AU2112570A - - Google Patents

Info

Publication number
AU2112570A
AU2112570A AU21125/70A AU2112570A AU2112570A AU 2112570 A AU2112570 A AU 2112570A AU 21125/70 A AU21125/70 A AU 21125/70A AU 2112570 A AU2112570 A AU 2112570A AU 2112570 A AU2112570 A AU 2112570A
Authority
AU
Australia
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
AU21125/70A
Other languages
English (en)
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 filed Critical
Priority to AU21125/70A priority Critical patent/AU2112570A/en
Publication of AU2112570A publication Critical patent/AU2112570A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • E21B10/38Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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
    • E21B10/58Chisel-type inserts
AU21125/70A 1970-10-15 1970-10-15 Expired AU2112570A (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU21125/70A AU2112570A (it) 1970-10-15 1970-10-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU21125/70A AU2112570A (it) 1970-10-15 1970-10-15

Publications (1)

Publication Number Publication Date
AU2112570A true AU2112570A (it) 1972-04-20

Family

ID=3710386

Family Applications (1)

Application Number Title Priority Date Filing Date
AU21125/70A Expired AU2112570A (it) 1970-10-15 1970-10-15

Country Status (1)

Country Link
AU (1) AU2112570A (it)

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