DE3479142D1 - A rotatable drill bit - Google Patents
A rotatable drill bitInfo
- Publication number
- DE3479142D1 DE3479142D1 DE8484105607T DE3479142T DE3479142D1 DE 3479142 D1 DE3479142 D1 DE 3479142D1 DE 8484105607 T DE8484105607 T DE 8484105607T DE 3479142 T DE3479142 T DE 3479142T DE 3479142 D1 DE3479142 D1 DE 3479142D1
- Authority
- DE
- Germany
- Prior art keywords
- drill bit
- rotatable drill
- rotatable
- bit
- drill
- 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
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
-
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/496,611 US4586574A (en) | 1983-05-20 | 1983-05-20 | Cutter configuration for a gage-to-shoulder transition and face pattern |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3479142D1 true DE3479142D1 (en) | 1989-08-31 |
Family
ID=23973404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484105607T Expired DE3479142D1 (en) | 1983-05-20 | 1984-05-17 | A rotatable drill bit |
Country Status (8)
Country | Link |
---|---|
US (1) | US4586574A (de) |
EP (1) | EP0127077B1 (de) |
JP (1) | JPS59217890A (de) |
AU (1) | AU2806584A (de) |
BR (1) | BR8402398A (de) |
CA (1) | CA1214771A (de) |
DE (1) | DE3479142D1 (de) |
ZA (1) | ZA843409B (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3579484D1 (de) * | 1984-03-26 | 1990-10-11 | Eastman Christensen Co | Mehrkomponenten-schneidelement mit dreieckigen, viereckigen und mehreckigen polykristallinen diamantscheiben. |
DE3570480D1 (en) * | 1984-03-26 | 1989-06-29 | Eastman Christensen Co | Multi-component cutting element using consolidated rod-like polycrystalline diamond |
AU3946885A (en) * | 1984-03-26 | 1985-10-03 | Norton Christensen Inc. | Cutting element using polycrystalline diamond disks |
CN86100885A (zh) * | 1985-01-25 | 1986-08-20 | 诺顿-克里斯坦森公司 | 一种改进的沟槽切削型钻头 |
US4673044A (en) * | 1985-08-02 | 1987-06-16 | Eastman Christensen Co. | Earth boring bit for soft to hard formations |
US4697653A (en) * | 1986-03-07 | 1987-10-06 | Eastman Christensen Company | Diamond setting in a cutting tooth in a drill bit with an increased effective diamond width |
US4883136A (en) * | 1986-09-11 | 1989-11-28 | Eastman Christensen Co. | Large compact cutter rotary drill bit utilizing directed hydraulics for each cutter |
US4744427A (en) * | 1986-10-16 | 1988-05-17 | Eastman Christensen Company | Bit design for a rotating bit incorporating synthetic polycrystalline cutters |
US4869330A (en) * | 1988-01-20 | 1989-09-26 | Eastman Christensen Company | Apparatus for establishing hydraulic flow regime in drill bits |
US5025873A (en) * | 1989-09-29 | 1991-06-25 | Baker Hughes Incorporated | Self-renewing multi-element cutting structure for rotary drag bit |
US5467836A (en) * | 1992-01-31 | 1995-11-21 | Baker Hughes Incorporated | Fixed cutter bit with shear cutting gage |
US5282513A (en) * | 1992-02-04 | 1994-02-01 | Smith International, Inc. | Thermally stable polycrystalline diamond drill bit |
US5238075A (en) * | 1992-06-19 | 1993-08-24 | Dresser Industries, Inc. | Drill bit with improved cutter sizing pattern |
GB2294069B (en) * | 1994-10-15 | 1998-10-28 | Camco Drilling Group Ltd | Improvements in or relating to rotary drills bits |
DE69531277T2 (de) * | 1994-10-15 | 2004-05-19 | Camco Drilling Group Ltd., Stonehouse | Drehbohrmeissel |
GB9422022D0 (en) * | 1994-10-31 | 1994-12-21 | Red Baron Oil Tools Rental | Two stage underreamer |
US6123160A (en) * | 1997-04-02 | 2000-09-26 | Baker Hughes Incorporated | Drill bit with gage definition region |
US6206117B1 (en) | 1997-04-02 | 2001-03-27 | Baker Hughes Incorporated | Drilling structure with non-axial gage |
