cutting face of the at least one gouging cutting element is non-planar.
4. The earth-boring tool of claim 3, wherein the cutting face of the at least one gouging cutting element is substantially dome-like in shape. 26
5. The earth-boring tool of claim 3, wherein the cutting face of the at least one gouging cutting element is substantially fhistoconically shaped.
6. The earth-boring tool of any of claims 1 through 3, wherein the earth-boring tool comprises a fixed-cutter earth-boring rotary drill bit, and wherein each of the at least one shearing cutting element and the at least one gouging cutting element is located in a shoulder region, a nose region, or a cone region of the fixed-cutter earth-boring rotary drill bit.
7. The earth-boring tool of any of claims 1 through 3, wherein the at least one gouging cutting element is positioned to follow a path of the at least one shearing cutting element when the earth-boring tool is rotated under applied force.
8. The earth-boring tool of any of claims 1 through 3, wherein the at least one blade comprises a plurality of blades, each blade of the plurality of blades projecting outwardly from the body and carrying a row of cutting elements, each row of cutting elements comprising shearing cutting elements, each of the shearing cutting elements comprising a polycrystalline diamond material having an at least substantially planar cutting face positioned and oriented for shearing a subterranean formation when the earth-boring tool is rotated under applied force, and wherein each of at least two blades of the plurality of blades comprises at least two gouging cutting elements comprising a polycrystalline diamond material having a cutting face positioned and oriented for at least one of crushing and gouging a subterranean formation when the earth-boring tool is rotated under applied force.
9. The earth-boring tool of any of claims 1 through 3, wherein a shortest distance between a longitudinal axis of the earth-boring tool and a cutting surface of the at least one gouging cutting element is substantially equal to a shortest distance between the longitudinal axis of the earth-boring tool and a cutting surface of the at least one shearing cutting element. 27
10. The earth-boring tool of claim 9, wherein the at least one gouging cutting element exhibits an exposure greater than or equal to an exposure of the at least one shearing cutting element.
11. The earth-boring tool of claim 9, wherein the exposure of the at least one gouging cutting element is less than 2.54 mm greater than an exposure of the at least one shearing cutting element.
12. The earth-boring tool of any of claims 1 through 3, wherein a ratio of a shoulder height of the body to a diameter of the body is 0.10 or less.
13. The earth-boring tool of any of claims 1 through 3, wherein the at least one blade comprises at least one primary blade, and wherein the at least one gouging cutting element is disposed on the at least one primary blade.
14. A method of forming an earth-boring tool, comprising:
mounting a shearing cutting element comprising an at least substantially planar cutting face to a body of an earth-boring tool;
locating and orienting the shearing cutting element on the body of the earth-boring tool for shearing a subterranean formation when the earth-boring tool is used to form or enlarge a wellbore;
mounting a backup gouging cutting element comprising a non-planar cutting face to the body of the earth-boring tool;
locating and orienting the backup gouging cutting element on the body of the
earth-boring tool for at least one of crushing and gouging a subterranean formation when the earth-boring tool is used to form or enlarge a wellbore; and positioning the backup gouging cutting element on the body of the earth-boring tool to have a forward rake angle, such that the backup gouging cutting element will gouge formation material within a kerf cut in the formation material by the shearing cutting element. 28
15. The method of claim 14, wherein positioning the backup gouging cutting element on the body of the earth-boring tool comprises positioning the backup gouging cutting element on the body of the earth-boring tool such that a shortest distance between a longitudinal axis of the earth-boring tool and the at least one backup gouging cutting element is substantially equal to a shortest distance between the longitudinal axis of the earth-boring tool and the at least one shearing cutting element.
16. The method of claim 14 or claim 15, further comprising:
selecting the body of the earth-boring tool to comprise a bit body of a fixed-cutter earth-boring rotary drill bit comprising a plurality of blades; and
mounting each of the shearing cutting element and the backup gouging cutting element on a blade of the plurality of blades.
17. The method of claim 14 or claim 15, further comprising selecting the shearing cutting element to comprise a polycrystalline diamond material having a surface comprising the at least substantially planar cutting face.
18. The method of claim 17, further comprising selecting the backup gouging cutting element to comprise a polycrystalline diamond material having a surface comprising the non-planar cutting face.
19. The method of claim 14 or claim 15, further comprising mounting the backup gouging cutting element on the body of the earth-boring tool to have an exposure greater than an exposure of the shearing cutting element.
20. The method of claim 14 or claim 15, further comprising mounting the backup gouging cutting element on the body of the earth-boring tool to have an exposure less than an exposure of the shearing cutting element.
21. The earth-boring tool of any of claims 1 through 3, wherein the at least gouging cutting element has a forward rake angle greater than approximately 15°.
22. The earth-boring tool of any of claims 1 through 3, wherein the at least one gouging cutting element is positioned to follow a path offset from a path of the at least one shearing cutting element when the earth-boring tool is rotated under applied force.

30

STATEMENT UNDER ARTICLE 19(1) (RULE 46.4)

Applicant has amended claims 1 and 14, and added new claims 21 and 22. The amendments have no impact on the description and the drawings. The amendments to claim 1 recite that the at least one gouging cutting element has a forward rake angle. The amendments to claim 14 recite positioning the backup gouging cutting element to have a forward rake angle. New claim 21 recites that the at least one gouging cutting element has a forward rake angle greater than approximately 15°. New claim 22 recites that the at least one gouging cutting element is positioned to follow a path offset from a path of the at least one shearing cutting element.

PCT/US2011/023922 2010-02-05 2011-02-07 Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same WO2011097575A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11740494.7A EP2531690B1 (en) 2010-02-05 2011-02-07 Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same
CA2788816A CA2788816C (en) 2010-02-05 2011-02-07 Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same
ZA2012/05714A ZA201205714B (en) 2010-02-05 2012-07-27 Shape cutting elements on drill bits and other earth-boring tolls, and methods of forming same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30194610P 2010-02-05 2010-02-05
US61/301,946 2010-02-05

Publications (3)

Publication Number Publication Date
WO2011097575A2 WO2011097575A2 (en) 2011-08-11
WO2011097575A3 WO2011097575A3 (en) 2011-11-10
WO2011097575A4 true WO2011097575A4 (en) 2011-12-29

Family

ID=44352794

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/023922 WO2011097575A2 (en) 2010-02-05 2011-02-07 Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same

Country Status (5)

