AU3574197A - Non-symmetrical stress-resistant rotary drill bit cutter element - Google Patents

Non-symmetrical stress-resistant rotary drill bit cutter element

Info

Publication number
AU3574197A
AU3574197A AU35741/97A AU3574197A AU3574197A AU 3574197 A AU3574197 A AU 3574197A AU 35741/97 A AU35741/97 A AU 35741/97A AU 3574197 A AU3574197 A AU 3574197A AU 3574197 A AU3574197 A AU 3574197A
Authority
AU
Australia
Prior art keywords
drill bit
rotary drill
cutter element
bit cutter
resistant rotary
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.)
Abandoned
Application number
AU35741/97A
Other languages
English (en)
Inventor
Chris Edward Cawthorne
Gary Edward Garcia
Scott D. Mcdonough
James Carl Minikus
Per Ivar Nese
Gary Ray Portwood
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.)
Smith International Inc
Original Assignee
Smith International Inc
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
Priority claimed from US08/668,109 external-priority patent/US5813485A/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of AU3574197A publication Critical patent/AU3574197A/en
Abandoned 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type 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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement

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)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
AU35741/97A 1996-06-21 1997-06-20 Non-symmetrical stress-resistant rotary drill bit cutter element Abandoned AU3574197A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US2019896P 1996-06-21 1996-06-21
US60020198 1996-06-21
US08/668,109 US5813485A (en) 1996-06-21 1996-06-21 Cutter element adapted to withstand tensile stress
US08668109 1996-06-21
PCT/US1997/010772 WO1997048873A2 (fr) 1996-06-21 1997-06-20 Element coupant rotatif de forme asymetrique resistant a la contrainte, destine a un trepan

Publications (1)

Publication Number Publication Date
AU3574197A true AU3574197A (en) 1998-01-07

Family

ID=26693157

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35741/97A Abandoned AU3574197A (en) 1996-06-21 1997-06-20 Non-symmetrical stress-resistant rotary drill bit cutter element

Country Status (3)

Country Link
AU (1) AU3574197A (fr)
GB (1) GB2330851B (fr)
WO (1) WO1997048873A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6053263A (en) * 1997-06-20 2000-04-25 Baker Hughes Incorporated Cutting element tip configuration for an earth-boring bit
EP0957232A1 (fr) * 1998-05-13 1999-11-17 BOART LONGYEAR GMBH & CO. KG HARTMETALLWERKZEUGFABRIK Trépan à molettesavec des anneaux de coupe segmentés pour tunneliers
US20050247486A1 (en) * 2004-04-30 2005-11-10 Smith International, Inc. Modified cutters
US7726420B2 (en) 2004-04-30 2010-06-01 Smith International, Inc. Cutter having shaped working surface with varying edge chamfer
CN109898995B (zh) * 2019-02-19 2021-06-08 西南石油大学 一种具有滚动齿圈的组合式单牙轮钻头
CN110185397A (zh) * 2019-07-11 2019-08-30 西南石油大学 一种圆弧-抛物线-圆弧的新型齿形结构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058177A (en) * 1976-03-29 1977-11-15 Dresser Industries, Inc. Asymmetric gage insert for an earth boring apparatus
US4334586A (en) * 1980-06-05 1982-06-15 Reed Rock Bit Company Inserts for drilling bits
US5322138A (en) * 1991-08-14 1994-06-21 Smith International, Inc. Chisel insert for rock bits
US5592995A (en) * 1995-06-06 1997-01-14 Baker Hughes Incorporated Earth-boring bit having shear-cutting heel elements
US5201376A (en) * 1992-04-22 1993-04-13 Dresser Industries, Inc. Rock bit with improved gage insert
US5421423A (en) * 1994-03-22 1995-06-06 Dresser Industries, Inc. Rotary cone drill bit with improved cutter insert

Also Published As

Publication number Publication date
WO1997048873A2 (fr) 1997-12-24
GB2330851B (en) 2000-08-16
WO1997048873A3 (fr) 1998-02-12
GB9826993D0 (en) 1999-02-03
GB2330851A (en) 1999-05-05

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