Method of drilling and jet drilling system

Method of drilling, comprising providing a drill string (1) in a borehole (2), the drill string comprising an abrasive jet drill head (16) including a jet nozzle (18), the drill string providing a passageway (20) for fluid to the jet nozzle; supplying a supply fluid mixture via the drill string to t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	VAN NIEUWKOOP, PIETER, BLANGE, JAN-JETTE
Format:	Patent
Sprache:	eng
Schlagworte:	ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GRINDING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS POLISHING TRANSPORTING
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