IT1290133B1 - Elementi di taglio nella superficie conica di calibratura rotante con superfici di taglio multiple ultra-dure - Google Patents
Elementi di taglio nella superficie conica di calibratura rotante con superfici di taglio multiple ultra-dureInfo
- Publication number
- IT1290133B1 IT1290133B1 IT97MI000635A ITMI970635A IT1290133B1 IT 1290133 B1 IT1290133 B1 IT 1290133B1 IT 97MI000635 A IT97MI000635 A IT 97MI000635A IT MI970635 A ITMI970635 A IT MI970635A IT 1290133 B1 IT1290133 B1 IT 1290133B1
- Authority
- IT
- Italy
- Prior art keywords
- ultra
- calibration surface
- conical rotary
- cutting elements
- rotary calibration
- Prior art date
Links
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
- E21B10/56—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 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
-
- 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
- E21B10/50—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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Earth Drilling (AREA)
- Milling Processes (AREA)
- Drilling Tools (AREA)
- Turning (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/628,534 US5722497A (en) | 1996-03-21 | 1996-03-21 | Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ITMI970635A1 ITMI970635A1 (it) | 1998-09-20 |
| IT1290133B1 true IT1290133B1 (it) | 1998-10-19 |
Family
ID=24519300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT97MI000635A IT1290133B1 (it) | 1996-03-21 | 1997-03-20 | Elementi di taglio nella superficie conica di calibratura rotante con superfici di taglio multiple ultra-dure |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5722497A (it) |
| CN (1) | CN1214102A (it) |
| GB (1) | GB2321265B (it) |
| ID (1) | ID17122A (it) |
| IT (1) | IT1290133B1 (it) |
| MX (1) | MX9801996A (it) |
| WO (1) | WO1997035091A1 (it) |
Families Citing this family (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5890550A (en) | 1997-05-09 | 1999-04-06 | Baker Hughes Incorporation | Earth-boring bit with wear-resistant material |
| GB9803096D0 (en) * | 1998-02-14 | 1998-04-08 | Camco Int Uk Ltd | Improvements in preform elements and mountings therefor |
| GB9820693D0 (en) * | 1998-09-24 | 1998-11-18 | Camco Int Uk Ltd | Improvements in perform cutting elements for rotary drag-type drill bits |
| US6290008B1 (en) * | 1998-12-07 | 2001-09-18 | Smith International, Inc. | Inserts for earth-boring bits |
| ATE329128T1 (de) | 2000-08-23 | 2006-06-15 | Camco Int Uk Ltd | Indikator für das versagen des lagers eines rollenbohrmeissels |
| CA2445301A1 (en) * | 2002-03-28 | 2003-10-09 | Reedhycalog Uk Limited | Polycrystalline material element with improved wear resistance and methods of manufacture thereof |
| US6823951B2 (en) | 2002-07-03 | 2004-11-30 | Smith International, Inc. | Arcuate-shaped inserts for drill bits |
| US7331410B2 (en) | 2002-07-03 | 2008-02-19 | Smith International, Inc. | Drill bit arcuate-shaped inserts with cutting edges and method of manufacture |
| US20040231894A1 (en) * | 2003-05-21 | 2004-11-25 | Dvorachek Harold A | Rotary tools or bits |
| CN1304720C (zh) * | 2003-10-28 | 2007-03-14 | 江汉石油钻头股份有限公司 | 高强抗磨多牙轮钻头 |
| US20050257963A1 (en) * | 2004-05-20 | 2005-11-24 | Joseph Tucker | Self-Aligning Insert for Drill Bits |
| US7182162B2 (en) * | 2004-07-29 | 2007-02-27 | Baker Hughes Incorporated | Shirttails for reducing damaging effects of cuttings |
| GB2417966A (en) * | 2004-08-16 | 2006-03-15 | Halliburton Energy Serv Inc | Roller cone drill bits with optimized bearing structure |
| WO2006050167A1 (en) | 2004-10-28 | 2006-05-11 | Diamond Innovations, Inc. | Polycrystalline cutter with multiple cutting edges |
| US7475744B2 (en) | 2005-01-17 | 2009-01-13 | Us Synthetic Corporation | Superabrasive inserts including an arcuate peripheral surface |
| US8197936B2 (en) | 2005-01-27 | 2012-06-12 | Smith International, Inc. | Cutting structures |
| CA2535387C (en) * | 2005-02-08 | 2013-05-07 | Smith International, Inc. | Thermally stable polycrystalline diamond cutting elements and bits incorporating the same |
| US7493973B2 (en) | 2005-05-26 | 2009-02-24 | Smith International, Inc. | Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance |
| US7407012B2 (en) | 2005-07-26 | 2008-08-05 | Smith International, Inc. | Thermally stable diamond cutting elements in roller cone drill bits |
| CN1804946B (zh) * | 2005-12-19 | 2010-05-05 | 中国科学院新疆生态与地理研究所 | 植物立体干标本的制作方法 |
| US7506698B2 (en) * | 2006-01-30 | 2009-03-24 | Smith International, Inc. | Cutting elements and bits incorporating the same |
| US8328891B2 (en) * | 2006-05-09 | 2012-12-11 | Smith International, Inc. | Methods of forming thermally stable polycrystalline diamond cutters |
| US8066087B2 (en) * | 2006-05-09 | 2011-11-29 | Smith International, Inc. | Thermally stable ultra-hard material compact constructions |
| US9097074B2 (en) | 2006-09-21 | 2015-08-04 | Smith International, Inc. | Polycrystalline diamond composites |
| CA2619547C (en) | 2007-02-06 | 2016-05-17 | Smith International, Inc. | Polycrystalline diamond constructions having improved thermal stability |
| US7942219B2 (en) | 2007-03-21 | 2011-05-17 | Smith International, Inc. | Polycrystalline diamond constructions having improved thermal stability |
| US9297211B2 (en) | 2007-12-17 | 2016-03-29 | Smith International, Inc. | Polycrystalline diamond construction with controlled gradient metal content |
| US8083012B2 (en) | 2008-10-03 | 2011-12-27 | Smith International, Inc. | Diamond bonded construction with thermally stable region |
| US8662209B2 (en) * | 2009-03-27 | 2014-03-04 | Varel International, Ind., L.P. | Backfilled polycrystalline diamond cutter with high thermal conductivity |
| US7972395B1 (en) | 2009-04-06 | 2011-07-05 | Us Synthetic Corporation | Superabrasive articles and methods for removing interstitial materials from superabrasive materials |
| US8951317B1 (en) | 2009-04-27 | 2015-02-10 | Us Synthetic Corporation | Superabrasive elements including ceramic coatings and methods of leaching catalysts from superabrasive elements |
| CA2760944A1 (en) * | 2009-05-06 | 2010-11-11 | Smith International, Inc. | Methods of making and attaching tsp material for forming cutting elements, cutting elements having such tsp material and bits incorporating such cutting elements |
| US8590130B2 (en) | 2009-05-06 | 2013-11-26 | Smith International, Inc. | Cutting elements with re-processed thermally stable polycrystalline diamond cutting layers, bits incorporating the same, and methods of making the same |
| US20100288564A1 (en) * | 2009-05-13 | 2010-11-18 | Baker Hughes Incorporated | Cutting element for use in a drill bit for drilling subterranean formations |
| GB2483590B8 (en) * | 2009-06-18 | 2014-07-23 | Smith International | Polycrystalline diamond cutting elements with engineered porosity and method for manufacturing such cutting elements |
