DE69109160D1 - Schneidanordnung mit Unterbrechungen für Bohrmeissel. - Google Patents

Schneidanordnung mit Unterbrechungen für Bohrmeissel.

Info

Publication number
DE69109160D1
DE69109160D1 DE69109160T DE69109160T DE69109160D1 DE 69109160 D1 DE69109160 D1 DE 69109160D1 DE 69109160 T DE69109160 T DE 69109160T DE 69109160 T DE69109160 T DE 69109160T DE 69109160 D1 DE69109160 D1 DE 69109160D1
Authority
DE
Germany
Prior art keywords
drill bits
intermittent cutting
cutting arrangement
arrangement
intermittent
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
DE69109160T
Other languages
English (en)
Other versions
DE69109160T2 (de
Inventor
Jacob Chow
Ralph M Horton
Mark L Jones
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton 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 Norton Co filed Critical Norton Co
Publication of DE69109160D1 publication Critical patent/DE69109160D1/de
Application granted granted Critical
Publication of DE69109160T2 publication Critical patent/DE69109160T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • E21B10/485Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type with inserts in form of chisels, blades or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
DE69109160T 1990-03-06 1991-03-05 Schneidanordnung mit Unterbrechungen für Bohrmeissel. Expired - Fee Related DE69109160T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49004190A 1990-03-06 1990-03-06

Publications (2)

Publication Number Publication Date
DE69109160D1 true DE69109160D1 (de) 1995-06-01
DE69109160T2 DE69109160T2 (de) 1995-08-31

Family

ID=23946370

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69109160T Expired - Fee Related DE69109160T2 (de) 1990-03-06 1991-03-05 Schneidanordnung mit Unterbrechungen für Bohrmeissel.

Country Status (5)

Country Link
EP (1) EP0446765B1 (de)
AU (1) AU640749B2 (de)
CA (1) CA2037480A1 (de)
DE (1) DE69109160T2 (de)
NO (1) NO910866L (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6883624B2 (en) 2003-01-31 2005-04-26 Smith International, Inc. Multi-lobed cutter element for drill bit
US6929079B2 (en) 2003-02-21 2005-08-16 Smith International, Inc. Drill bit cutter element having multiple cusps
US7690442B2 (en) 2005-05-17 2010-04-06 Smith International, Inc. Drill bit and cutting inserts for hard/abrasive formations
US7757789B2 (en) 2005-06-21 2010-07-20 Smith International, Inc. Drill bit and insert having bladed interface between substrate and coating
US7743855B2 (en) 2006-09-05 2010-06-29 Smith International, Inc. Drill bit with cutter element having multifaceted, slanted top cutting surface
US7686106B2 (en) 2007-01-03 2010-03-30 Smith International, Inc. Rock bit and inserts with wear relief grooves
US7631709B2 (en) 2007-01-03 2009-12-15 Smith International, Inc. Drill bit and cutter element having chisel crest with protruding pilot portion
US8205692B2 (en) 2007-01-03 2012-06-26 Smith International, Inc. Rock bit and inserts with a chisel crest having a broadened region
US7798258B2 (en) 2007-01-03 2010-09-21 Smith International, Inc. Drill bit with cutter element having crossing chisel crests
US8607899B2 (en) 2011-02-18 2013-12-17 National Oilwell Varco, L.P. Rock bit and cutter teeth geometries
US20140182947A1 (en) 2012-12-28 2014-07-03 Smith International, Inc. Cutting insert for percussion drill bit
US20150259985A1 (en) * 2014-03-11 2015-09-17 Varel International Ind., L.P. Short matrix drill bits and methodologies for manufacturing short matrix drill bits
WO2017123562A1 (en) 2016-01-13 2017-07-20 Schlumberger Technology Corporation Angled chisel insert

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0233851B1 (de) * 1986-02-19 1990-11-28 Strata Bit Corporation Schneidelement aus einem an eine Halterung angelöteten Verbundwerkstoff

Also Published As

Publication number Publication date
NO910866L (no) 1991-09-09
AU640749B2 (en) 1993-09-02
AU7261791A (en) 1991-09-12
CA2037480A1 (en) 1991-09-07
EP0446765B1 (de) 1995-04-26
EP0446765A1 (de) 1991-09-18
DE69109160T2 (de) 1995-08-31
NO910866D0 (no) 1991-03-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SAINT-GOBAIN ABRASIVES, INC., WORCESTER, MASS., US

8328 Change in the person/name/address of the agent

Representative=s name: GROSSE, BOCKHORNI, SCHUMACHER, 81476 MUENCHEN

8339 Ceased/non-payment of the annual fee