Oil pipe elevator device

The utility model discloses an oil pipe elevator device which comprises an upper oil pipe elevator, a lower oil pipe elevator and a supporting assembly. The upper oil pipe elevator is provided with a cylindrical first clamping position; the lower oil pipe elevator comprises a first buckling part and...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YAO LEI, YAO JIANSHE
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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