Patent ID: 11859475
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC E  F  H | IPC E  F

Claim 7:
8. A method comprising:
running an electric submersible pump into a wellbore, the electric submersible pump including a pump, an electric motor coupled to the pump, and a seal, the seal including an outer housing and a seal bag internal to the outer housing, the seal bag including an outer layer and an inner layer, wherein the outer layer has a surface that comprises a material that prevents friction coupling of the outer layer in a swellable state to an inside surface of the outer housing, the material different than materials of the outer layer and of the inner layer;
swelling, by the outer layer while retaining a structure of the outer layer, to contact the outer housing; and
swelling, by the inner layer, to seal a tear in the outer layer in response to the inner layer contacting a polar substance.