DE68911698D1 - Bohrmeissel. - Google Patents

Bohrmeissel.

Info

Publication number
DE68911698D1
DE68911698D1 DE89100959T DE68911698T DE68911698D1 DE 68911698 D1 DE68911698 D1 DE 68911698D1 DE 89100959 T DE89100959 T DE 89100959T DE 68911698 T DE68911698 T DE 68911698T DE 68911698 D1 DE68911698 D1 DE 68911698D1
Authority
DE
Germany
Prior art keywords
drill bits
drill
bits
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
Application number
DE89100959T
Other languages
English (en)
Other versions
DE68911698T2 (de
Inventor
Gordon A Tibbitts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Eastman Teleco Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eastman Teleco Co filed Critical Eastman Teleco Co
Application granted granted Critical
Publication of DE68911698D1 publication Critical patent/DE68911698D1/de
Publication of DE68911698T2 publication Critical patent/DE68911698T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • 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
    • 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
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids

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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
DE68911698T 1988-01-20 1989-01-20 Bohrmeissel. Expired - Fee Related DE68911698T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/145,904 US4869330A (en) 1988-01-20 1988-01-20 Apparatus for establishing hydraulic flow regime in drill bits

Publications (2)

Publication Number Publication Date
DE68911698D1 true DE68911698D1 (de) 1994-02-10
DE68911698T2 DE68911698T2 (de) 1994-07-14

Family

ID=22515055

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68911698T Expired - Fee Related DE68911698T2 (de) 1988-01-20 1989-01-20 Bohrmeissel.

Country Status (5)

Country Link
US (1) US4869330A (de)
EP (1) EP0325271B1 (de)
AU (1) AU612454B2 (de)
CA (1) CA1308407C (de)
DE (1) DE68911698T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2666843B1 (fr) * 1990-09-14 1992-12-24 Total Petroles Taillant d'outil de forage auto-affutable.
US5178222A (en) * 1991-07-11 1993-01-12 Baker Hughes Incorporated Drill bit having enhanced stability
US5284215A (en) * 1991-12-10 1994-02-08 Baker Hughes Incorporated Earth-boring drill bit with enlarged junk slots
US5615747A (en) * 1994-09-07 1997-04-01 Vail, Iii; William B. Monolithic self sharpening rotary drill bit having tungsten carbide rods cast in steel alloys
US6547017B1 (en) 1994-09-07 2003-04-15 Smart Drilling And Completion, Inc. Rotary drill bit compensating for changes in hardness of geological formations
GB9422022D0 (en) * 1994-10-31 1994-12-21 Red Baron Oil Tools Rental Two stage underreamer
US5755299A (en) * 1995-08-03 1998-05-26 Dresser Industries, Inc. Hardfacing with coated diamond particles
US5924501A (en) * 1996-02-15 1999-07-20 Baker Hughes Incorporated Predominantly diamond cutting structures for earth boring
US5706906A (en) * 1996-02-15 1998-01-13 Baker Hughes Incorporated Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped
SE508490C2 (sv) * 1996-03-14 1998-10-12 Sandvik Ab Bergborrkrona för slående borrning
US5794725A (en) * 1996-04-12 1998-08-18 Baker Hughes Incorporated Drill bits with enhanced hydraulic flow characteristics
GB9621216D0 (en) * 1996-10-11 1996-11-27 Camco Drilling Group Ltd Improvements in or relating to cutting structures for rotary drill bits
US5881830A (en) * 1997-02-14 1999-03-16 Baker Hughes Incorporated Superabrasive drill bit cutting element with buttress-supported planar chamfer
US6206117B1 (en) 1997-04-02 2001-03-27 Baker Hughes Incorporated Drilling structure with non-axial gage
US6123160A (en) * 1997-04-02 2000-09-26 Baker Hughes Incorporated Drill bit with gage definition region
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
US6138780A (en) * 1997-09-08 2000-10-31 Baker Hughes Incorporated Drag bit with steel shank and tandem gage pads
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
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
US6112836A (en) * 1997-09-08 2000-09-05 Baker Hughes Incorporated Rotary drill bits employing tandem gage pad arrangement
US8459381B2 (en) 2006-12-14 2013-06-11 Longyear Tm, Inc. Drill bits with axially-tapered waterways
US9506298B2 (en) * 2013-11-20 2016-11-29 Longyear Tm, Inc. Drill bits having blind-hole flushing and systems for using same
US9500036B2 (en) 2006-12-14 2016-11-22 Longyear Tm, Inc. Single-waterway drill bits and systems for using same
US8118119B2 (en) * 2007-12-07 2012-02-21 Varel International Ind., L.P. Impregnated rotary bit
GB0900606D0 (en) 2009-01-15 2009-02-25 Downhole Products Plc Tubing shoe
US8517123B2 (en) * 2009-05-29 2013-08-27 Varel International, Ind., L.P. Milling cap for a polycrystalline diamond compact cutter
US20110209922A1 (en) * 2009-06-05 2011-09-01 Varel International Casing end tool
WO2010141781A1 (en) * 2009-06-05 2010-12-09 Varel International, Ind., L.P. Casing bit and casing reamer designs
US8505634B2 (en) * 2009-12-28 2013-08-13 Baker Hughes Incorporated Earth-boring tools having differing cutting elements on a blade and related methods
US8794356B2 (en) * 2010-02-05 2014-08-05 Baker Hughes Incorporated Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same
US8851207B2 (en) 2011-05-05 2014-10-07 Baker Hughes Incorporated Earth-boring tools and methods of forming such earth-boring tools
EP2596201B1 (de) 2010-07-23 2019-07-17 National Oilwell DHT, L.P. Schneidelement aus polykristallinem diamant und verfahren zu dessen nutzung
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
BR112014019574A8 (pt) 2012-02-08 2017-07-11 Baker Hughes Inc Elementos de corte moldado para ferramentas de perfuração da terra e ferramentas de perfuração da terra incluindo tais elementos de corte

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA722509A (en) * 1965-11-30 L. Deely Carroll Drill bit
FR1366118A (fr) * 1963-05-28 1964-07-10 Aquitaine Petrole Outil rotatif de forage
US3272704A (en) * 1963-06-06 1966-09-13 Armour Pharma Stable aluminum hydroxide-magnesium compound codried gel antacids and process of making the same
US3322218A (en) * 1965-05-04 1967-05-30 Exxon Production Research Co Multi-port diamond bit
US3709308A (en) * 1970-12-02 1973-01-09 Christensen Diamond Prod Co Diamond drill bits
US3825080A (en) * 1972-10-31 1974-07-23 L Short Drilling bit for earth formations
US3951220A (en) * 1974-08-19 1976-04-20 Vance Industries, Inc. Archimedes spiral drill bit
SU711267A1 (ru) * 1975-08-11 1980-01-25 Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности "Укргипрониинефть" Буровое долото
US4176723A (en) * 1977-11-11 1979-12-04 DTL, Incorporated Diamond drill bit
SU1033694A1 (ru) * 1981-03-02 1983-08-07 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Буровой Техники Алмазное буровое долото
US4586574A (en) * 1983-05-20 1986-05-06 Norton Christensen, Inc. Cutter configuration for a gage-to-shoulder transition and face pattern
FR2566833B1 (fr) * 1984-06-27 1986-11-14 Inst Francais Du Petrole Methode et perfectionnement aux outils de forage comportant des passages d'eau permettant une grande efficacite du nettoyage du front de taille
US4727946A (en) * 1984-10-26 1988-03-01 Nl Industries, Inc. Rotary drill bits
GB8524146D0 (en) * 1985-10-01 1985-11-06 Nl Petroleum Prod Rotary drill bits
US4655303A (en) * 1985-11-22 1987-04-07 Amoco Corporation Drill bit
US4776411A (en) * 1987-03-23 1988-10-11 Smith International, Inc. Fluid flow control for drag bits

Also Published As

Publication number Publication date
US4869330A (en) 1989-09-26
AU2858489A (en) 1989-07-20
CA1308407C (en) 1992-10-06
EP0325271A3 (en) 1990-01-31
DE68911698T2 (de) 1994-07-14
EP0325271B1 (de) 1993-12-29
AU612454B2 (en) 1991-07-11
EP0325271A2 (de) 1989-07-26

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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