INTELLIGENT OIL EXTRACTION SYSTEM USING ALL-METAL SCREW PUMP

An intelligent oil extraction system using an all-metal screw pump includes: the all-metal screw pump, an oil collecting unit (43), and a steam generating unit (45); wherein an internal threaded curve surface and an external threaded curve surface of the all-metal screw pump are both tapered spiral...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG, Zhihai, ZHOU, Guang, SUN, Xueling, LIANG, Haiyang, SUN, Xuelei
Format:	Patent
Sprache:	eng ; fre ; ger
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:	An intelligent oil extraction system using an all-metal screw pump includes: the all-metal screw pump, an oil collecting unit (43), and a steam generating unit (45); wherein an internal threaded curve surface and an external threaded curve surface of the all-metal screw pump are both tapered spiral structures with equal tapers; the oil extraction system comprises a lifting mechanism and monitoring and control mechanism; the monitoring and control mechanism comprises: a controller (34), a torque sensor (35), a flow sensor (36), a pressure sensor (39), a liquid level detector (38), and a backup power source (37); the controller (34) is electrically connected to the torque sensor (35), the flow sensor (36), the pressure sensor (39), the liquid level detector (38), the backup power source (37), a drive motor (48), a servo motor (33), a first valve and a second valve. The present invention can solve the technical problems such as short service life, high energy consumption, low pump efficiency, sand jam, and low intelligence of the conventional metal screw pumps.