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- Electrical faults, such as faulty wiring, motor malfunctions, or problems with the control panel, can disrupt the pump’s operation and lead to breakdowns.
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- Reverse Rotation. This is where the pump is wired incorrectly meaning the motor runs backwards. When this happens, very little water will be pumped but it does serious damage to the pump, polishing the impeller and leading to cavitation*.
- Dry Running. This is where the water level drops to a point where the pump cannot draw a decent amount of water and/or starts to create a lot of disturbance in the water.
- Running on the Right of the Curve. This is where there is less vertical head than the pump is designed to handle, which makes the pump less efficient.
- Specific Gravity. Submersible pumps are not designed to deal with high levels of solids and will usually quickly fail in slurry applications. Exceeding 1.1 – 1.2 specific gravity is a no-go, this effectively constitutes a sand slurry.
- Electrical Failures
- Mechanical Failures
- Operating Failures
The electrical failures are the most common among the three main failure mechanisms of ESP. These failures are also considered the most severe since any electrical failure will result in a complete failure to the entire assembly and thus retrieval of the assembly becomes mandatory. The electrical failures discussed in this research include cable fa...
Mechanical failures are usually tied to the moving components in the ESP assembly; however, they can also include stationary components in some cases. The stationary components include bearings and threads. Mechanical failures are extremely difficult to remedy and usually require component retrieval and replacement. This can disrupt operations for ...
Operating failures can refer to any failure that cannot be classified as mechanical or electrical in origin. This means that operational failures will result due to an operational condition or error; however, it may result in mechanical or electrical failure. The operating failures discussed in this research include temperature, pressure, multiphas...
- Sherif Fakher, Abdelaziz Khlaifat, M. Enamul Hossain, Hashim Nameer
- 2021
Electrical problems can significantly impact the performance and lifespan of submersible pumps. Issues with the power supply, such as insufficient voltage or faulty wiring, may lead to motor overheating and probable burnout.
Sep 3, 2021 · One of the most applied artificial lift methods nowadays is the electrical submersible pump (ESP). This artificial lift method has the ability to handle large volumes of hydrocarbons and is...
Aug 16, 2024 · Electrical issues can affect the performance and life span of submersible pumps. Problems with the power supply, such as insufficient voltage or faulty wiring, can lead to motor overheating and potential burnout.
The surface components include an electric power supply, a transformer, a control board, and a control valve. The underground components include a centrifugal pump, an electric motor, a cable, and sensors. The existence of the components down the well exposes the system to severe challenges.