Country Link
US (1) US8794356B2 (en)
EP (1) EP2531690B1 (en)
CA (1) CA2788816C (en)
WO (1) WO2011097575A2 (en)
ZA (1) ZA201205714B (en)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7036611B2 (en) 2002-07-30 2006-05-02 Baker Hughes Incorporated Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
US9051795B2 (en) * 2006-08-11 2015-06-09 Schlumberger Technology Corporation Downhole drill bit
US9145742B2 (en) 2006-08-11 2015-09-29 Schlumberger Technology Corporation Pointed working ends on a drill bit
US8505634B2 (en) * 2009-12-28 2013-08-13 Baker Hughes Incorporated Earth-boring tools having differing cutting elements on a blade and related methods
SA111320374B1 (en) 2010-04-14 2015-08-10 بيكر هوغيس انكوبوريتد Method Of Forming Polycrystalline Diamond From Derivatized Nanodiamond
US8851207B2 (en) 2011-05-05 2014-10-07 Baker Hughes Incorporated Earth-boring tools and methods of forming such earth-boring tools
SA111320671B1 (en) 2010-08-06 2015-01-22 بيكر هوغيس انكور Shaped cutting elements for earth boring tools, earth boring tools including such cutting elements, and related methods
WO2012048017A2 (en) 2010-10-05 2012-04-12 Baker Hughes Incorporated Diamond impregnated cutting structures, earth-boring drill bits and other tools including diamond impregnated cutting structures, and related methods
US8544568B2 (en) * 2010-12-06 2013-10-01 Varel International, Inc., L.P. Shoulder durability enhancement for a PDC drill bit using secondary and tertiary cutting elements
EA025749B1 (en) * 2011-02-10 2017-01-30 Смит Интернэшнл, Инк. Cutting structures for fixed cutter drill bit and other downhole cutting tools
RU2589786C2 (en) 2011-06-22 2016-07-10 Смит Интернэшнл, Инк. Drill bit with fixed cutters with elements for producing fragments of core
US9212523B2 (en) 2011-12-01 2015-12-15 Smith International, Inc. Drill bit having geometrically sharp inserts
US8925654B2 (en) 2011-12-08 2015-01-06 Baker Hughes Incorporated Earth-boring tools and methods of forming earth-boring tools
WO2013119930A1 (en) 2012-02-08 2013-08-15 Baker Hughes Incorporated Shaped cutting elements for earth-boring tools and earth-boring tools including such cutting elements
US9493991B2 (en) 2012-04-02 2016-11-15 Baker Hughes Incorporated Cutting structures, tools for use in subterranean boreholes including cutting structures and related methods
US9140072B2 (en) 2013-02-28 2015-09-22 Baker Hughes Incorporated Cutting elements including non-planar interfaces, earth-boring tools including such cutting elements, and methods of forming cutting elements
US10309156B2 (en) * 2013-03-14 2019-06-04 Smith International, Inc. Cutting structures for fixed cutter drill bit and other downhole cutting tools
US10030452B2 (en) * 2013-03-14 2018-07-24 Smith International, Inc. Cutting structures for fixed cutter drill bit and other downhole cutting tools
US20150060149A1 (en) * 2013-09-04 2015-03-05 Shear Bits, Ltd. Drill bit having shear and pick-type cutters
US10119338B2 (en) * 2013-12-11 2018-11-06 Halliburton Energy Services, Inc. Controlled blade flex for fixed cutter drill bits
US10287825B2 (en) 2014-03-11 2019-05-14 Smith International, Inc. Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements
US10145180B2 (en) 2014-08-26 2018-12-04 Smith International, Inc. Hybrid cutting structures with blade undulations
US20160168917A1 (en) * 2014-12-12 2016-06-16 Smith International, Inc. Cutting element with varied substrate length
WO2016176221A1 (en) * 2015-04-30 2016-11-03 Smith International, Inc. Blade geometry for fixed cutter bits
US10107040B2 (en) 2015-09-23 2018-10-23 Baker Hughes, A Ge Company, Llc Earth-boring tool having back up cutting elements with flat surfaces formed therein and related methods
US9920576B2 (en) 2015-10-02 2018-03-20 Baker Hughes, A Ge Company, Llc Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
US10214968B2 (en) 2015-12-02 2019-02-26 Baker Hughes Incorporated Earth-boring tools including selectively actuatable cutting elements and related methods
US10066444B2 (en) 2015-12-02 2018-09-04 Baker Hughes Incorporated Earth-boring tools including selectively actuatable cutting elements and related methods
US10337257B2 (en) 2016-06-30 2019-07-02 Smith International, Inc. Customized drilling tools
EP3282084B1 (en) 2016-08-09 2019-07-10 VAREL EUROPE (Société par Actions Simplifiée) Fixed cutter drill bit having rolling cutters
US10590710B2 (en) 2016-12-09 2020-03-17 Baker Hughes, A Ge Company, Llc Cutting elements, earth-boring tools including the cutting elements, and methods of forming the cutting elements
CA3051594A1 (en) * 2017-02-02 2018-08-09 National Oilwell DHT, L.P. Drill bit inserts and drill bits including same
US10392867B2 (en) 2017-04-28 2019-08-27 Baker Hughes, A Ge Company, Llc Earth-boring tools utilizing selective placement of shaped inserts, and related methods
US10480254B2 (en) 2017-07-06 2019-11-19 Baker Hughes, A Ge Company, Llc Drill bits having tailored depth of cut control features and related methods
US10612311B2 (en) 2017-07-28 2020-04-07 Baker Hughes, A Ge Company, Llc Earth-boring tools utilizing asymmetric exposure of shaped inserts, and related methods
WO2019067998A1 (en) 2017-09-29 2019-04-04 Baker Hughes, A Ge Company, Llc Earth-boring tools having a selectively tailored gauge region for reduced bit walk and method of drilling with same
US10697248B2 (en) * 2017-10-04 2020-06-30 Baker Hughes, A Ge Company, Llc Earth-boring tools and related methods
US10844667B2 (en) 2017-10-10 2020-11-24 Varel International Ind., L.L.C. Drill bit having shaped impregnated shock studs and/or intermediate shaped cutter
US11066875B2 (en) * 2018-03-02 2021-07-20 Baker Hughes Holdings Llc Earth-boring tools having pockets trailing rotationally leading faces of blades and having cutting elements disposed therein and related methods
WO2019200067A1 (en) * 2018-04-11 2019-10-17 Baker Hughes, A Ge Company, Llc Earth boring tools with pockets having cutting elements disposed therein trailing rotationally leading faces of blades and related methods
US10954721B2 (en) 2018-06-11 2021-03-23 Baker Hughes Holdings Llc Earth-boring tools and related methods
WO2020096590A1 (en) * 2018-11-07 2020-05-14 Halliburton Energy Services, Inc. Fixed-cutter drill bits with reduced cutting arc length on innermost cutter
US11505998B2 (en) * 2020-10-15 2022-11-22 Baker Hughes Oilfield Operations Llc Earth-boring tool geometry and cutter placement and associated apparatus and methods