| US8887839B2 (en) * | 2009-06-25 | 2014-11-18 | Baker Hughes Incorporated | Drill bit for use in drilling subterranean formations |
| US8327955B2 (en) | 2009-06-29 | 2012-12-11 | Baker Hughes Incorporated | Non-parallel face polycrystalline diamond cutter and drilling tools so equipped |
| US8739904B2 (en) | 2009-08-07 | 2014-06-03 | Baker Hughes Incorporated | Superabrasive cutters with grooves on the cutting face, and drill bits and drilling tools so equipped |
| US8757299B2 (en) * | 2009-07-08 | 2014-06-24 | Baker Hughes Incorporated | Cutting element and method of forming thereof |
| US8978788B2 (en) | 2009-07-08 | 2015-03-17 | Baker Hughes Incorporated | Cutting element for a drill bit used in drilling subterranean formations |
| EP2479003A3 (en) | 2009-07-27 | 2013-10-02 | Baker Hughes Incorporated | Abrasive article |
| US9352447B2 (en) | 2009-09-08 | 2016-05-31 | Us Synthetic Corporation | Superabrasive elements and methods for processing and manufacturing the same using protective layers |
| SA111320374B1 (ar) | 2010-04-14 | 2015-08-10 | بيكر هوغيس انكوبوريتد | طريقة تشكيل الماسة متعدد البلورات من الماس المستخرج بحجم النانو |
| CN101975025B (zh) * | 2010-10-09 | 2012-11-21 | 东北石油大学 | 金刚石钻头金刚石颗粒分布的分形设计方法 |
| CN102003144B (zh) * | 2010-10-09 | 2013-01-23 | 东北石油大学 | 牙轮钻头轮齿结构的分形设计方法 |
| US8919463B2 (en) | 2010-10-25 | 2014-12-30 | National Oilwell DHT, L.P. | Polycrystalline diamond cutting element |
| WO2012149086A2 (en) | 2011-04-26 | 2012-11-01 | Smith International, Inc. | Polycrystalline diamond compact cutters with conic shaped end |
| US9187962B2 (en) | 2011-04-26 | 2015-11-17 | Smith International, Inc. | Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s) |
| US9144886B1 (en) | 2011-08-15 | 2015-09-29 | Us Synthetic Corporation | Protective leaching cups, leaching trays, and methods for processing superabrasive elements using protective leaching cups and leaching trays |
| US9140071B2 (en) | 2012-11-26 | 2015-09-22 | National Oilwell DHT, L.P. | Apparatus and method for retaining inserts of a rolling cone drill bit |
| GB2510341B (en) * | 2013-01-30 | 2019-12-18 | Nov Downhole Eurasia Ltd | Cutting Element |
| 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 |
| US9550276B1 (en) | 2013-06-18 | 2017-01-24 | Us Synthetic Corporation | Leaching assemblies, systems, and methods for processing superabrasive elements |
| US9789587B1 (en) | 2013-12-16 | 2017-10-17 | Us Synthetic Corporation | Leaching assemblies, systems, and methods for processing superabrasive elements |
| US10807913B1 (en) | 2014-02-11 | 2020-10-20 | Us Synthetic Corporation | Leached superabrasive elements and leaching systems methods and assemblies for processing superabrasive elements |
| US9908215B1 (en) | 2014-08-12 | 2018-03-06 | Us Synthetic Corporation | Systems, methods and assemblies for processing superabrasive materials |
| US10011000B1 (en) | 2014-10-10 | 2018-07-03 | Us Synthetic Corporation | Leached superabrasive elements and systems, methods and assemblies for processing superabrasive materials |
| US11766761B1 (en) | 2014-10-10 | 2023-09-26 | Us Synthetic Corporation | Group II metal salts in electrolytic leaching of superabrasive materials |
| US10723626B1 (en) | 2015-05-31 | 2020-07-28 | Us Synthetic Corporation | Leached superabrasive elements and systems, methods and assemblies for processing superabrasive materials |
