Novel power slip

The utility model relates to a novel power slip used in the drilling operation. The power slip comprises a connecting rod, a rotating arm, a hoisting frame, a slip wedge body, a slip insert, slips, a slip base, a large quadrel, a hoisting frame lifting power cylinder, a connecting rod rotating power...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HAN CHUANJUN, MO LI, YANG JIANZHONG, LIU QINGYOU, QIU YALING
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
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