Family Cites Families (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3459073A (en) 1967-06-12 1969-08-05 Timken Roller Bearing Co Rock bit assembly and bit insert assembly process
US4373593A (en) 1979-03-16 1983-02-15 Christensen, Inc. Drill bit
DE3039632C2 (en) 1980-10-21 1982-12-16 Christensen, Inc., 84115 Salt Lake City, Utah Rotary bit for deep drilling
DE3113109C2 (en) 1981-04-01 1983-11-17 Christensen, Inc., 84115 Salt Lake City, Utah Rotary drill bit for deep drilling
US4440247A (en) 1982-04-29 1984-04-03 Sartor Raymond W Rotary earth drilling bit
US4499958A (en) 1983-04-29 1985-02-19 Strata Bit Corporation Drag blade bit with diamond cutting elements
US4602691A (en) 1984-06-07 1986-07-29 Hughes Tool Company Diamond drill bit with varied cutting elements
USRE33757E (en) 1984-06-07 1991-12-03 Dresser Industries, Inc. Diamond drill bit with varied cutting elements
US4889017A (en) 1984-07-19 1989-12-26 Reed Tool Co., Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
US4823892A (en) 1984-07-19 1989-04-25 Nl Petroleum Products Limited Rotary drill bits
GB8418481D0 (en) 1984-07-19 1984-08-22 Nl Petroleum Prod Rotary drill bits
US4722405A (en) 1986-10-01 1988-02-02 Dresser Industries, Inc. Wear compensating rock bit insert
US4869330A (en) 1988-01-20 1989-09-26 Eastman Christensen Company Apparatus for establishing hydraulic flow regime in drill bits
GB2218131B (en) 1988-05-06 1992-03-25 Reed Tool Co Improvements in or relating to rotary drill bits
US4981184A (en) 1988-11-21 1991-01-01 Smith International, Inc. Diamond drag bit for soft formations
US5186268A (en) 1991-10-31 1993-02-16 Camco Drilling Group Ltd. Rotary drill bits
US5244039A (en) 1991-10-31 1993-09-14 Camco Drilling Group Ltd. Rotary drill bits
US5890552A (en) 1992-01-31 1999-04-06 Baker Hughes Incorporated Superabrasive-tipped inserts for earth-boring drill bits
US6332503B1 (en) 1992-01-31 2001-12-25 Baker Hughes Incorporated Fixed cutter bit with chisel or vertical cutting elements
US5303785A (en) 1992-08-25 1994-04-19 Smith International, Inc. Diamond back-up for PDC cutters
US5558170A (en) 1992-12-23 1996-09-24 Baroid Technology, Inc. Method and apparatus for improving drill bit stability
GB2274474B (en) 1993-01-21 1996-07-31 Camco Drilling Group Ltd Improvements in or relating to cutter assemblies for rotary drill bits
GB9314954D0 (en) 1993-07-16 1993-09-01 Camco Drilling Group Ltd Improvements in or relating to torary drill bits
US5505273A (en) 1994-01-24 1996-04-09 Smith International, Inc. Compound diamond cutter
US6209420B1 (en) 1994-03-16 2001-04-03 Baker Hughes Incorporated Method of manufacturing bits, bit components and other articles of manufacture
US5595252A (en) 1994-07-28 1997-01-21 Flowdril Corporation Fixed-cutter drill bit assembly and method
US5549171A (en) 1994-08-10 1996-08-27 Smith International, Inc. Drill bit with performance-improving cutting structure
EP0707130B1 (en) 1994-10-15 2003-07-16 Camco Drilling Group Limited Rotary drill bits
US5607024A (en) 1995-03-07 1997-03-04 Smith International, Inc. Stability enhanced drill bit and cutting structure having zones of varying wear resistance
GB2298665B (en) 1995-03-08 1998-11-04 Camco Drilling Group Ltd Improvements in or relating to cutter assemblies for rotary drill bits
US6089336A (en) 1995-10-10 2000-07-18 Camco International (Uk) Limited Rotary drill bits
US5904213A (en) 1995-10-10 1999-05-18 Camco International (Uk) Limited Rotary drill bits
US6059054A (en) 1996-06-21 2000-05-09 Smith International, Inc. Non-symmetrical stress-resistant rotary drill bit cutter element
FR2756002B1 (en) 1996-11-20 1999-04-02 Total Sa BLADE DRILLING TOOL WITH RESERVE SIZES AND CUT-OUT DRAIN CHANNELS
GB9708428D0 (en) 1997-04-26 1997-06-18 Camco Int Uk Ltd Improvements in or relating to rotary drill bits
EP0920568B1 (en) 1997-06-20 2004-05-06 Baker Hughes Incorporated Cutting element tip configuration for an earth-boring bit
US7025156B1 (en) 1997-11-18 2006-04-11 Douglas Caraway Rotary drill bit for casting milling and formation drilling
CA2261495A1 (en) 1998-03-13 1999-09-13 Praful C. Desai Method for milling casing and drilling formation
GB2339810B (en) 1998-07-14 2002-05-22 Camco Internat A method of determining characteristics of a rotary drag-type drill bit
GB2339811B (en) 1998-07-22 2002-05-22 Camco Internat Improvements in or relating to rotary drill bits
US6401844B1 (en) 1998-12-03 2002-06-11 Baker Hughes Incorporated Cutter with complex superabrasive geometry and drill bits so equipped
US8401831B2 (en) 2000-03-13 2013-03-19 Smith International, Inc. Methods for designing secondary cutting structures for a bottom hole assembly
