DE69630485D1 - Erdbohrmeissel mit Umfangsscherelementen - Google Patents
Erdbohrmeissel mit UmfangsscherelementenInfo
- Publication number
- DE69630485D1 DE69630485D1 DE69630485T DE69630485T DE69630485D1 DE 69630485 D1 DE69630485 D1 DE 69630485D1 DE 69630485 T DE69630485 T DE 69630485T DE 69630485 T DE69630485 T DE 69630485T DE 69630485 D1 DE69630485 D1 DE 69630485D1
- Authority
- DE
- Germany
- Prior art keywords
- drill bit
- shear elements
- earth drill
- circumferential shear
- circumferential
- 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.)
- Expired - Lifetime
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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5676—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/573—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
- E21B10/5735—Interface between the substrate and the cutting element
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1092—Gauge section of drill bits
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/468,692 US5592995A (en) | 1995-06-06 | 1995-06-06 | Earth-boring bit having shear-cutting heel elements |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69630485D1 true DE69630485D1 (de) | 2003-12-04 |
Family
ID=23860843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69630485T Expired - Lifetime DE69630485D1 (de) | 1995-06-06 | 1996-06-06 | Erdbohrmeissel mit Umfangsscherelementen |
Country Status (3)
Country | Link |
---|---|
US (1) | US5592995A (de) |
EP (1) | EP0747566B1 (de) |
DE (1) | DE69630485D1 (de) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5890552A (en) * | 1992-01-31 | 1999-04-06 | Baker Hughes Incorporated | Superabrasive-tipped inserts for earth-boring drill bits |
US5746280A (en) * | 1996-06-06 | 1998-05-05 | Baker Hughes Incorporated | Earth-boring bit having shear-cutting inner row elements |
WO1997048873A2 (en) * | 1996-06-21 | 1997-12-24 | Smith International, Inc. | Non-symmetrical stress-resistant rotary drill bit cutter element |
GB2330850B (en) * | 1996-06-21 | 2000-11-29 | Smith International | Earth-boring bit |
US6059054A (en) * | 1996-06-21 | 2000-05-09 | Smith International, Inc. | Non-symmetrical stress-resistant rotary drill bit cutter element |
US5813485A (en) * | 1996-06-21 | 1998-09-29 | Smith International, Inc. | Cutter element adapted to withstand tensile stress |
GB2330605B (en) * | 1996-06-21 | 2000-08-16 | Smith International | Cutter element adapted to withstand tensile stress |
US5967249A (en) * | 1997-02-03 | 1999-10-19 | Baker Hughes Incorporated | Superabrasive cutters with structure aligned to loading and method of drilling |
US5855247A (en) * | 1997-02-14 | 1999-01-05 | Baker Hughes Incorporated | Rolling-cutter earth-boring bit having predominantly super-hard cutting elements |
US5868213A (en) * | 1997-04-04 | 1999-02-09 | Smith International, Inc. | Steel tooth cutter element with gage facing knee |
US6029759A (en) * | 1997-04-04 | 2000-02-29 | Smith International, Inc. | Hardfacing on steel tooth cutter element |
US5839526A (en) * | 1997-04-04 | 1998-11-24 | Smith International, Inc. | Rolling cone steel tooth bit with enhancements in cutter shape and placement |
US5954147A (en) * | 1997-07-09 | 1999-09-21 | Baker Hughes Incorporated | Earth boring bits with nanocrystalline diamond enhanced elements |
SE513015C2 (sv) * | 1997-11-19 | 2000-06-19 | Sandvik Ab | Rullborrkrona och stiftrulle för bergborrning |
US6199645B1 (en) | 1998-02-13 | 2001-03-13 | Smith International, Inc. | Engineered enhanced inserts for rock drilling bits |
