HSP Hydraulic Submersible Pump

HSP Hydraulic Submersible Pump

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Hydraulic Submersible Pumps (HSPs) are similar to standard ESPs, but they are not driven by a submerged motor, but rather by a pressurized power fluid and a turbine.

This avoids potential failures of electrification (cable, motor, protector) while also avoiding any problems arising from high motor temperature.

Furthermore, HSPs can operate at larger rotational speeds than standard ESPs and are able to handle a significant amount of free gas at the intake.

In an open design, the power fluid is commingled with the reservoir fluid after the centrifugal pump and needs to be separated again on the surface.

When the pump is operated in a closed system, more effort is required on the system design itself. 

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