Method, drilling machine, drill bit and bottom hole assembly for drilling by electrical discharge by electrical discharge pulses

Machine for ground drilling, with a circulating fluid, by the utilization of electric discharge generated by high-voltage pulses between electrodes. It may comprise: -A drill-bit 1 with electrodes movable relative to each other, so that bottom-hole physical contact be secured for all the electrodes...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	VAJOV VLADISLAV F, ROEDLAND ARILD, LOPATIN VLADIMIR V, MURATOV VASILI M
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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