| PE20231956A1 (es) | 2016-05-27 | 2023-12-06 | Joy Global Underground Mining Llc | Dispositivo de corte con elemento de corte con seccion decreciente |
| US10900291B2 (en) | 2017-09-18 | 2021-01-26 | Us Synthetic Corporation | Polycrystalline diamond elements and systems and methods for fabricating the same |
Family Cites Families (139)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1306674A (en) * | 1919-06-10 | Cornelis j | ||
| US3126067A (en) * | 1964-03-24 | Roller bit with inserts | ||
| US32036A (en) * | 1861-04-09 | Hunter dayidson | ||
| US1996322A (en) * | 1931-07-24 | 1935-04-02 | Anthony E Carlson | Rock drilling core bit |
| US2014806A (en) * | 1933-03-18 | 1935-09-17 | Globe Oil Tools Co | Core catcher |
| US2027700A (en) * | 1933-12-30 | 1936-01-14 | Phillips Petroleum Co | Drill cutter |
| US2117481A (en) * | 1935-02-19 | 1938-05-17 | Globe Oil Tools Co | Rock core drill head |
| US2121202A (en) * | 1935-03-19 | 1938-06-21 | Robert J Killgore | Rotary bit |
| US2081195A (en) * | 1935-06-21 | 1937-05-25 | Globe Oil Tools Co | Core recovering tool |
| US2103611A (en) * | 1936-10-13 | 1937-12-28 | Globe Oil Tools Co | Core catcher |
| US2123453A (en) * | 1937-08-11 | 1938-07-12 | Globe Oil Tools Co | Core drill construction |
| US2358642A (en) * | 1941-11-08 | 1944-09-19 | Archer W Kammerer | Rotary drill bit |
| US2412915A (en) * | 1942-06-07 | 1946-12-17 | Standard Oil Dev Co | Pressure core barrel |
| US2514586A (en) * | 1946-10-25 | 1950-07-11 | Lester Callahan | Apparatus for drilling wells |
| US2470695A (en) * | 1947-11-17 | 1949-05-17 | Globe Oil Tools Co | Cone type well drilling bit |
| US2661931A (en) * | 1950-12-04 | 1953-12-08 | Security Engineering Division | Hydraulic rotary rock bit |
| US2667334A (en) * | 1951-03-03 | 1954-01-26 | Standard Oil Dev Co | Full hole diamond bit |
| US2774571A (en) * | 1954-07-06 | 1956-12-18 | Hughes Tool Co | Cone type well drill |
| US2804282A (en) * | 1954-10-11 | 1957-08-27 | Jr Arthur F Spengler | Boring drill |
| US2901223A (en) * | 1955-11-30 | 1959-08-25 | Hughes Tool Co | Earth boring drill |
| US2893696A (en) * | 1956-06-06 | 1959-07-07 | Lee R Mcguire | Rotary, earth trepanning tools |
| US3095053A (en) * | 1960-02-01 | 1963-06-25 | Jersey Prod Res Co | Drill bit |
| US3075592A (en) * | 1960-05-31 | 1963-01-29 | Jersey Prod Res Co | Drilling device |
| US3100544A (en) * | 1960-05-31 | 1963-08-13 | Jersey Prod Res Co | Drilling device |
| US3091300A (en) * | 1960-10-05 | 1963-05-28 | Dresser Ind | Drill bit with improved core destroying means |
| US3134447A (en) * | 1962-01-31 | 1964-05-26 | Hughes Tool Co | Rolling cone rock bit with wraparound spearpoints |
| US3137355A (en) * | 1962-05-31 | 1964-06-16 | Reed Roller Bit Co | Insert bit structure |
| US3174564A (en) * | 1963-06-10 | 1965-03-23 | Hughes Tool Co | Combination core bit |
| US3250337A (en) * | 1963-10-29 | 1966-05-10 | Max J Demo | Rotary shock wave drill bit |
| US3311181A (en) * | 1964-05-04 | 1967-03-28 | John B Fowler | Bi-metal drilling tooth |
| US3389761A (en) * | 1965-12-06 | 1968-06-25 | Dresser Ind | Drill bit and inserts therefor |
| US3461983A (en) * | 1967-06-28 | 1969-08-19 | Dresser Ind | Cutting tool having hard insert in hole surrounded by hard facing |
| US3739864A (en) * | 1971-08-12 | 1973-06-19 | Dresser Ind | Pressure equalizing system for rock bits |
| US3858671A (en) * | 1973-04-23 | 1975-01-07 | Kennametal Inc | Excavating tool |
