Patent ID: 11959353
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 6:
7. The sealing assembly of claim 4, wherein:
the sealing mixture is positionable within the container housing for retaining the sealing mixture before the sealing assembly is expanded;
the multiple layers of seal include a first pressure seal formed by the first expandable sealing element and the second expandable sealing element and a second pressure seal formed by the sealing mixture;
the multiple layers of seal are formable in response to the plurality of pistons receiving the differential pressure and the sealing assembly expanding;
a rigid containing mechanism, in response to the plurality of pistons receiving the differential pressure, contains the first expandable sealing element and the second expandable sealing element and allows the first expandable sealing element and the second expandable sealing element to expand to contact the wall of the open-hole wellbore to form the first pressure seal; and
at least two internal seals provide seals within the sealing assembly to prevent the sealing mixture from leaking, and to allow the sealing mixture to form the second pressure seal, after the sealing assembly is expanded.