Injection-production integrated heavy oil pump

The invention relates to an injection-production integrated heavy oil pump. The heavy oil pump comprises an upper pump cylinder, a lower pump cylinder, an offset one-way valve and a stirring device, wherein an upper plunger is assembled in the upper pump cylinder; a lower plunger is assembled in the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU RUOXU, MA HAI, XING DEGANG, FAN XIQUN, ZHANG HONGJIE, HU YINGCAI, YANG KANGMIN, WANG XUEHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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