| US3922038A (en) * | 1973-08-10 | 1975-11-25 | Hughes Tool Co | Wear resistant boronized surfaces and boronizing methods |
| US4014395A (en) * | 1974-12-05 | 1977-03-29 | Smith-Williston, Inc. | Rock drill bit insert retaining sleeve assembly |
| US3948330A (en) * | 1975-02-18 | 1976-04-06 | Dresser Industries, Inc. | Vacuum, vacuum-pressure, or pressure reverse circulation bit |
| US3952815A (en) * | 1975-03-24 | 1976-04-27 | Dresser Industries, Inc. | Land erosion protection on a rock cutter |
| US4056153A (en) * | 1975-05-29 | 1977-11-01 | Dresser Industries, Inc. | Rotary rock bit with multiple row coverage for very hard formations |
| US4006788A (en) * | 1975-06-11 | 1977-02-08 | Smith International, Inc. | Diamond cutter rock bit with penetration limiting |
| US4092054A (en) * | 1975-07-24 | 1978-05-30 | Subterranean Tools Inc. | Seal arrangement for rolling cutter |
| US4058177A (en) * | 1976-03-29 | 1977-11-15 | Dresser Industries, Inc. | Asymmetric gage insert for an earth boring apparatus |
| US4098358A (en) * | 1976-04-22 | 1978-07-04 | Klima Frank J | Drill bit with hard-faced bearing surfaces |
| US4102419A (en) * | 1976-05-10 | 1978-07-25 | Klima Frank J | Rolling cutter drill bit with annular seal rings |
| US4109737A (en) * | 1976-06-24 | 1978-08-29 | General Electric Company | Rotary drill bit |
| US4148368A (en) * | 1976-09-27 | 1979-04-10 | Smith International, Inc. | Rock bit with wear resistant inserts |
| DE2706290A1 (de) * | 1977-02-15 | 1978-08-17 | Skf Kugellagerfabriken Gmbh | Einrichtung zum schmieren der lager von schneidrollen eines rollenmeissels |
| SE7703810L (sv) * | 1977-04-01 | 1978-10-02 | Sandvik Ab | Tetningsanordning vid rullborrkronor |
| US4156329A (en) * | 1977-05-13 | 1979-05-29 | General Electric Company | Method for fabricating a rotary drill bit and composite compact cutters therefor |
| US4140189A (en) * | 1977-06-06 | 1979-02-20 | Smith International, Inc. | Rock bit with diamond reamer to maintain gage |
| AT350490B (de) * | 1977-07-11 | 1979-06-11 | Voest Ag | Vorrichtung zur abdichtung des spaltes zwischen relativ zueinander verdrehbaren teilen |
| CA1081686A (en) | 1978-05-01 | 1980-07-15 | Percy W. Schumacher, Jr. | Drill bit air clearing system |
| DE2823698C2 (de) * | 1978-05-31 | 1981-09-17 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Rollenmeißel mit einem Einfülloch für Lagerrollen |
| DE2841971A1 (de) * | 1978-09-27 | 1980-04-10 | Sandvik Gmbh | Rollenmeissel mit schneidrollen |
| US4176848A (en) * | 1978-06-30 | 1979-12-04 | Dresser Industries, Inc. | Rotary bearing seal for drill bits |
| SE416746B (sv) * | 1978-07-11 | 1981-02-02 | Sandvik Ab | Anordning for kylning av rullborrkronor |
| US4199856A (en) * | 1978-07-31 | 1980-04-29 | Dresser Industries, Inc. | Method of providing lubricant volume displacement system for a rotary rock bit |
| US4183416A (en) * | 1978-08-18 | 1980-01-15 | Dresser Industries, Inc. | Cutter actuated rock bit lubrication system |
| DE7826323U1 (de) * | 1978-09-05 | 1978-12-14 | Sandvik Gmbh, 4000 Duesseldorf | Rollenmeissel |
| US4203496A (en) * | 1978-10-16 | 1980-05-20 | Smith International, Inc. | Longitudinal axis roller drill bit with gage inserts protection |
| US4179003A (en) * | 1978-12-21 | 1979-12-18 | Dresser Industries, Inc. | Seal for a rolling cone cutter earth boring bit |
