Screw pump injection and production integrated mining device

The invention discloses a screw pump injection and production integrated mining device. The device comprises a first steam injection switch valve and a steam injection protection valve; the first end of a steam injection flow channel of the first steam injection switch valve is communicated with ste...

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Bibliographische Detailangaben
Hauptverfasser:	BI YOUJUN, TIAN YONG, TONG YUBAO, WANG XIANGRONG, YANG YUYAO
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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Beschreibung
Zusammenfassung:	The invention discloses a screw pump injection and production integrated mining device. The device comprises a first steam injection switch valve and a steam injection protection valve; the first end of a steam injection flow channel of the first steam injection switch valve is communicated with steam injection equipment, and the second end of the steam injection flow channel is communicated with an annular space between oil casings; the steam injection protection valve is connected to the lower portion of the steam injection switch valve; an inner hole of the steam injection switch valve is communicated with a through hole of the steam injection protection valve; the device further comprises a second steam injection switch valve arranged below the steam injection protection valve; and the first end of a steam injection flow channel of the second steam injection switch valve is communicated with the through hole of the steam injection protection valve, and the second end of the steam injection flow channel is