CL2012001848A1 - Herramienta de perforacion impregnada, que tiene una seccion de corte que comprende, una matriz de material particulado duro, medios de corte dispersos en la matriz, y una pluralidad de estructuras alargadas dispersas en la matriz, donde la matriz permite erosionar y exponer los medios de corte durante la perforacion; y barrena de perforacion. - Google Patents
Herramienta de perforacion impregnada, que tiene una seccion de corte que comprende, una matriz de material particulado duro, medios de corte dispersos en la matriz, y una pluralidad de estructuras alargadas dispersas en la matriz, donde la matriz permite erosionar y exponer los medios de corte durante la perforacion; y barrena de perforacion.Info
- Publication number
- CL2012001848A1 CL2012001848A1 CL2012001848A CL2012001848A CL2012001848A1 CL 2012001848 A1 CL2012001848 A1 CL 2012001848A1 CL 2012001848 A CL2012001848 A CL 2012001848A CL 2012001848 A CL2012001848 A CL 2012001848A CL 2012001848 A1 CL2012001848 A1 CL 2012001848A1
- Authority
- CL
- Chile
- Prior art keywords
- matrix
- cutting
- dispersed
- erode
- expose
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title abstract 5
- 239000011236 particulate material Substances 0.000 title abstract 2
- 239000011159 matrix material Substances 0.000 title 4
- 230000003628 erosive effect Effects 0.000 abstract 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
- Earth Drilling (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
La presente invención se refiere a una herramienta de perforación que permite controlar la resistencia y/o la tasa de erosión de una matriz en la sección de corte de la herramienta, para optimizar su rendimiento de corte. Esta herramienta comprende una sección de corte que a su vez comprende un material particulado, una matriz adaptada para erosionar y exponer medios de corte durante la perforación, una pluralidad de medios de corte y una pluralidad de estructuras alargadas. La presente invención también se relaciona con una barrena de perforación.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/217,107 US9267332B2 (en) | 2006-11-30 | 2011-08-24 | Impregnated drilling tools including elongated structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2012001848A1 true CL2012001848A1 (es) | 2013-02-22 |
Family
ID=47747024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2012001848A CL2012001848A1 (es) | 2011-08-24 | 2012-07-06 | Herramienta de perforacion impregnada, que tiene una seccion de corte que comprende, una matriz de material particulado duro, medios de corte dispersos en la matriz, y una pluralidad de estructuras alargadas dispersas en la matriz, donde la matriz permite erosionar y exponer los medios de corte durante la perforacion; y barrena de perforacion. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US9267332B2 (es) |
| EP (1) | EP2748403A4 (es) |
| CN (1) | CN103748309B (es) |
| AU (1) | AU2012299446B2 (es) |
| BR (1) | BR102012001234A2 (es) |
| CA (1) | CA2846022C (es) |
| CL (1) | CL2012001848A1 (es) |
| PE (1) | PE20130486A1 (es) |
| WO (1) | WO2013028256A2 (es) |
| ZA (1) | ZA201402147B (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112013008180A2 (pt) | 2010-10-08 | 2016-06-21 | Baker Hughes Inc | materiais compósitos incluindo nanopartículas, ferramentas de sondagem da terra e componentes incluindo tais materiais compósitos, materiais policristalinos incluindo nanopartículas, e métodos relacionados |
| WO2015009298A1 (en) | 2013-07-18 | 2015-01-22 | Halliburton Energy Services, Inc. | Joints comprising carbon nanoforests |
| ES2865302T3 (es) | 2015-01-12 | 2021-10-15 | Longyear Tm Inc | Herramientas de perforación que tienen matrices con aleaciones con formación de carburos, y métodos de realización y utilización de las mismas |
| CN105545214B (zh) * | 2016-02-03 | 2017-11-03 | 中国有色桂林矿产地质研究院有限公司 | 主副底喷型激光焊接金刚石钻头及其制造方法 |
| US11459830B2 (en) * | 2016-08-29 | 2022-10-04 | Schlumberger Technology Corporation | Devices and systems for using additive manufacturing to manufacture a tool crown |
| CN108015906A (zh) | 2016-10-28 | 2018-05-11 | 圣戈班磨料磨具有限公司 | 空芯钻头及其制造方法 |
| CN109798073B (zh) * | 2019-04-11 | 2023-10-13 | 吉林大学 | 一种利用摩擦热能碎岩的孕镶金刚石钻具 |
| CN109989714B (zh) * | 2019-05-05 | 2024-01-23 | 中国地质大学(北京) | 一种深部硬地层超高转速钻进用钻头 |
| US12473475B2 (en) | 2021-03-05 | 2025-11-18 | Saint-Gobain Abrasives, Inc. | Abrasive articles and methods for forming same |
| EP4301552A4 (en) | 2021-03-05 | 2025-03-05 | Saint-gobain Abrasives, Inc | Abrasive articles and methods for forming same |
| US12296434B2 (en) | 2021-12-30 | 2025-05-13 | Saint-Gobain Abrasives, Inc. | Abrasive articles and methods for forming same |
| US12064850B2 (en) | 2021-12-30 | 2024-08-20 | Saint-Gobain Abrasives, Inc. | Abrasive articles and methods for forming same |
| WO2025005955A1 (en) * | 2023-06-27 | 2025-01-02 | Cnpc Usa Corporation | Impregnated diamond cutter with an improved rop |
| CN119641241A (zh) * | 2025-02-17 | 2025-03-18 | 中国电建集团成都勘测设计研究院有限公司 | 超硬地层大角度曲线导向连续取心钻头 |
Family Cites Families (78)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1041568A (en) | 1911-05-19 | 1912-10-15 | Franz Bade | Diamond drill. |
| US1939991A (en) | 1931-12-17 | 1933-12-19 | Hard Metal Alloys Inc | Diamond cutting tool or the like and method of making the same |
| US2147843A (en) | 1938-03-18 | 1939-02-21 | R S Patrick Duluth | Method of casting diamond core drill bits |
| US2326908A (en) | 1942-05-29 | 1943-08-17 | Jr Edward B Williams | Drill bit |
| US2371488A (en) | 1943-05-06 | 1945-03-13 | Howard C Grubb | Core bit |
| US2495400A (en) | 1946-06-03 | 1950-01-24 | Jr Edward B Williams | Core bit |
| US2552485A (en) | 1947-01-23 | 1951-05-08 | Carborundum Co | Abrasive tool comprising bonded abrasive element cemented to supporting element |
| US2811960A (en) | 1957-02-26 | 1957-11-05 | Fessel Paul | Abrasive cutting body |
| US3215215A (en) | 1962-08-27 | 1965-11-02 | Exxon Production Research Co | Diamond bit |
| US3972161A (en) | 1968-07-01 | 1976-08-03 | Barnes Drill Co. | Solid abrading tool with fiber abrasive |
| US3537538A (en) | 1969-05-21 | 1970-11-03 | Christensen Diamond Prod Co | Impregnated diamond bit |
| US4186628A (en) | 1976-11-30 | 1980-02-05 | General Electric Company | Rotary drill bit and method for making same |
| JPS5382601A (en) * | 1976-12-28 | 1978-07-21 | Tokiwa Kogyo Kk | Rotary grinding type excavation drill head |