| SE428139B (sv) * | 1979-03-28 | 1983-06-06 | Sandvik Ab | Bergborrkrona |
| US4249622A (en) * | 1979-06-11 | 1981-02-10 | Dresser Industries, Inc. | Floating seal for drill bits |
| US4285409A (en) * | 1979-06-28 | 1981-08-25 | Smith International, Inc. | Two cone bit with extended diamond cutters |
| US4260203A (en) * | 1979-09-10 | 1981-04-07 | Smith International, Inc. | Bearing structure for a rotary rock bit |
| US4279450A (en) * | 1979-10-04 | 1981-07-21 | Dresser Industries, Inc. | Rotary rock bit fluid center seal |
| US4253710A (en) * | 1979-10-09 | 1981-03-03 | Dresser Industries, Inc. | High temperature sealing system for a rotary rock bit |
| US4265324A (en) * | 1979-11-29 | 1981-05-05 | Smith International, Inc. | Eccentric counterbore for diamond insert stud |
| US4301877A (en) * | 1980-03-10 | 1981-11-24 | Hughes Tool Company | Clad mud nozzle |
| US4343371A (en) * | 1980-04-28 | 1982-08-10 | Smith International, Inc. | Hybrid rock bit |
| US4287957A (en) * | 1980-05-27 | 1981-09-08 | Evans Robert F | Cooling a drilling tool component with a separate flow stream of reduced-temperature gaseous drilling fluid |
| 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 |
| USRE32036E (en) | 1980-06-11 | 1985-11-26 | Strata Bit Corporation | Drill bit |
| US4375242A (en) * | 1980-08-11 | 1983-03-01 | Hughes Tool Company | Sealed and lubricated rock bit with air protected seal ring |
| US4386668A (en) * | 1980-09-19 | 1983-06-07 | Hughes Tool Company | Sealed lubricated and air cooled rock bit bearing |
| US4386669A (en) * | 1980-12-08 | 1983-06-07 | Evans Robert F | Drill bit with yielding support and force applying structure for abrasion cutting elements |
| US4388984A (en) * | 1981-02-09 | 1983-06-21 | Smith International, Inc. | Two-stage pressure relief valve |
| US4545441A (en) * | 1981-02-25 | 1985-10-08 | Williamson Kirk E | Drill bits with polycrystalline diamond cutting elements mounted on serrated supports pressed in drill head |
| US4453836A (en) * | 1981-08-31 | 1984-06-12 | Klima Frank J | Sealed hard-rock drill bit |
| US4442909A (en) * | 1981-09-21 | 1984-04-17 | Strata Bit Corporation | Drill bit |
| US4421184A (en) * | 1981-12-04 | 1983-12-20 | Hughes Tool Company | Rock bit with improved shirttail ventilation |
| US4724913A (en) | 1983-02-18 | 1988-02-16 | Strata Bit Corporation | Drill bit and improved cutting element |
| US4527644A (en) * | 1983-03-25 | 1985-07-09 | Allam Farouk M | Drilling bit |
| US4444281A (en) * | 1983-03-30 | 1984-04-24 | Reed Rock Bit Company | Combination drag and roller cutter drill bit |
| US4512426A (en) * | 1983-04-11 | 1985-04-23 | Christensen, Inc. | Rotating bits including a plurality of types of preferential cutting elements |
| GB2138864B (en) | 1983-04-28 | 1986-07-30 | Sumitomo Metal Mining Co | Roller drill bits |
| US4540596A (en) * | 1983-05-06 | 1985-09-10 | Smith International, Inc. | Method of producing thin, hard coating |
| US4515228A (en) * | 1983-11-28 | 1985-05-07 | Hughes Tool Company - Usa | Air groove scraper |
| US4595067A (en) * | 1984-01-17 | 1986-06-17 | Reed Tool Company | Rotary drill bit, parts therefor, and method of manufacturing thereof |
| US4624329A (en) * | 1984-02-15 | 1986-11-25 | Varel Manufacturing Company | Rotating cutter drill set |
| US4533003A (en) * | 1984-03-08 | 1985-08-06 | A-Z International Company | Drilling apparatus and cutter therefor |
