Patent ID: 11939836
Assignee: ADVANCED UPSTREAM LTD.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 22:
23. The port sub as claimed in claim 20, wherein:
the extending of the standard flow port, from the flow passage, is via an internal standard flow port communicator, and the extending of the standard flow port, to the environment external to the housing, is via an external standard flow port communicator, wherein the standard flow port configuration and the control flow port configuration are further co-operatively configured such that:
the degradation-effective communication with the standard flow port sealing configuration, via the first end sealing surface, is established via the internal standard flow port communicator; and
the degradation-effective communication with the standard flow port sealing configuration, via the second end sealing surface, is established via the external standard flow port communicator.