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

Gespeichert in:

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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	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; the upper end of the lower pump cylinder assembly is fixedly connected with the oil pipe, and the upper end of the upper pump cylinder assembly is fixedly connected with the central pipe; the upper pump cylinder assembly is arranged in the lower pump cylinder assembly, an annular space between the upper pump cylinder assembly and the lower pump cylinder assembly is a gas injection channel, and an annular space between the lower pump cylinder assembly and the sleeve is a gas production channel; a liquid storage cavity between a fixed valve at the lower end of the upper pump cylinder assembly and a ball valve at the lower part of the lower pump cylinder assembly is communicated with a gas injection channel; and a plug