| US4525178A (en) | 1984-04-16 | 1985-06-25 | Megadiamond Industries, Inc. | Composite polycrystalline diamond |
| US4602691A (en) * | 1984-06-07 | 1986-07-29 | Hughes Tool Company | Diamond drill bit with varied cutting elements |
| US4608226A (en) * | 1984-06-22 | 1986-08-26 | Norton Christensen, Inc. | Method of forming a diamond tooth insert for a drill bit and a diamond cutting element formed thereby |
| US4552232A (en) * | 1984-06-29 | 1985-11-12 | Spiral Drilling Systems, Inc. | Drill-bit with full offset cutter bodies |
| US4592433A (en) * | 1984-10-04 | 1986-06-03 | Strata Bit Corporation | Cutting blank with diamond strips in grooves |
| US4610319A (en) * | 1984-10-15 | 1986-09-09 | Kalsi Manmohan S | Hydrodynamic lubricant seal for drill bits |
| DE3442546A1 (de) | 1984-11-22 | 1986-05-28 | Elfgen, Gerd, 5303 Bornheim | Rundschaftmeissel fuer schraemmaschinen |
| US4802539A (en) | 1984-12-21 | 1989-02-07 | Smith International, Inc. | Polycrystalline diamond bearing system for a roller cone rock bit |
| US4738322A (en) | 1984-12-21 | 1988-04-19 | Smith International Inc. | Polycrystalline diamond bearing system for a roller cone rock bit |
| GB8432587D0 (en) | 1984-12-22 | 1985-02-06 | Nl Petroleum Prod | Cutting elements for rotary drill bits |
| US4597455A (en) * | 1985-04-03 | 1986-07-01 | Dresser Industries, Inc. | Rock bit lubrication system |
| US4593775A (en) * | 1985-04-18 | 1986-06-10 | Smith International, Inc. | Two-piece pressure relief valve |
| US4694918A (en) * | 1985-04-29 | 1987-09-22 | Smith International, Inc. | Rock bit with diamond tip inserts |
| US4610452A (en) * | 1985-07-08 | 1986-09-09 | Smith International, Inc. | Belleville seal for sealed bearing rotary cone rock bits |
| US4784023A (en) | 1985-12-05 | 1988-11-15 | Diamant Boart-Stratabit (Usa) Inc. | Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same |
| US4690228A (en) * | 1986-03-14 | 1987-09-01 | Eastman Christensen Company | Changeover bit for extended life, varied formations and steady wear |
| US4688651A (en) * | 1986-03-21 | 1987-08-25 | Dresser Industries, Inc. | Cone mouth debris exclusion shield |
| GB2188354B (en) | 1986-03-27 | 1989-11-22 | Shell Int Research | Rotary drill bit |
| US4629338A (en) * | 1986-03-31 | 1986-12-16 | Dresser Industries, Inc. | Seal and bearing apparatus for bits |
| US4705124A (en) * | 1986-08-22 | 1987-11-10 | Minnesota Mining And Manufacturing Company | Cutting element with wear resistant crown |
| US4722405A (en) | 1986-10-01 | 1988-02-02 | Dresser Industries, Inc. | Wear compensating rock bit insert |
| US4744427A (en) | 1986-10-16 | 1988-05-17 | Eastman Christensen Company | Bit design for a rotating bit incorporating synthetic polycrystalline cutters |
| US4832139A (en) | 1987-06-10 | 1989-05-23 | Smith International, Inc. | Inclined chisel inserts for rock bits |
| US4865136A (en) | 1987-10-05 | 1989-09-12 | Cummins Engine Company | Pressure relief valve for roller bit |
| DE68916572T2 (de) | 1988-04-05 | 1995-01-12 | Camco Drilling Group Ltd | Schneidelement für Drehbohrmeissel und dessen Herstellung. |
| US4813502A (en) | 1988-06-28 | 1989-03-21 | Dresser Industries, Inc. | Drilling bit with improved trailing edge vent |
| EP0356097B1 (en) | 1988-08-15 | 1994-11-23 | De Beers Industrial Diamond Division (Proprietary) Limited | Tool insert |
| NO169735C (no) | 1989-01-26 | 1992-07-29 | Geir Tandberg | Kombinasjonsborekrone |
