Gas lift type liquid drainage and gas production pump

The invention discloses a gas lift type liquid drainage gas production pump. The device comprises an oil pipe, a central pipe and a standing valve, the central pipe is located in the oil pipe, and the gas production pump comprises a lower pump cylinder assembly and an upper pump cylinder assembly; t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GE LIJUN, ZOU QINGTENG, LIU XUE, ZHOU HAIFANG, QU DONGHAI, DU YE, LI YING, ZHENG RUI
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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