US6241036B1 (en) | 1998-09-16 | 2001-06-05 | Baker Hughes Incorporated | Reinforced abrasive-impregnated cutting elements, drill bits including same |
US6176333B1 (en) * | 1998-12-04 | 2001-01-23 | Baker Huges Incorporated | Diamond cap cutting elements with flats |
US6227318B1 (en) | 1998-12-07 | 2001-05-08 | Smith International, Inc. | Superhard material enhanced inserts for earth-boring bits |
US6290008B1 (en) | 1998-12-07 | 2001-09-18 | Smith International, Inc. | Inserts for earth-boring bits |
US6241035B1 (en) | 1998-12-07 | 2001-06-05 | Smith International, Inc. | Superhard material enhanced inserts for earth-boring bits |
US6360832B1 (en) * | 2000-01-03 | 2002-03-26 | Baker Hughes Incorporated | Hardfacing with multiple grade layers |
US6510910B2 (en) * | 2001-02-09 | 2003-01-28 | Smith International, Inc. | Unplanar non-axisymmetric inserts |
US6766870B2 (en) * | 2002-08-21 | 2004-07-27 | Baker Hughes Incorporated | Mechanically shaped hardfacing cutting/wear structures |
US6997273B2 (en) * | 2002-11-15 | 2006-02-14 | Smith International, Inc. | Blunt faced cutter element and enhanced drill bit and cutting structure |
US6883624B2 (en) * | 2003-01-31 | 2005-04-26 | Smith International, Inc. | Multi-lobed cutter element for drill bit |
US20060011388A1 (en) * | 2003-01-31 | 2006-01-19 | Mohammed Boudrare | Drill bit and cutter element having multiple extensions |
US6929079B2 (en) | 2003-02-21 | 2005-08-16 | Smith International, Inc. | Drill bit cutter element having multiple cusps |
US6923276B2 (en) * | 2003-02-19 | 2005-08-02 | Baker Hughes Incorporated | Streamlined mill-toothed cone for earth boring bit |
US7040424B2 (en) * | 2003-03-04 | 2006-05-09 | Smith International, Inc. | Drill bit and cutter having insert clusters and method of manufacture |
US20050178587A1 (en) * | 2004-01-23 | 2005-08-18 | Witman George B.Iv | Cutting structure for single roller cone drill bit |
US20050247486A1 (en) * | 2004-04-30 | 2005-11-10 | Smith International, Inc. | Modified cutters |
US20050257963A1 (en) * | 2004-05-20 | 2005-11-24 | Joseph Tucker | Self-Aligning Insert for Drill Bits |
GB2438319B (en) | 2005-02-08 | 2009-03-04 | Smith International | Thermally stable polycrystalline diamond cutting elements and bits incorporating the same |
GB2427633B (en) * | 2005-05-17 | 2007-08-15 | Smith International | Drill bit and method of designing a drill bit |
US7757789B2 (en) * | 2005-06-21 | 2010-07-20 | Smith International, Inc. | Drill bit and insert having bladed interface between substrate and coating |
US7624825B2 (en) * | 2005-10-18 | 2009-12-01 | Smith International, Inc. | Drill bit and cutter element having aggressive leading side |
US7743855B2 (en) * | 2006-09-05 | 2010-06-29 | Smith International, Inc. | Drill bit with cutter element having multifaceted, slanted top cutting surface |
US8205692B2 (en) * | 2007-01-03 | 2012-06-26 | Smith International, Inc. | Rock bit and inserts with a chisel crest having a broadened region |
US7631709B2 (en) | 2007-01-03 | 2009-12-15 | Smith International, Inc. | Drill bit and cutter element having chisel crest with protruding pilot portion |
US7686106B2 (en) * | 2007-01-03 | 2010-03-30 | Smith International, Inc. | Rock bit and inserts with wear relief grooves |
US7798258B2 (en) * | 2007-01-03 | 2010-09-21 | Smith International, Inc. | Drill bit with cutter element having crossing chisel crests |