US6328117B1 (en) 2000-04-06 2001-12-11 Baker Hughes Incorporated Drill bit having a fluid course with chip breaker
US6408958B1 (en) 2000-10-23 2002-06-25 Baker Hughes Incorporated Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equipped
US6615934B2 (en) 2001-08-15 2003-09-09 Smith International, Inc. PDC drill bit having cutting structure adapted to improve high speed drilling performance
US6883624B2 (en) * 2003-01-31 2005-04-26 Smith International, Inc. Multi-lobed cutter element for drill bit
US6814926B2 (en) 2003-03-19 2004-11-09 3D Systems Inc. Metal powder composition for laser sintering
US20040231894A1 (en) 2003-05-21 2004-11-25 Dvorachek Harold A Rotary tools or bits
AR044550A1 (en) 2003-05-26 2005-09-21 Shell Int Research DRILLING HEAD AND SYSTEM AND METHOD TO DRILL A DRILLING WELL IN A LAND FORMATION
AR044485A1 (en) 2003-06-12 2005-09-14 Shell Int Research DRILLING MACHINE WITH PERCUSSION, DRILLING SYSTEM THAT INCLUDES SUCH DRILLING MACHINE AND A METHOD FOR DRILLING A WELL
US7070011B2 (en) 2003-11-17 2006-07-04 Baker Hughes Incorporated Steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses
US7455126B2 (en) 2004-05-25 2008-11-25 Shell Oil Company Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore hole
US8109349B2 (en) 2006-10-26 2012-02-07 Schlumberger Technology Corporation Thick pointed superhard material
EP1957750A1 (en) 2005-11-08 2008-08-20 Baker Hughes Incorporated Methods for optimizing efficiency and durability of rotary drag bits and rotary drag bits designed for optimal efficiency and durability
US7641002B2 (en) 2005-11-21 2010-01-05 Hall David R Drill bit
WO2007098159A2 (en) 2006-02-23 2007-08-30 Baker Hughes Incorporated Backup cutting element insert for rotary drill bits
US7694756B2 (en) 2006-03-23 2010-04-13 Hall David R Indenting member for a drill bit
US20070261890A1 (en) 2006-05-10 2007-11-15 Smith International, Inc. Fixed Cutter Bit With Centrally Positioned Backup Cutter Elements
GB2438520B (en) 2006-05-26 2009-01-28 Smith International Drill Bit
US20080035389A1 (en) 2006-08-11 2008-02-14 Hall David R Roof Mining Drill Bit
US8622155B2 (en) 2006-08-11 2014-01-07 Schlumberger Technology Corporation Pointed diamond working ends on a shear bit
US8215420B2 (en) 2006-08-11 2012-07-10 Schlumberger Technology Corporation Thermally stable pointed diamond with increased impact resistance
US8122980B2 (en) 2007-06-22 2012-02-28 Schlumberger Technology Corporation Rotary drag bit with pointed cutting elements
US8590644B2 (en) * 2006-08-11 2013-11-26 Schlumberger Technology Corporation Downhole drill bit
US8960337B2 (en) 2006-10-26 2015-02-24 Schlumberger Technology Corporation High impact resistant tool with an apex width between a first and second transitions
EP2118430A2 (en) 2007-01-25 2009-11-18 Baker Hughes Incorporated Rotary drag bit
US20080223622A1 (en) * 2007-03-13 2008-09-18 Duggan James L Earth-boring tools having pockets for receiving cutting elements therein and methods of forming such pockets and earth-boring tools
US7845435B2 (en) 2007-04-05 2010-12-07 Baker Hughes Incorporated Hybrid drill bit and method of drilling
US7703557B2 (en) 2007-06-11 2010-04-27 Smith International, Inc. Fixed cutter bit with backup cutter elements on primary blades
US7954571B2 (en) 2007-10-02 2011-06-07 Baker Hughes Incorporated Cutting structures for casing component drillout and earth-boring drill bits including same
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
US9016407B2 (en) 2007-12-07 2015-04-28 Smith International, Inc. Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied
US8100202B2 (en) 2008-04-01 2012-01-24 Smith International, Inc. Fixed cutter bit with backup cutter elements on secondary blades
US8540037B2 (en) 2008-04-30 2013-09-24 Schlumberger Technology Corporation Layered polycrystalline diamond
US7628233B1 (en) 2008-07-23 2009-12-08 Hall David R Carbide bolster
US8752656B2 (en) 2008-12-18 2014-06-17 Smith International, Inc. Method of designing a bottom hole assembly and a bottom hole assembly
US20100326740A1 (en) 2009-06-26 2010-12-30 Hall David R Bonded Assembly Having Low Residual Stress
US20110083906A1 (en) 2009-10-14 2011-04-14 Hall David R Fixed Bladed Drill Bit Force Balanced by Blade Spacing
US8505634B2 (en) 2009-12-28 2013-08-13 Baker Hughes Incorporated Earth-boring tools having differing cutting elements on a blade and related methods
SA111320671B1 (en) 2010-08-06 2015-01-22 بيكر هوغيس انكور Shaped cutting elements for earth boring tools, earth boring tools including such cutting elements, and related methods
US20120125687A1 (en) 2010-11-24 2012-05-24 Tiger 19 Partners, Ltd. Hard Rock Rotary Drill Bit and Method of Drilling Using Crowned Cutter Elements

