Schlumberger

FixStar Fixed Speed Drives

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Power and control of ESP systems

FixStar drives provide electrical submersible pump (ESP) operators with electrical system protection for downhole ESP systems in a fixed-speed application. They also provide an effective platform for analyzing well and pump performance in real time.

Proven protection system for ESPs

The modular FixStar drives are a proven protection system for ESPs operating in fixed-speed applications. They incorporate a combination of a fused main disconnect switch (or circuit breaker) with a vacuum (or air-break) contactor that connects ESP systems to the surface power supply. This provides maximum protection for the ESP system in case of major surface or downhole electrical system faults. Built-in lightning arresters protect the downhole pump system from spikes in the supply system caused by lightning strikes. The UniConn universal site controller in FixStar drives provides extensive electrical system monitoring and protection against both surface and downhole electrical faults.

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