| US4942930A (en) | 1989-02-28 | 1990-07-24 | Cummins Engine Company, Inc. | Lubrication system for an earth boring drill bit and methods for filling and retrofit installing thereof |
| US4940099A (en) | 1989-04-05 | 1990-07-10 | Reed Tool Company | Cutting elements for roller cutter drill bits |
| US4976324A (en) | 1989-09-22 | 1990-12-11 | Baker Hughes Incorporated | Drill bit having diamond film cutting surface |
| US4967854A (en) | 1989-10-05 | 1990-11-06 | Barnetche Gonzalez Eduardo | Double cone cutting head for a drill bit |
| US5027911A (en) | 1989-11-02 | 1991-07-02 | Dresser Industries, Inc. | Double seal with lubricant gap between seals for sealed rotary drill bits |
| US4981182A (en) | 1990-01-26 | 1991-01-01 | Dresser Industries, Inc. | Sealed rotary blast hole drill bit utilizing air pressure for seal protection |
| US4984643A (en) | 1990-03-21 | 1991-01-15 | Hughes Tool Company | Anti-balling earth boring bit |
| US5154245A (en) | 1990-04-19 | 1992-10-13 | Sandvik Ab | Diamond rock tools for percussive and rotary crushing rock drilling |
| US5145016B1 (en) | 1990-04-30 | 1996-08-13 | Rock Bit International Inc | Rock bit with reaming rows |
| EP0467870B1 (en) | 1990-07-10 | 1995-01-25 | Smith International, Inc. | Roller tooth bit with heel row cutter inserts |
| US5080183A (en) | 1990-08-13 | 1992-01-14 | Camco International Inc. | Seal assembly for roller cutter drill bit having a pressure balanced lubrication system |
| EP0536762B1 (en) | 1991-10-09 | 1997-09-03 | Smith International, Inc. | Diamond cutter insert with a convex cutting surface |
| US5287936A (en) | 1992-01-31 | 1994-02-22 | Baker Hughes Incorporated | Rolling cone bit with shear cutting gage |
| US5346026A (en) | 1992-01-31 | 1994-09-13 | Baker Hughes Incorporated | Rolling cone bit with shear cutting gage |
| ZA935525B (en) | 1992-08-06 | 1994-02-24 | De Beers Ind Diamond | Tool insert |
| US5341890A (en) | 1993-01-08 | 1994-08-30 | Smith International, Inc. | Ultra hard insert cutters for heel row rotary cone rock bit applications |
| US5351770A (en) | 1993-06-15 | 1994-10-04 | Smith International, Inc. | Ultra hard insert cutters for heel row rotary cone rock bit applications |
| US5351768A (en) | 1993-07-08 | 1994-10-04 | Baker Hughes Incorporated | Earth-boring bit with improved cutting structure |
| US5379854A (en) | 1993-08-17 | 1995-01-10 | Dennis Tool Company | Cutting element for drill bits |
| US5407022A (en) | 1993-11-24 | 1995-04-18 | Baker Hughes Incorporated | Free cutting gage insert with relief angle |
-
1996
- 1996-03-21 US US08/628,534 patent/US5722497A/en not_active Expired - Lifetime
-
1997
- 1997-03-12 CN CN97193179.8A patent/CN1214102A/zh active Pending
- 1997-03-12 GB GB9806335A patent/GB2321265B/en not_active Expired - Fee Related
- 1997-03-12 WO PCT/US1997/003812 patent/WO1997035091A1/en not_active Ceased
- 1997-03-20 IT IT97MI000635A patent/IT1290133B1/it active IP Right Grant
- 1997-03-20 ID IDP970910A patent/ID17122A/id unknown
-
1998
- 1998-03-13 MX MX9801996A patent/MX9801996A/es not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| MX9801996A (es) | 1998-08-30 |
| ITMI970635A1 (it) | 1998-09-20 |
| GB2321265A (en) | 1998-07-22 |
| GB9806335D0 (en) | 1998-05-20 |
| GB2321265B (en) | 2000-04-12 |
| US5722497A (en) | 1998-03-03 |
| CN1214102A (zh) | 1999-04-14 |
| WO1997035091A1 (en) | 1997-09-25 |
| ID17122A (id) | 1997-12-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted |