ZA786359B - Drill bit - Google Patents

Drill bit

Info

Publication number
ZA786359B
ZA786359B ZA00786359A ZA786359A ZA786359B ZA 786359 B ZA786359 B ZA 786359B ZA 00786359 A ZA00786359 A ZA 00786359A ZA 786359 A ZA786359 A ZA 786359A ZA 786359 B ZA786359 B ZA 786359B
Authority
ZA
South Africa
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
ZA00786359A
Inventor
R Generoux
Original Assignee
Lamage 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 Lamage Ltd filed Critical Lamage Ltd
Publication of ZA786359B publication Critical patent/ZA786359B/en

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
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • 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
    • E21B10/02—Core bits

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)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
ZA00786359A 1977-11-18 1978-11-13 Drill bit ZA786359B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA291,253A CA1053938A (en) 1977-11-18 1977-11-18 Drill bit

Publications (1)

Publication Number Publication Date
ZA786359B true ZA786359B (en) 1979-10-31

Family

ID=4110073

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00786359A ZA786359B (en) 1977-11-18 1978-11-13 Drill bit

Country Status (8)

Country Link
AU (1) AU4162378A (en)
CA (1) CA1053938A (en)
DE (1) DE2850015A1 (en)
ES (1) ES475183A1 (en)
FR (1) FR2409372A1 (en)
GB (1) GB2009284B (en)
SE (1) SE437178B (en)
ZA (1) ZA786359B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8805789D0 (en) * 1988-03-11 1988-04-13 Reed Tool Co Improvements in/relating to cutter assemblies for rotary drill bits
DE8805449U1 (en) * 1988-04-25 1988-06-09 Maier, Wolfgang, 5630 Remscheid Diamond core drill
DE3842673A1 (en) * 1988-12-19 1990-06-21 Atilla Dipl Chem Dr Ing Akyol Process for producing wear-resistant coats
DE3901528A1 (en) * 1989-01-20 1990-07-26 Hilti Ag HOLLOW DRILLING TOOL
CA2081033C (en) * 1992-10-21 1995-08-08 Barry Wolf Nest drill tube
US20030186636A1 (en) * 2002-03-27 2003-10-02 Devrim Akyuz Tool for cutting solid materials
CN101456216B (en) * 2009-01-09 2011-08-10 博深工具股份有限公司 Laser-welding diamond disc and preparation method thereof
US8991524B2 (en) 2010-09-13 2015-03-31 Longyear Tm, Inc. Impregnated drill bits with integrated reamers
CN104487239A (en) * 2012-05-22 2015-04-01 欧文斯科宁知识产权资产有限公司 Laminated foam product and method of making laminated foam product
CN111577147B (en) * 2020-05-15 2024-12-06 中国科学院武汉岩土力学研究所 An impregnated diamond drill bit for inhibiting core cake formation
CN114075928A (en) * 2020-08-14 2022-02-22 成都百施特金刚石钻头有限公司 Composite sheet for drill bit and drill bit
CN120861824A (en) * 2025-09-25 2025-10-31 金石钻探(唐山)股份有限公司 A process for machining the sprue of a hot-pressed impregnated diamond drill bit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2182562A (en) * 1937-01-23 1939-12-05 Charles J Koebel Core bit
US2511991A (en) * 1948-02-13 1950-06-20 Nussbaum Leon Rotary drilling tool
US2506388A (en) * 1948-10-20 1950-05-02 Koebel Diamond Tool Co Core bit
US3106973A (en) * 1960-09-26 1963-10-15 Christensen Diamond Prod Co Rotary drill bits

Also Published As

Publication number Publication date
SE7800293L (en) 1979-05-19
CA1053938A (en) 1979-05-08
AU4162378A (en) 1979-05-24
GB2009284B (en) 1982-03-24
SE437178B (en) 1985-02-11
ES475183A1 (en) 1979-05-16
GB2009284A (en) 1979-06-13
FR2409372A1 (en) 1979-06-15
DE2850015A1 (en) 1979-05-23

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