| US4128136A (en) | 1977-12-09 | 1978-12-05 | Lamage Limited | Drill bit |
| US4208154A (en) | 1978-03-21 | 1980-06-17 | Gundy William P | Core drill |
| US4211294A (en) | 1978-04-21 | 1980-07-08 | Acker Drill Company, Inc. | Impregnated diamond drill bit |
| US4189015A (en) | 1978-08-21 | 1980-02-19 | Acker Drill Company, Inc. | Drill bits for obtaining core samples |
| US4452325A (en) | 1982-09-27 | 1984-06-05 | Conoco Inc. | Composite structure for cutting tools |
| US4534773A (en) | 1983-01-10 | 1985-08-13 | Cornelius Phaal | Abrasive product and method for manufacturing |
| US4499959A (en) | 1983-03-14 | 1985-02-19 | Christensen, Inc. | Tooth configuration for an earth boring bit |
| US4595623A (en) | 1984-05-07 | 1986-06-17 | Hughes Aircraft Company | Fiber-reinforced syntactic foam composites and method of forming same |
| IT1181570B (it) | 1984-09-14 | 1987-09-30 | Marcello Toncelli | Procedimento per la formazione di blocchi di materiali qualsiasi mediante l'azione contemporanea di vibrapioni,compressione e vuoto destinati al taglio in lastre ed apparecchiature adatte a realizzare il procedimento stesso |
| US4613287A (en) | 1985-01-31 | 1986-09-23 | Hambley Charles C | Wave operated energy device |
| DE3600189A1 (de) | 1986-01-16 | 1987-07-16 | Kazachskij Politekhn I Im W I | Diamantbohrkrone |
| US4863490A (en) | 1988-02-22 | 1989-09-05 | Gte Laboratories Incorporated | Titanium diboride-based composite articles with alumina dispersoids, having improved fracture toughness |
| DE3901528A1 (de) | 1989-01-20 | 1990-07-26 | Hilti Ag | Hohlbohrwerkzeug |
| US4925457B1 (en) | 1989-01-30 | 1995-09-26 | Ultimate Abrasive Syst Inc | Method for making an abrasive tool |
| GB8907618D0 (en) | 1989-04-05 | 1989-05-17 | Morrison Pumps Sa | Drilling |
| GB8921828D0 (en) | 1989-09-27 | 1989-11-08 | Rotabroach Ltd | Annular hole cutter |
| JPH03243735A (ja) | 1990-02-22 | 1991-10-30 | Tatsuro Kuratomi | ウイスカー複合ダイヤモンド焼結体およびその製造法 |
| US5052153A (en) | 1990-09-06 | 1991-10-01 | Wiand Ronald C | Cutting tool with polycrystalline diamond segment and abrasive grit |
| US5451352A (en) | 1992-02-03 | 1995-09-19 | Pcc Composites, Inc. | Method of forming a diamond composite structure |
| DE69332263T2 (de) | 1992-06-30 | 2003-08-07 | Sumitomo Electric Industries, Ltd. | Schneidwerkzeug unter Anwendung von aus der Dampfphase abgeschiedenem polykristallinem Diamant für die Schneidkante und Verfahren zu dessen Herstellung |
| US5677372A (en) | 1993-04-06 | 1997-10-14 | Sumitomo Electric Industries, Ltd. | Diamond reinforced composite material |
| US5536485A (en) | 1993-08-12 | 1996-07-16 | Agency Of Industrial Science & Technology | Diamond sinter, high-pressure phase boron nitride sinter, and processes for producing those sinters |
| US5429200A (en) * | 1994-03-31 | 1995-07-04 | Dresser Industries, Inc. | Rotary drill bit with improved cutter |
| JP3687215B2 (ja) | 1995-09-25 | 2005-08-24 | 新東工業株式会社 | 耐熱金属繊維焼結体の製造方法 |
| US5996571A (en) | 1996-02-01 | 1999-12-07 | Diamond Products Joint Venture | Diamond core drill bit |
| ATE216435T1 (de) | 1996-09-04 | 2002-05-15 | Anglo Operations Ltd | Herstellung eines metallgebundenen schleifkörpers |
