A REGIONAL OPERATOR used an electrical submersible pumping (ESP) system with standard radial stages for artificial lift in Egypt. The well experienced decreased flow rates and produced from a formation known to accumulate calcium carbonates (scale). The operator struggled with this ESP because production was erratic, unreliable, and inconsistent. After continuous problems, the pump became plugged. Average run life was less than three months, which forced the operator to intervene and look for another artificial lift solution. The operator approached Baker Hughes for a replacement ESP system. The solution required increased reliability, improved production, and extended run life. Baker Hughes proposed an enhanced ESP system with a robust Stabilized Heavy Duty (SHD) pump that contained special mixed-flow stages. These stages were designed by Baker Hughes engineers with wider vane openings to reduce the solids and scale accumulation.
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