Journal
UPSTREAM OIL AND GAS TECHNOLOGY
Volume 9, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.upstre.2022.100074
Keywords
Electrical Submerisible Pump; Permanent Magent Motor; Artificial Lift; Production
Categories
Funding
- American University in Cairo [AUC-RSG2-2020]
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This research investigates the replacement of the conventional asynchronous three phase induction motor with a synchronous two-to-four pole permanent magnetic motor (PMM) for a prolonged ESP mean time between failure and a higher output with lower energy requirements. The screening criteria for the application of PMM with ESP are provided based on wellbore, formation rock, and reservoir fluid properties.
Electrical submersible pumps (ESP) are one of the most utilized artificial lift methods to increase oil recovery. Conventional ESPs operate using an asynchronous three phase induction motor. Although this type of motor has proven to be effective in powering the ESP, it has several disadvantages and is prone to failure especially in severe downhole conditions. This research investigates the replacement of the conventional asynchronous three phase induction motor with a synchronous two-to-four pole permanent magnetic motor (PMM) for a prolonged ESP mean time between failure and a higher output with lower energy requirements. PMMs have been applied in multiple fields worldwide when using ESP with different string designs and operating conditions. The advantages of using PMMs with ESP have varied significantly depending on the wellbore properties including depth, temperature, and pressure; reservoir rock properties including unconsolidated formations; and reservoir fluid properties including the presence of wax, asphaltene, carbon dioxide, hydrogen sulfide, and high total dissolved salts. Since the performance of the PMM with ESP varies from one reservoir and formation to another, it is important to set a guideline to the application of ESP-PMM based on the aforementioned properties. This research therefore provides proper screening criteria for the application of PMM with ESP based on wellbore, formation rock, and reservoir fluid properties. The screening criteria are constructed based on a comprehensive database of real field implementations of PMM with ESP in more than 10 different countries worldwide.
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