US6321862B1 (en) * | 1997-09-08 | 2001-11-27 | Baker Hughes Incorporated | Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability |
US6253863B1 (en) | 1999-08-05 | 2001-07-03 | Smith International, Inc. | Side cutting gage pad improving stabilization and borehole integrity |
US6684967B2 (en) | 1999-08-05 | 2004-02-03 | Smith International, Inc. | Side cutting gage pad improving stabilization and borehole integrity |
US6575256B1 (en) | 2000-01-11 | 2003-06-10 | Baker Hughes Incorporated | Drill bit with lateral movement mitigation and method of subterranean drilling |
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 |
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 |
US7631709B2 (en) | 2007-01-03 | 2009-12-15 | Smith International, Inc. | Drill bit and cutter element having chisel crest with protruding pilot portion |
US7798258B2 (en) * | 2007-01-03 | 2010-09-21 | Smith International, Inc. | Drill bit with cutter element having crossing chisel crests |
US8205692B2 (en) * | 2007-01-03 | 2012-06-26 | Smith International, Inc. | Rock bit and inserts with a chisel crest having a broadened region |
US7686106B2 (en) * | 2007-01-03 | 2010-03-30 | Smith International, Inc. | Rock bit and inserts with wear relief grooves |
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 |
US8607899B2 (en) | 2011-02-18 | 2013-12-17 | National Oilwell Varco, L.P. | Rock bit and cutter teeth geometries |
US20140183798A1 (en) | 2012-12-28 | 2014-07-03 | Smith International, Inc. | Manufacture of cutting elements having lobes |
WO2016115079A1 (en) | 2015-01-12 | 2016-07-21 | Longyear Tm, Inc. | Drilling tools having matrices with carbide-forming alloys, and methods of making and using same |
AU2017207287A1 (en) | 2016-01-13 | 2018-07-12 | Schlumberger Technology B.V. | Angled chisel insert |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3135341A (en) * | 1960-10-04 | 1964-06-02 | Christensen Diamond Prod Co | Diamond drill bits |
US3709308A (en) * | 1970-12-02 | 1973-01-09 | Christensen Diamond Prod Co | Diamond drill bits |
US3727704A (en) * | 1971-03-17 | 1973-04-17 | Christensen Diamond Prod Co | Diamond drill bit |
GB1367520A (en) * | 1971-11-19 | 1974-09-18 | Shell Int Research | Diamond bit |
US4073354A (en) * | 1976-11-26 | 1978-02-14 | Christensen, Inc. | Earth-boring drill bits |
US4234048A (en) * | 1978-06-12 | 1980-11-18 | Christensen, Inc. | Drill bits embodying impregnated segments |
US4373593A (en) * | 1979-03-16 | 1983-02-15 | Christensen, Inc. | Drill bit |
US4529047A (en) * | 1983-02-24 | 1985-07-16 | Norton Christensen, Inc. | Cutting tooth and a rotating bit having a fully exposed polycrystalline diamond element |
US4491188A (en) * | 1983-03-07 | 1985-01-01 | Norton Christensen, Inc. | Diamond cutting element in a rotating bit |
-
1983
- 1983-05-20 US US06/496,611 patent/US4586574A/en not_active Expired - Lifetime
-
1984
- 1984-05-07 ZA ZA843409A patent/ZA843409B/xx unknown
- 1984-05-16 AU AU28065/84A patent/AU2806584A/en not_active Abandoned
- 1984-05-17 EP EP84105607A patent/EP0127077B1/de not_active Expired
- 1984-05-17 DE DE8484105607T patent/DE3479142D1/de not_active Expired
- 1984-05-18 BR BR8402398A patent/BR8402398A/pt unknown
- 1984-05-18 CA CA000454663A patent/CA1214771A/en not_active Expired
- 1984-05-19 JP JP59099730A patent/JPS59217890A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1214771A (en) | 1986-12-02 |
EP0127077A3 (en) | 1986-02-05 |
EP0127077A2 (de) | 1984-12-05 |
ZA843409B (en) | 1985-07-31 |
BR8402398A (pt) | 1985-04-02 |
US4586574A (en) | 1986-05-06 |
AU2806584A (en) | 1984-11-22 |
EP0127077B1 (de) | 1989-07-26 |
JPS59217890A (ja) | 1984-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |