Multifunctional polish rod sealer

The utility model relates to a multifunctional polish rod sealer. The technical scheme of the utility model is as follows: the multifunctional polish rod sealer mainly comprises a lubricant reservoir lubricating cup, a packing press cap, a packing press block, a packing box body, packing, a lower co...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MAN SHANPING, HE KUNYUAN
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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