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US 11,111,925 B2Granted
Prevention of ferromagnetic solids deposition on electrical submersible pumps (ESPS) by magnetic means
AssigneeSaudi Arabian Oil Company
InventorsMohannad Abdelaziz, Rafael Adolfo Lastra Melo
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Abstract
A system is provided for use with an electrical submersible pump (ESP). The system includes an ESP mounted on a tubing and a magnetic field source positioned above the ESP. The magnetic field source generates a magnetic field configured to suspend iron-containing particles above a discharge of the ESP. The magnetic field prevents an accumulation of the iron-containing particles onto components of the ESP during a powered-off state of the ESP.
Claims6
A system comprising:
- an electrical submersible pump (ESP) mounted on a tubing;
- a magnetic field source positioned above the electrical submersible pump (ESP), the magnetic field source configured to generate a magnetic field configured to suspend iron-containing particles above a discharge of the electrical submersible pump (ESP), the magnetic field preventing an accumulation of the iron-containing particles onto components of the electrical submersible pump (ESP) during a powered-off state of the electrical submersible pump (ESP);
- and
- a controller configured to switch between powering the electrical submersible pump (ESP) and powering the magnetic field source, by energizing a selected one of the electrical submersible pump (ESP) and the magnetic field source based on an amplitude of voltage supplied to the controller.
1 more element
Dependencies are inferred from the claim text.