DE69007897D1 - Schneidelement für Drehbohrmeissel mit mehrschichtiger Schneidoberfläche. - Google Patents

Schneidelement für Drehbohrmeissel mit mehrschichtiger Schneidoberfläche.

Info

Publication number
DE69007897D1
DE69007897D1 DE90308221T DE69007897T DE69007897D1 DE 69007897 D1 DE69007897 D1 DE 69007897D1 DE 90308221 T DE90308221 T DE 90308221T DE 69007897 T DE69007897 T DE 69007897T DE 69007897 D1 DE69007897 D1 DE 69007897D1
Authority
DE
Germany
Prior art keywords
drill bits
rotary drill
layer
cutting element
cutting surface
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
DE90308221T
Other languages
English (en)
Other versions
DE69007897T2 (de
Inventor
Thomas Alexander Newton
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.)
Camco Drilling Group Ltd
Original Assignee
Camco Drilling Group Ltd
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 Camco Drilling Group Ltd filed Critical Camco Drilling Group Ltd
Application granted granted Critical
Publication of DE69007897D1 publication Critical patent/DE69007897D1/de
Publication of DE69007897T2 publication Critical patent/DE69007897T2/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
    • E21B10/46—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/148—Composition of the cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D99/00—Subject matter not provided for in other groups of this subclass
    • B24D99/005—Segments of abrasive wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/186—Tools therefor, e.g. having exchangeable cutter bits
    • B28D1/188—Tools therefor, e.g. having exchangeable cutter bits with exchangeable cutter bits or cutter segments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T407/00—Cutters, for shaping
    • Y10T407/27—Cutters, for shaping comprising tool of specific chemical composition

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
DE69007897T 1989-08-04 1990-07-26 Schneidelement für Drehbohrmeissel mit mehrschichtiger Schneidoberfläche. Expired - Fee Related DE69007897T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8917878A GB2234542B (en) 1989-08-04 1989-08-04 Improvements in or relating to cutting elements for rotary drill bits

Publications (2)

Publication Number Publication Date
DE69007897D1 true DE69007897D1 (de) 1994-05-11
DE69007897T2 DE69007897T2 (de) 1994-11-17

Family

ID=10661182

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69007897T Expired - Fee Related DE69007897T2 (de) 1989-08-04 1990-07-26 Schneidelement für Drehbohrmeissel mit mehrschichtiger Schneidoberfläche.

Country Status (6)

Country Link
US (1) US5135061A (de)
EP (1) EP0411831B1 (de)
DE (1) DE69007897T2 (de)
GB (1) GB2234542B (de)
IE (1) IE64060B1 (de)
ZA (1) ZA906044B (de)

Families Citing this family (221)

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GB2234542B (en) 1993-03-31
IE64060B1 (en) 1995-07-12
DE69007897T2 (de) 1994-11-17
ZA906044B (en) 1991-12-24
EP0411831A1 (de) 1991-02-06
US5135061A (en) 1992-08-04
GB2234542A (en) 1991-02-06
GB8917878D0 (en) 1989-09-20
EP0411831B1 (de) 1994-04-06
IE902833A1 (en) 1991-02-27

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