DE3779863D1 - Modell eines drehbohrmeissels mit synthetischen polykrystallinen schneidern. - Google Patents

Modell eines drehbohrmeissels mit synthetischen polykrystallinen schneidern.

Info

Publication number
DE3779863D1
DE3779863D1 DE8787114540T DE3779863T DE3779863D1 DE 3779863 D1 DE3779863 D1 DE 3779863D1 DE 8787114540 T DE8787114540 T DE 8787114540T DE 3779863 T DE3779863 T DE 3779863T DE 3779863 D1 DE3779863 D1 DE 3779863D1
Authority
DE
Germany
Prior art keywords
model
synthetic polycrystalline
turning drill
polycrystalline cutters
cutters
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
Application number
DE8787114540T
Other languages
English (en)
Other versions
DE3779863T2 (de
Inventor
Richard Grappendorf
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 Christensen 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 Christensen Co filed Critical Eastman Christensen Co
Application granted granted Critical
Publication of DE3779863D1 publication Critical patent/DE3779863D1/de
Publication of DE3779863T2 publication Critical patent/DE3779863T2/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
    • E21B10/42—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 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)
DE8787114540T 1986-10-16 1987-10-06 Modell eines drehbohrmeissels mit synthetischen polykrystallinen schneidern. Expired - Fee Related DE3779863T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/919,712 US4744427A (en) 1986-10-16 1986-10-16 Bit design for a rotating bit incorporating synthetic polycrystalline cutters

Publications (2)

Publication Number Publication Date
DE3779863D1 true DE3779863D1 (de) 1992-07-23
DE3779863T2 DE3779863T2 (de) 1993-04-01

Family

ID=25442519

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787114540T Expired - Fee Related DE3779863T2 (de) 1986-10-16 1987-10-06 Modell eines drehbohrmeissels mit synthetischen polykrystallinen schneidern.

Country Status (4)

Country Link
US (1) US4744427A (de)
EP (1) EP0265718B1 (de)
CA (1) CA1286282C (de)
DE (1) DE3779863T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991670A (en) * 1984-07-19 1991-02-12 Reed Tool Company, Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
US5238074A (en) * 1992-01-06 1993-08-24 Baker Hughes Incorporated Mosaic diamond drag bit cutter having a nonuniform wear pattern
US5282513A (en) * 1992-02-04 1994-02-01 Smith International, Inc. Thermally stable polycrystalline diamond drill bit
US5636700A (en) 1995-01-03 1997-06-10 Dresser Industries, Inc. Roller cone rock bit having improved cutter gauge face surface compacts and a method of construction
US5709278A (en) 1996-01-22 1998-01-20 Dresser Industries, Inc. Rotary cone drill bit with contoured inserts and compacts
US5722497A (en) 1996-03-21 1998-03-03 Dresser Industries, Inc. Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176723A (en) * 1977-11-11 1979-12-04 DTL, Incorporated Diamond drill bit
DE3039632C2 (de) * 1980-10-21 1982-12-16 Christensen, Inc., 84115 Salt Lake City, Utah Drehborhmeißel für Tiefbohrungen
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
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
US4586574A (en) * 1983-05-20 1986-05-06 Norton Christensen, Inc. Cutter configuration for a gage-to-shoulder transition and face pattern
US4554986A (en) * 1983-07-05 1985-11-26 Reed Rock Bit Company Rotary drill bit having drag cutting elements
US4602691A (en) * 1984-06-07 1986-07-29 Hughes Tool Company Diamond drill bit with varied cutting elements
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

Also Published As

Publication number Publication date
US4744427A (en) 1988-05-17
EP0265718B1 (de) 1992-06-17
EP0265718A2 (de) 1988-05-04
DE3779863T2 (de) 1993-04-01
CA1286282C (en) 1991-07-16
EP0265718A3 (en) 1989-10-25

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee