GB2009284B - Diamond drill core bits - Google Patents

Diamond drill core bits

Info

Publication number
GB2009284B
GB2009284B GB7845060A GB7845060A GB2009284B GB 2009284 B GB2009284 B GB 2009284B GB 7845060 A GB7845060 A GB 7845060A GB 7845060 A GB7845060 A GB 7845060A GB 2009284 B GB2009284 B GB 2009284B
Authority
GB
United Kingdom
Prior art keywords
drill core
diamond drill
core bits
bits
diamond
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
Application number
GB7845060A
Other versions
GB2009284A (en
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.)
LAMAGE Ltd
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 GB2009284A publication Critical patent/GB2009284A/en
Application granted granted Critical
Publication of GB2009284B publication Critical patent/GB2009284B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/02—Core bits
GB7845060A 1977-11-18 1978-11-17 Diamond drill core bits Expired GB2009284B (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 (2)

Publication Number Publication Date
GB2009284A GB2009284A (en) 1979-06-13
GB2009284B true GB2009284B (en) 1982-03-24

Family

ID=4110073

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7845060A Expired GB2009284B (en) 1977-11-18 1978-11-17 Diamond drill core bits

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 (9)

* 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, De
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
MX2014014206A (en) 2012-05-22 2015-06-04 Owens Corning Intellectual Cap Laminated foam product and methods for making laminated foam products.

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
GB2009284A (en) 1979-06-13
ES475183A1 (en) 1979-05-16
SE437178B (en) 1985-02-11
DE2850015A1 (en) 1979-05-23
AU4162378A (en) 1979-05-24
CA1053938A (en) 1979-05-08
FR2409372A1 (en) 1979-06-15
ZA786359B (en) 1979-10-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee