DE3786166D1 - Bohrmeissel fuer weiche bis harte formationen. - Google Patents
Bohrmeissel fuer weiche bis harte formationen.Info
- Publication number
- DE3786166D1 DE3786166D1 DE8787105001T DE3786166T DE3786166D1 DE 3786166 D1 DE3786166 D1 DE 3786166D1 DE 8787105001 T DE8787105001 T DE 8787105001T DE 3786166 T DE3786166 T DE 3786166T DE 3786166 D1 DE3786166 D1 DE 3786166D1
- Authority
- DE
- Germany
- Prior art keywords
- drills
- soft
- channels
- hard formations
- pref
- 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 - Fee Related
Links
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000012258 culturing Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/761,915 US4673044A (en) | 1985-08-02 | 1985-08-02 | Earth boring bit for soft to hard formations |
EP87105001A EP0285678B1 (de) | 1985-08-02 | 1987-04-04 | Bohrmeissel für weiche bis harte Formationen |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3786166D1 true DE3786166D1 (de) | 1993-07-15 |
DE3786166T2 DE3786166T2 (de) | 1994-01-20 |
Family
ID=25063598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87105001T Expired - Fee Related DE3786166T2 (de) | 1985-08-02 | 1987-04-04 | Bohrmeissel für weiche bis harte Formationen. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4673044A (de) |
EP (2) | EP0285678B1 (de) |
DE (1) | DE3786166T2 (de) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4673044A (en) * | 1985-08-02 | 1987-06-16 | Eastman Christensen Co. | Earth boring bit for soft to hard formations |
US5373900A (en) | 1988-04-15 | 1994-12-20 | Baker Hughes Incorporated | Downhole milling tool |
GB2216929B (en) * | 1988-04-05 | 1992-11-04 | Reed Tool Co | Improvements in or relating to cutting elements for rotary drill bits |
USRE34435E (en) * | 1989-04-10 | 1993-11-09 | Amoco Corporation | Whirl resistant bit |
US4932484A (en) * | 1989-04-10 | 1990-06-12 | Amoco Corporation | Whirl resistant bit |
US5025873A (en) * | 1989-09-29 | 1991-06-25 | Baker Hughes Incorporated | Self-renewing multi-element cutting structure for rotary drag bit |
US5213171A (en) * | 1991-09-23 | 1993-05-25 | Smith International, Inc. | Diamond drag bit |
US6332503B1 (en) * | 1992-01-31 | 2001-12-25 | Baker Hughes Incorporated | Fixed cutter bit with chisel or vertical cutting elements |
US5282513A (en) * | 1992-02-04 | 1994-02-01 | Smith International, Inc. | Thermally stable polycrystalline diamond drill bit |
US5509490A (en) * | 1993-05-07 | 1996-04-23 | Baroid Technology, Inc. | EMF sacrificial anode sub and method to deter bit balling |
US5330016A (en) * | 1993-05-07 | 1994-07-19 | Barold Technology, Inc. | Drill bit and other downhole tools having electro-negative surfaces and sacrificial anodes to reduce mud balling |
SG52929A1 (en) * | 1996-03-12 | 1998-09-28 | Smith International | Rock bit with hardfacing material incorporating spherical cast carbide particles |
AU740125B2 (en) * | 1997-07-15 | 2001-11-01 | Kennametal Inc. | Rotatable cutting bit assembly with cutting inserts |
US6109377A (en) * | 1997-07-15 | 2000-08-29 | Kennametal Inc. | Rotatable cutting bit assembly with cutting inserts |
US7000715B2 (en) | 1997-09-08 | 2006-02-21 | Baker Hughes Incorporated | Rotary drill bits exhibiting cutting element placement for optimizing bit torque and cutter life |
US6112836A (en) * | 1997-09-08 | 2000-09-05 | Baker Hughes Incorporated | Rotary drill bits employing tandem gage pad arrangement |
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 |
US6173797B1 (en) | 1997-09-08 | 2001-01-16 | Baker Hughes Incorporated | Rotary drill bits for directional drilling employing movable cutters and tandem gage pad arrangement with active cutting elements and having up-drill capability |
US6672406B2 (en) | 1997-09-08 | 2004-01-06 | Baker Hughes Incorporated | Multi-aggressiveness cuttting face on PDC cutters and method of drilling subterranean formations |
US6230828B1 (en) | 1997-09-08 | 2001-05-15 | Baker Hughes Incorporated | Rotary drilling bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristics |
US6006845A (en) * | 1997-09-08 | 1999-12-28 | Baker Hughes Incorporated | Rotary drill bits for directional drilling employing tandem gage pad arrangement with reaming capability |
US6176332B1 (en) | 1998-12-31 | 2001-01-23 | Kennametal Inc. | Rotatable cutting bit assembly with cutting inserts |
US6394202B2 (en) * | 1999-06-30 | 2002-05-28 | Smith International, Inc. | Drill bit having diamond impregnated inserts primary cutting structure |
US6510906B1 (en) * | 1999-11-29 | 2003-01-28 | Baker Hughes Incorporated | Impregnated bit with PDC cutters in cone area |
BE1014014A5 (fr) * | 1999-11-29 | 2003-02-04 | Baker Hughes Inc | Trepan impregne comportant des elements de coupe pdc dans la zone de cone. |
US6843333B2 (en) | 1999-11-29 | 2005-01-18 | Baker Hughes Incorporated | Impregnated rotary drag bit |
US6601660B1 (en) * | 2000-06-08 | 2003-08-05 | Smith International, Inc. | Cutting structure for roller cone drill bits |
US6530441B1 (en) * | 2000-06-27 | 2003-03-11 | Smith International, Inc. | Cutting element geometry for roller cone drill bit |
US7395882B2 (en) * | 2004-02-19 | 2008-07-08 | Baker Hughes Incorporated | Casing and liner drilling bits |
US7624818B2 (en) * | 2004-02-19 | 2009-12-01 | Baker Hughes Incorporated | Earth boring drill bits with casing component drill out capability and methods of use |
US7954570B2 (en) * | 2004-02-19 | 2011-06-07 | Baker Hughes Incorporated | Cutting elements configured for casing component drillout and earth boring drill bits including same |
EA011864B1 (ru) * | 2004-06-23 | 2009-06-30 | Сирион Терапьютикс, Инк. | Применение 4-гидроксифенилретинамида и 4-метоксифенилретинамида для лечения офтальмологических состояний |
US7757793B2 (en) * | 2005-11-01 | 2010-07-20 | Smith International, Inc. | Thermally stable polycrystalline ultra-hard constructions |
US7621351B2 (en) * | 2006-05-15 | 2009-11-24 | Baker Hughes Incorporated | Reaming tool suitable for running on casing or liner |
US8245797B2 (en) * | 2007-10-02 | 2012-08-21 | Baker Hughes Incorporated | Cutting structures for casing component drillout and earth-boring drill bits including same |
US7954571B2 (en) * | 2007-10-02 | 2011-06-07 | Baker Hughes Incorporated | Cutting structures for casing component drillout and earth-boring drill bits including same |
US7730976B2 (en) | 2007-10-31 | 2010-06-08 | Baker Hughes Incorporated | Impregnated rotary drag bit and related methods |
US9217296B2 (en) | 2008-01-09 | 2015-12-22 | Smith International, Inc. | Polycrystalline ultra-hard constructions with multiple support members |
GB0900606D0 (en) | 2009-01-15 | 2009-02-25 | Downhole Products Plc | Tubing shoe |
US8355815B2 (en) | 2009-02-12 | 2013-01-15 | Baker Hughes Incorporated | Methods, systems, and devices for manipulating cutting elements for earth-boring drill bits and tools |
US8327944B2 (en) | 2009-05-29 | 2012-12-11 | Varel International, Ind., L.P. | Whipstock attachment to a fixed cutter drilling or milling bit |
US8517123B2 (en) | 2009-05-29 | 2013-08-27 | Varel International, Ind., L.P. | Milling cap for a polycrystalline diamond compact cutter |
EP2394016B1 (de) | 2009-06-05 | 2017-12-27 | Varel International, Ind., L.P. | Entwürfe für futterkronen und futtererweiterer |
CN103628821B (zh) * | 2013-12-12 | 2016-02-03 | 中国地质大学(北京) | 适用于软—硬钻进对象的取心钻头 |
WO2020180330A1 (en) * | 2019-03-07 | 2020-09-10 | Halliburton Energy Services, Inc. | Shaped cutter arrangements |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3127946A (en) * | 1961-05-01 | 1964-04-07 | Carroll L Deely | Drill bit |
US3215215A (en) * | 1962-08-27 | 1965-11-02 | Exxon Production Research Co | Diamond bit |
US3938599A (en) * | 1974-03-27 | 1976-02-17 | Hycalog, Inc. | Rotary drill bit |
FR2385883A1 (fr) * | 1977-03-31 | 1978-10-27 | Petroles Cie Francaise | Outil de forage a haut rendement a attaque rapide de la carotte |
US4098363A (en) * | 1977-04-25 | 1978-07-04 | Christensen, Inc. | Diamond drilling bit for soft and medium hard formations |
US4244432A (en) * | 1978-06-08 | 1981-01-13 | Christensen, Inc. | Earth-boring drill bits |
US4574895A (en) * | 1982-02-22 | 1986-03-11 | Hughes Tool Company - Usa | Solid head bit with tungsten carbide central core |
US4529047A (en) * | 1983-02-24 | 1985-07-16 | Norton Christensen, Inc. | Cutting tooth and a rotating bit having a fully exposed polycrystalline diamond element |
US4550790A (en) * | 1983-02-28 | 1985-11-05 | Norton Christensen, Inc. | Diamond rotating bit |
US4515226A (en) * | 1983-03-07 | 1985-05-07 | Norton Christensen, Inc. | Tooth design to avoid shearing stresses |
US4491188A (en) * | 1983-03-07 | 1985-01-01 | Norton Christensen, Inc. | Diamond cutting element in a rotating bit |
US4499959A (en) * | 1983-03-14 | 1985-02-19 | Christensen, Inc. | Tooth configuration for an earth boring bit |
AU2568884A (en) * | 1983-03-21 | 1984-09-27 | Norton Christensen Inc. | Teeth for drill bit |
US4586574A (en) * | 1983-05-20 | 1986-05-06 | Norton Christensen, Inc. | Cutter configuration for a gage-to-shoulder transition and face pattern |
CA1248939A (en) * | 1984-03-16 | 1989-01-17 | Alexander K. Meskin | Exposed polycrystalline diamond mounted in a matrix body drill bit |
US4602691A (en) * | 1984-06-07 | 1986-07-29 | Hughes Tool Company | Diamond drill bit with varied cutting elements |
US4673044A (en) * | 1985-08-02 | 1987-06-16 | Eastman Christensen Co. | Earth boring bit for soft to hard formations |
-
1985
- 1985-08-02 US US06/761,915 patent/US4673044A/en not_active Expired - Lifetime
-
1987
- 1987-04-04 DE DE87105001T patent/DE3786166T2/de not_active Expired - Fee Related
- 1987-04-04 EP EP87105001A patent/EP0285678B1/de not_active Expired - Lifetime
- 1987-04-04 EP EP90117469A patent/EP0418706B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0285678A1 (de) | 1988-10-12 |
EP0285678B1 (de) | 1993-06-09 |
EP0418706A1 (de) | 1991-03-27 |
EP0418706B1 (de) | 1994-06-22 |
US4673044A (en) | 1987-06-16 |
DE3786166T2 (de) | 1994-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3786166D1 (de) | Bohrmeissel fuer weiche bis harte formationen. | |
ES548783A0 (es) | Procedimiento para obtener cuerpos conformados de carburo cementado adecuados para perforar rocas y cortar minerales. | |
SE9002137D0 (sv) | Improved tools for cutting rock drilling | |
NO911536D0 (no) | Knapp for borkrone av hardmetall for boring i fjell. | |
DE69405913T2 (de) | Bohrmeissel mit Verbundschneidelementen | |
ATE25346T1 (de) | Rotations-schneidwerkzeug und verfahren zu seiner herstellung. | |
ES459582A1 (es) | Trepano de perforacion. | |
MX151243A (es) | Mejoras en barrena giratoria para perforar pozos | |
GB1017840A (en) | Improvements in or relating to a core bit | |
GB1505195A (en) | Well bore closure tools | |
ATE58079T1 (de) | Werkzeugteil. | |
IT1017922B (it) | Punte per perforazioni geologiche con taglienti al boro e procedi mento per la loro fabbricazione | |
NO871255D0 (no) | Fremgangsmaate for utvikling av olje- og/eller gassfelter til havs, samt fundament for en bore- og/eller produksjonsplattform til havs. | |
NO850779L (no) | Roterende borkrone med skjaereelementer med et tynt slipende frontlag | |
ATE19266T1 (de) | Rohrmaterial zum durchfuehren von bohrungen mittlerer tiefe in aggressiv-saurer umgebung. | |
SE8307010D0 (sv) | Stift for slagborrande borrkrona och borrkrona derfor | |
MX155881A (es) | Mejoras en barrena giratoria para perforaciones profundas | |
NO171609C (no) | Roterbar borekrone samt fremgangsmaate til fremstilling avskjaereelement for samme | |
GB1394115A (en) | Rotary earth drilling tools | |
BR8205983A (pt) | Perfuratriz para rocha | |
EP0223474A3 (en) | Drill blanks | |
IT1247592B (it) | Attrezzo con utensile flottante per effettuare operazioni di foratura,alesatura, svasatura e simili a profondita'controllata, con l'uso di maschere. | |
IT8519077A0 (it) | Utensile per forare e alesare. | |
IT1073858B (it) | Perfezionamento negli utensili ad uro particolarmente trivelle da roccia perforatrici per pavimentazioni e simili | |
Harvey | DEVELOPMENT IN PDC BITS |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |