Self -circulation hot well -flushing wax removal gathering system

The utility model relates to a self -circulation hot well -flushing wax removal gathering system, the sucker rod of beam -pumping unit inserts in oil pipe, oil pipe is arranged in sleeve pipe in the pit, the cross that lies in more than the ground is installed to the port on the sheathed tube in the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LI XING, LIU SONGLIN, PAN GUOHUI, BAI YOUGUO, LI FANLEI, GUAN JUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model relates to a self -circulation hot well -flushing wax removal gathering system, the sucker rod of beam -pumping unit inserts in oil pipe, oil pipe is arranged in sleeve pipe in the pit, the cross that lies in more than the ground is installed to the port on the sheathed tube in the pit, oil pipe's upper end is passed from the center of cross, the left and right sides of cross isconnected with the sleeve pipe gate that is linked together with casing annulus in the pit respectively, upper portion one side of oil pipe is connected with the oil pipe gate, the oil pipe gate linksto each other with the defeated collecting main of collection, wherein the well -flushing check valve is installed in the outside of one side sleeve pipe gate, be connected with the well -flushing branch pipe on the export pipeline of oil pipe gate, the well -flushing branch pipe links to each other with the entry of oil bath heating ware, the export of oil bath heating ware links to each other with the entry of well -flu