Application of Asphaltene Dispersant for Asphaltene Deposition Prevention in Esp Oil Producing Wells Seeing Plugging Issues

Abstract Some ESP oil producing wells located at BED-3 area had been suffered from deposits formation downstream the pump, which lead to repetitive failures due asphaltene deposition, increased downtime/workover need and loss of production due to the plugging accumulations in ESP stages and motor. This plugging was seen in low and high water cut wells despite the scale inhibitors were injecting efficiently at those wells. In this study, methods such as SARA method, and asphaltene screening are adopted for the study of ESP downhole organic plugging problem. In addition, field trials were conducted by injection the asphaltene dispersant chemical (X) through the control line downhole the sensor of the ESP to ensure the effectiveness of the selected asphaltene dispersant product based on the close monitoring of the relative electrical submersible pump parameters. Further monitoring extended to more than one year proved the best performance of the selected chemical.