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US 2024/0183254 A1Published application
Diamond-like carbon coating for motors of electric submersible pumps and related methods
AssigneeSaudi Arabian Oil Company
InventorsQiwei Wang, Rui F. Pessoa Rodrigues
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Abstract
The disclosure relates to systems and methods that include coating a motor of an ESP with a DLC coating. The DLC coating includes a dopant and is hydrophobic. The coating can reduce (e.g., prevent) scale formation on the surface of the motor and/or reduce an amount of scale inhibitor chemical used to reduce scale.
Claims20
A system comprising:
- a motor comprising a housing that houses a motor stator;
- and
- a diamond-like carbon coating supported by the housing,
- wherein the diamond-like carbon coating comprises a dopant.
1 more element
A method, comprising:
- using a pump to pump a liquid from a subterranean formation using a well comprising a wellbore,
- wherein:
- the pump is in the wellbore,
- the pump is powered by a motor that supports a diamond-like carbon coating comprising a dopant;
- and
- the motor is in the wellbore.
3 more elements
Dependencies are inferred from the claim text.