Abstract
Abstract To extend the run life of the pump while producing all available fluid is the goal of all PCP operators. The primary challenge is to do so without starving the pump and causing damage to the stator. The petroleum industry has been searching for years to find a reliable way to control progressing cavity pumps for pump-off. Several methods have been used, from monitoring torque to manual fluid levels. To date, none of these have been commercially successful. A method for controlling these wells has been developed combining wedge meter flow technology and microprocessor control of both electric motors using variable frequency drives and hydraulic motors using proportional control valves. This method has proven to be accurate and reliable, extending the run life while producing all available fluids. Combining this automated technology at the well with a web based system that feeds back real time data to a dedicated SCADA host allows PCP technical experts to diagnose problems, and operators to respond quickly to changing well conditions. This presentation discusses the advances in automation and optimization of progressing cavity pumps. The method will be explained and data will be presented of field study results showing actual well tests.
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