Drill stem deviation prevention device

The utility model discloses a drill stem deviation prevention device, belonging to the mine operation device. The drill stem deviation prevention device comprises a drill stem and a drill gyrator, wherein, the drill gyrator is connected with a hydraulic chuck, a first fixing ring is arranged at one...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHAO LIHENG, SHI HE, NIU SHIKAI, LIU XIYANG
Format:	Patent
Sprache:	chi ; 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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!