Patent ID: 11891876
Assignee: NESA ENERGY LLC
Field: Civil engineering (Other fields)
Classification: CPC E  F | IPC E  F

Claim 9:
10. A method for forming an annular barrier downhole comprising:
moving a first sleeve within a housing from a first position to a second position, wherein in the first position the first sleeve covers a communication port through the housing, and in the second position the first sleeve covers a disc port extending through the housing and exposes the communication port;
moving a second sleeve within the housing to be positioned adjacent to the first sleeve, wherein when the second sleeve is positioned adjacent to the first sleeve the second sleeve covers the communication port;
landing a first wiper plug within the first sleeve to move the first sleeve from the first position to the second position; and
landing a second wiper plug on the second sleeve to move the second sleeve within the housing.