Novel oil well pumping unit

The novel oil well pumping unit comprises a fixing frame, guide wheels are vertically and symmetrically arranged on the top of the inner side of the fixing frame along the middle of the fixing frame, a steel cable is arranged on the outer sides of the two guide wheels in an attached mode, a balancin...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	GE GUOSHENG
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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