US8083012B2 (en) | 2008-10-03 | 2011-12-27 | Smith International, Inc. | Diamond bonded construction with thermally stable region |
US8833492B2 (en) * | 2008-10-08 | 2014-09-16 | Smith International, Inc. | Cutters for fixed cutter bits |
US8789894B2 (en) * | 2009-01-13 | 2014-07-29 | Diamond Innovations, Inc. | Radial tool with superhard cutting surface |
US8316968B2 (en) * | 2009-05-01 | 2012-11-27 | Smith International, Inc. | Rolling cone drill bit having sharp cutting elements in a zone of interest |
SA111320671B1 (ar) | 2010-08-06 | 2015-01-22 | بيكر هوغيس انكور | عوامل القطع المشكلة لادوات ثقب الارض و ادوات ثقب الارض شاملة عوامل القطع هذه و الطرق المختصة بها |
US8607899B2 (en) | 2011-02-18 | 2013-12-17 | National Oilwell Varco, L.P. | Rock bit and cutter teeth geometries |
EP2812523B1 (de) * | 2012-02-08 | 2019-08-07 | Baker Hughes, a GE company, LLC | Geformte schneideelemente für erdbohrwerkzeuge und erdbohrwerkzeuge mit solchen schneideelementen |
US9249628B2 (en) * | 2012-11-16 | 2016-02-02 | National Oilwell DHT, L.P. | Hybrid rolling cone drill bits and methods for manufacturing same |
US20140182947A1 (en) | 2012-12-28 | 2014-07-03 | Smith International, Inc. | Cutting insert for percussion drill bit |
US20140262543A1 (en) * | 2013-03-15 | 2014-09-18 | Chesapeake Operating, Inc. | Drill bit |
AU2017207287A1 (en) | 2016-01-13 | 2018-07-12 | Schlumberger Technology B.V. | Angled chisel insert |
US10697248B2 (en) | 2017-10-04 | 2020-06-30 | Baker Hughes, A Ge Company, Llc | Earth-boring tools and related methods |
US11566473B2 (en) | 2018-05-29 | 2023-01-31 | Quanta Associates, L.P. | Horizontal directional reaming |
US10954721B2 (en) * | 2018-06-11 | 2021-03-23 | Baker Hughes Holdings Llc | Earth-boring tools and related methods |
CN110145239B (zh) * | 2019-05-20 | 2021-03-09 | 中国地质大学(北京) | 钻探用镶齿、牙轮钻头及钻探用镶齿的加工方法 |
WO2024006294A2 (en) * | 2022-06-29 | 2024-01-04 | Shear Bits, Inc. | Combination shear and gouging cutting element and well construction tools made therewith |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4343371A (en) * | 1980-04-28 | 1982-08-10 | Smith International, Inc. | Hybrid rock bit |
US4359335A (en) * | 1980-06-05 | 1982-11-16 | Smith International, Inc. | Method of fabrication of rock bit inserts of tungsten carbide (WC) and cobalt (Co) with cutting surface wear pad of relative hardness and body portion of relative toughness sintered as an integral composite |
US4694918A (en) * | 1985-04-29 | 1987-09-22 | Smith International, Inc. | Rock bit with diamond tip inserts |
US4854405A (en) * | 1988-01-04 | 1989-08-08 | American National Carbide Company | Cutting tools |
US4940099A (en) * | 1989-04-05 | 1990-07-10 | Reed Tool Company | Cutting elements for roller cutter drill bits |
FR2677699B1 (fr) * | 1991-06-11 | 1997-03-14 | Total Petroles | Outil de forage a molettes coniques rotatives. |
US5287936A (en) * | 1992-01-31 | 1994-02-22 | Baker Hughes Incorporated | Rolling cone bit with shear cutting gage |
US5341890A (en) * | 1993-01-08 | 1994-08-30 | Smith International, Inc. | Ultra hard insert cutters for heel row rotary cone rock bit applications |
-
1995
- 1995-06-06 US US08/468,692 patent/US5592995A/en not_active Expired - Lifetime
-
1996
- 1996-06-06 DE DE69630485T patent/DE69630485D1/de not_active Expired - Lifetime
- 1996-06-06 EP EP96304207A patent/EP0747566B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0747566A1 (de) | 1996-12-11 |
EP0747566B1 (de) | 2003-10-29 |
US5592995A (en) | 1997-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |