NL167495C - Diamantbeitel. - Google Patents

Diamantbeitel.

Info

Publication number
NL167495C
NL167495C NL7101188A NL7101188A NL167495C NL 167495 C NL167495 C NL 167495C NL 7101188 A NL7101188 A NL 7101188A NL 7101188 A NL7101188 A NL 7101188A NL 167495 C NL167495 C NL 167495C
Authority
NL
Netherlands
Prior art keywords
diamond chisel
chisel
diamond
Prior art date
Application number
NL7101188A
Other languages
English (en)
Other versions
NL7101188A (en
NL167495B (nl
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Priority to NL7101188A priority Critical patent/NL167495C/nl
Publication of NL7101188A publication Critical patent/NL7101188A/xx
Publication of NL167495B publication Critical patent/NL167495B/nl
Application granted granted Critical
Publication of NL167495C publication Critical patent/NL167495C/nl

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

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)
NL7101188A 1971-01-29 1971-01-29 Diamantbeitel. NL167495C (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7101188A NL167495C (nl) 1971-01-29 1971-01-29 Diamantbeitel.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7101188A NL167495C (nl) 1971-01-29 1971-01-29 Diamantbeitel.

Publications (3)

Publication Number Publication Date
NL7101188A NL7101188A (en) 1972-08-01
NL167495B NL167495B (nl) 1981-07-16
NL167495C true NL167495C (nl) 1981-12-16

Family

ID=19812362

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7101188A NL167495C (nl) 1971-01-29 1971-01-29 Diamantbeitel.

Country Status (1)

Country Link
NL (1) NL167495C (nl)

Also Published As

Publication number Publication date
NL7101188A (en) 1972-08-01
NL167495B (nl) 1981-07-16

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Legal Events

Date Code Title Description
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ

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