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May 15, 2014 | Drew Franklin
The Sensorless Pump Off Controller (SPOC) from SPOC Automation is an innovative, industry-changing product that can improve production and lower operating costs of oil, gas and CBM gas wells, even over wells with traditional pump off controllers.
SPOC software resides in the SPOC Automation IronHorse drive and requires no external sensors, wires, load cells or other field devices. SPOC uses technology that analyzes the motor’s rotor relationship to the stator to determine the load and position. As with traditional pump off controllers, pump off is determined when the load is reduced at specific positions.
With SPOC, you can establish high load limits and adjust intra-stroke speeds to maintain those limits. Unlike traditional pump off controllers, SPOC gives you text messages on the VFD keypad showing problems such as pump off, parted rod, leaking valve, high load and minimum load, even shutting down if conditions warrant. All this data is available via ModBus RTU as read and write values. SPOC allows you to monitor, control and fine tune the drive/pump off controller at the well site or by using telemetry and SCADA systems.
Increased Production
Lower Energy Consumption
Lower Capital Cost
Fewer Mechanical Failures