EP1134355A3 - Drehbohrmeissel - Google Patents

Drehbohrmeissel Download PDF

Info

Publication number
EP1134355A3
EP1134355A3 EP01113872A EP01113872A EP1134355A3 EP 1134355 A3 EP1134355 A3 EP 1134355A3 EP 01113872 A EP01113872 A EP 01113872A EP 01113872 A EP01113872 A EP 01113872A EP 1134355 A3 EP1134355 A3 EP 1134355A3
Authority
EP
European Patent Office
Prior art keywords
cutters
cutter
bit body
negative side
ridge
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.)
Withdrawn
Application number
EP01113872A
Other languages
English (en)
French (fr)
Other versions
EP1134355A2 (de
Inventor
John M. Fuller
Andrew Murdock
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
Priority claimed from EP95306936A external-priority patent/EP0707130B1/de
Publication of EP1134355A2 publication Critical patent/EP1134355A2/de
Publication of EP1134355A3 publication Critical patent/EP1134355A3/de
Withdrawn legal-status Critical Current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
    • E21B10/42Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E21B10/43Rotary 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
    • 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
    • E21B10/56Button-type inserts
    • E21B10/567Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
EP01113872A 1994-10-15 1995-09-29 Drehbohrmeissel Withdrawn EP1134355A3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9420839A GB9420839D0 (en) 1994-10-15 1994-10-15 Improvements in or relating to rotary drill bits
GB9420839 1994-10-15
EP95306936A EP0707130B1 (de) 1994-10-15 1995-09-29 Drehbohrmeissel

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP95306936A Division EP0707130B1 (de) 1994-10-15 1995-09-29 Drehbohrmeissel

Publications (2)

Publication Number Publication Date
EP1134355A2 EP1134355A2 (de) 2001-09-19
EP1134355A3 true EP1134355A3 (de) 2002-03-06

Family

ID=10762922

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01113872A Withdrawn EP1134355A3 (de) 1994-10-15 1995-09-29 Drehbohrmeissel

Country Status (2)

Country Link
EP (1) EP1134355A3 (de)
GB (1) GB9420839D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7225890B2 (en) 2003-08-12 2007-06-05 Black & Decker Inc. Cutting plate for a drill bit

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101605962A (zh) 2007-02-12 2009-12-16 贝克休斯公司 旋转式刮刀钻头
JP4897087B2 (ja) 2007-10-03 2012-03-14 ミリポア・コーポレイション 積層プレート式ろ過カートリッジ
CN108222845B (zh) * 2018-04-09 2024-04-26 成都百施特金刚石钻头有限公司 钻采工具用环状切削合金齿
CN113404436B (zh) * 2021-07-29 2022-08-09 东北石油大学 一种适用于软硬夹层的定向双齿自平衡pdc钻头
CN116591614A (zh) * 2023-04-03 2023-08-15 吉林大学 一种软硬交错地层双层变切削角切削工具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140189A (en) * 1977-06-06 1979-02-20 Smith International, Inc. Rock bit with diamond reamer to maintain gage
US4475606A (en) * 1982-08-09 1984-10-09 Dresser Industries, Inc. Drag bit
EP0522553A1 (de) * 1991-07-11 1993-01-13 Baker Hughes Incorporated Bohrspitze mit erhöhter Stabilität
EP0575198A1 (de) * 1992-06-19 1993-12-22 Dresser Industries Inc. Bohrmeissel mit verbessertem Schneidenmassschema

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140189A (en) * 1977-06-06 1979-02-20 Smith International, Inc. Rock bit with diamond reamer to maintain gage
US4475606A (en) * 1982-08-09 1984-10-09 Dresser Industries, Inc. Drag bit
EP0522553A1 (de) * 1991-07-11 1993-01-13 Baker Hughes Incorporated Bohrspitze mit erhöhter Stabilität
EP0575198A1 (de) * 1992-06-19 1993-12-22 Dresser Industries Inc. Bohrmeissel mit verbessertem Schneidenmassschema

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7225890B2 (en) 2003-08-12 2007-06-05 Black & Decker Inc. Cutting plate for a drill bit

Also Published As

Publication number Publication date
GB9420839D0 (en) 1994-11-30
EP1134355A2 (de) 2001-09-19

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