| DE19703202A1 (de) | 1997-01-30 | 1998-08-06 | Deutsch Zentr Luft & Raumfahrt | Werkzeug zur spanabhebenden Bearbeitung von Werkstücken |
| US5901964A (en) | 1997-02-06 | 1999-05-11 | John R. Williams | Seal for a longitudinally movable drillstring component |
| US6607835B2 (en) | 1997-07-31 | 2003-08-19 | Smith International, Inc. | Composite constructions with ordered microstructure |
| AUPO857197A0 (en) | 1997-08-15 | 1997-09-04 | Benthic Geotech Pty Ltd | Improved methods for seabed piston coring |
| US6084052A (en) | 1998-02-19 | 2000-07-04 | Schlumberger Technology Corporation | Use of polyaryletherketone-type thermoplastics in downhole tools |
| US6390890B1 (en) | 1999-02-06 | 2002-05-21 | Charles J Molnar | Finishing semiconductor wafers with a fixed abrasive finishing element |
| US6179887B1 (en) | 1999-02-17 | 2001-01-30 | 3M Innovative Properties Company | Method for making an abrasive article and abrasive articles thereof |
| US6399737B1 (en) | 2001-09-21 | 2002-06-04 | General Electric Company | EMI-shielding thermoplastic composition, method for the preparation thereof, and pellets and articles derived therefrom |
| USD466139S1 (en) | 2001-11-16 | 2002-11-26 | Ehwa Diamond Industrial Co., Ltd. | Core drill |
| CN2521373Y (zh) | 2001-12-21 | 2002-11-20 | 长沙矿冶研究院 | 一种孕镶金刚石取芯钻头胎体结构 |
| JP2003243735A (ja) | 2002-02-20 | 2003-08-29 | Fujitsu Ltd | トンネル接合デバイス |
| CA2419752A1 (en) | 2002-02-26 | 2003-08-26 | Smith International, Inc. | Elongate ultra hard particle reinforced ultra hard materials and ceramics, tools and parts incorporating the same, and method of making the same |
| US6934600B2 (en) | 2002-03-14 | 2005-08-23 | Auburn University | Nanotube fiber reinforced composite materials and method of producing fiber reinforced composites |
| US7141086B2 (en) | 2002-06-03 | 2006-11-28 | Ricoh Company, Ltd. | Abrasive grain and method for producing it, polishing tool and method for producing it, grinding wheel and method for producing it, and polishing apparatus |
| US6997977B2 (en) | 2002-07-31 | 2006-02-14 | Donaldson Company, Inc. | Adsorptive duct for contaminant removal, and methods |
| US20050189647A1 (en) | 2002-10-11 | 2005-09-01 | Chien-Min Sung | Carbonaceous composite heat spreader and associated methods |
| JP2004181584A (ja) | 2002-12-04 | 2004-07-02 | Showa Denko Kk | 研磨用複合材料及び砥石、研削材料、研磨材料並びに電子部品の加工方法及びシリコンの加工方法 |
| JP4192037B2 (ja) | 2003-06-02 | 2008-12-03 | 京セラ株式会社 | 切削工具およびその製造方法 |
| US7013998B2 (en) | 2003-11-20 | 2006-03-21 | Halliburton Energy Services, Inc. | Drill bit having an improved seal and lubrication method using same |
| US7243744B2 (en) | 2003-12-02 | 2007-07-17 | Smith International, Inc. | Randomly-oriented composite constructions |
| US20050211475A1 (en) | 2004-04-28 | 2005-09-29 | Mirchandani Prakash K | Earth-boring bits |
| US7243745B2 (en) | 2004-07-28 | 2007-07-17 | Baker Hughes Incorporated | Cutting elements and rotary drill bits including same |
| WO2006076795A1 (en) | 2005-01-18 | 2006-07-27 | Groupe Fordia Inc | Bit for drilling a hole |
| JP4403286B2 (ja) | 2005-03-15 | 2010-01-27 | 株式会社片桐製作所 | 超硬合金工具材料、およびその製造方法 |
| JP2006255822A (ja) | 2005-03-16 | 2006-09-28 | Nippon Electric Glass Co Ltd | 繊維切断刃及びそれを具備する切断装置 |
| US20060243494A1 (en) | 2005-04-28 | 2006-11-02 | Baker Hughes Incorporated | Earth boring bit lubricant chamber barrier member with dispersed fibers |
| FR2886290B1 (fr) | 2005-05-27 | 2007-07-13 | Snecma Moteurs Sa | Procede de fabrication d'une piece avec un insert en materiau composite a matrice metallique et fibres ceramiques |
| US8016056B2 (en) * | 2005-07-01 | 2011-09-13 | Sandvik Intellectual Property Ab | Asymmetric graded composites for improved drill bits |
| US7862634B2 (en) * | 2006-11-14 | 2011-01-04 | Smith International, Inc. | Polycrystalline composites reinforced with elongated nanostructures |
| CN101191169A (zh) * | 2006-11-27 | 2008-06-04 | 彭新明 | 碳纳米管-金刚石-硬质合金复合材料及其制法和应用 |
| AU2011226850B2 (en) | 2006-11-30 | 2014-02-27 | Longyear Tm, Inc. | Fibre-containing diamond-impregnated cutting tools |
| AU2007342231B2 (en) | 2006-11-30 | 2011-06-23 | Longyear Tm, Inc. | Fiber-containing diamond-impregnated cutting tools |
| US9540883B2 (en) | 2006-11-30 | 2017-01-10 | Longyear Tm, Inc. | Fiber-containing diamond-impregnated cutting tools and methods of forming and using same |
| AU2011226849B2 (en) | 2006-11-30 | 2012-09-06 | Longyear Tm, Inc. | Fiber-containing diamond-impregnated cutting tools |
| US7628228B2 (en) | 2006-12-14 | 2009-12-08 | Longyear Tm, Inc. | Core drill bit with extended crown height |
| US8459381B2 (en) | 2006-12-14 | 2013-06-11 | Longyear Tm, Inc. | Drill bits with axially-tapered waterways |
| CN101324175B (zh) * | 2008-07-29 | 2011-08-31 | 贺端威 | 石油钻探用金刚石-碳化硅复合钻齿及其制备方法 |
| US8590646B2 (en) | 2009-09-22 | 2013-11-26 | Longyear Tm, Inc. | Impregnated cutting elements with large abrasive cutting media and methods of making and using the same |
| TW201404527A (zh) | 2012-06-29 | 2014-02-01 | 聖高拜磨料有限公司 | 研磨物品及形成方法 |
-
2011
- 2011-08-24 US US13/217,107 patent/US9267332B2/en not_active Expired - Fee Related
-
2012
- 2012-01-18 BR BRBR102012001234-0A patent/BR102012001234A2/pt not_active IP Right Cessation
- 2012-03-06 PE PE2012000297A patent/PE20130486A1/es active IP Right Grant
- 2012-06-25 EP EP12826384.5A patent/EP2748403A4/en not_active Withdrawn
- 2012-06-25 CN CN201280041225.0A patent/CN103748309B/zh not_active Expired - Fee Related
- 2012-06-25 WO PCT/US2012/044003 patent/WO2013028256A2/en not_active Ceased
- 2012-06-25 CA CA2846022A patent/CA2846022C/en active Active
- 2012-06-25 AU AU2012299446A patent/AU2012299446B2/en not_active Ceased
- 2012-07-06 CL CL2012001848A patent/CL2012001848A1/es unknown
-
2014
- 2014-03-24 ZA ZA2014/02147A patent/ZA201402147B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013028256A8 (en) | 2014-03-13 |
| CN103748309A (zh) | 2014-04-23 |
| US9267332B2 (en) | 2016-02-23 |
| EP2748403A4 (en) | 2015-10-28 |
| PE20130486A1 (es) | 2013-04-17 |
| CA2846022C (en) | 2016-11-22 |
| WO2013028256A3 (en) | 2013-07-11 |
| CA2846022A1 (en) | 2013-02-28 |
| CN103748309B (zh) | 2016-06-22 |
| WO2013028256A2 (en) | 2013-02-28 |
| ZA201402147B (en) | 2015-09-30 |
| US20110303465A1 (en) | 2011-12-15 |
| AU2012299446B2 (en) | 2016-04-21 |
| EP2748403A2 (en) | 2014-07-02 |
| AU2012299446A1 (en) | 2014-03-13 |
| BR102012001234A2 (pt) | 2013-07-30 |
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