Higher Work Output Centrifugal Pump Stage

An electric submersible pump (ESP) assembly. The ESP assembly comprises a centrifugal pump assembly comprising a plurality of pump stages, wherein each pump stage comprises a diffuser and an impeller, wherein the impeller comprises a plurality of impeller vanes, wherein each impeller vane comprises...

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Bibliographische Detailangaben
Hauptverfasser:	Brown, Donn J, Sheth, Ketankumar Kantilal, McManus, David
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING NON-POSITIVE DISPLACEMENT PUMPS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	An electric submersible pump (ESP) assembly. The ESP assembly comprises a centrifugal pump assembly comprising a plurality of pump stages, wherein each pump stage comprises a diffuser and an impeller, wherein the impeller comprises a plurality of impeller vanes, wherein each impeller vane comprises an impeller vane trailing edge that attaches to a shroud of the impeller at a location downstream of a location where the impeller vane trailing edge attaches to a hub of the impeller, and wherein the diffuser comprises a plurality of diffuser vanes, wherein each diffuser vane comprises a diffuser vane leading edge that attaches to a shroud of the diffuser at a location downstream of a location where the diffuser vane leading edge attaches to a hub of the diffuser.