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US 12,691,666 B2Granted
Dielectric insulation film
AssigneeSchlumberger Technology Corporation
InventorsWilliam Goertzen, Varun Vinaykumar Nyayadhish, Jason Holzmueller, Shuaishuai Lambkin
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Abstract
Dielectric films are provided. Such films can be used in electric submersible pump stators, for example, as slot liners, phase barriers, or housing barriers. The film includes a polymeric matrix combined with an inorganic filler or reinforcing system.
Claims16
A dielectric film comprising:
- a polymeric matrix;
- an inorganic, thermally conductive filler;
- and
- a plurality of layers comprising:
- one or more outer layers comprising a water resistant material;
- and
- one or more inner layers comprising a high dielectric strength polyimide film or polyimide composite film, wherein:
- each layer of the plurality of layers is a film, and
- the one or more inner layers are sandwiched between the one or more outer layers such that the plurality of layers are configured to not physically or chemically bond together prior to insertion into an electric submersible pump motor stator.
6 more elements
A method of making a dielectric film, the method comprising:
- forming one or more outer layers, wherein each outer layer comprises a water resistant material;
- forming one or more inner layers, wherein each inner layer comprises a high dielectric strength polyimide film or polyimide composite film;
- and
- sandwiching together the one or more inner layers with the one or more outer layers wherein the one or more inner layers and the one or more outer layers are not physically or chemically bonded together prior to insertion into an electric submersible pump motor stator.
1 more element
Dependencies are inferred from the claim text.