Also Published As

Publication number Publication date
ZA201205714B (en) 2013-05-29
WO2011097575A3 (en) 2011-11-10
CA2788816C (en) 2015-11-24
EP2531690A4 (en) 2017-06-14
WO2011097575A2 (en) 2011-08-11
EP2531690B1 (en) 2019-04-03
EP2531690A2 (en) 2012-12-12
CA2788816A1 (en) 2011-08-11
US8794356B2 (en) 2014-08-05
US20110192651A1 (en) 2011-08-11

Similar Documents

Publication Publication Date Title
WO2011097575A4 (en) Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same
WO2011090618A4 (en) Earth-boring tools having differing cutting elements on a blade and related methods
GB201315948D0 (en) Cutting structures for fixed cutter drill bit and other downhole cutting tools
CA2533497A1 (en) Pdc drill bit using optimized side rake angle
WO2011005774A4 (en) Backup cutting elements on non-concentric reaming tools
EP3042022B1 (en) Drill bit having gouging and shear cutters
WO2008092130B1 (en) Rotary drag bit and methods therefor
WO2011017376A4 (en) Superabrasive cutters with grooves on the cutting face and drill bits and drilling tools so equipped
WO2010141579A4 (en) Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angeles, drill bits so equipped and methods of drilling
WO2008144036A3 (en) Method of repairing diamond rock bit
WO2012162537A3 (en) Jet arrangement on an expandable downhole tool
WO2012048017A3 (en) Diamond impregnated cutting structures, earth-boring drill bits and other tools including diamond impregnated cutting structures, and related methods
WO2012148965A3 (en) Drill bit for boring earth and other hard materials
US9920576B2 (en) Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
WO2012012774A3 (en) Polycrystalline diamond cutting element and method of using same
WO2011059685A4 (en) Backup cutting elements on non concentric earth boring tools and related methods
GB2581090A (en) Earth-boring tools having a gauge region configured for reduced bit walk and method of drilling with same
WO2010014725A4 (en) Earth boring drill bits with using opposed kerfing for cutters
US20180030787A1 (en) Earth-boring tools, methods of forming earth-boring tools, and methods of forming a borehole in a subterranean formation
CA2927375A1 (en) Wellbore drill bit having shear cutters and gouging cutters
WO2015111016A1 (en) Drill bit for drilling a borehole
US20160017665A1 (en) Reduced length and low cobalt content cutters and drill bit made therewith
US20150090502A1 (en) Shear claw bit

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11740494

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2788816

Country of ref document: CA

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2011740494

Country of ref document: EP