Downhole pressure barrier and method for communication lines

摘要

A technique enables sealing of downhole components by providing a downhole pressure barrier for communication lines. The system comprises a communication line cementing sub that may be coupled into a tubing string. The cementing sub comprises a flow passage, a radially protruding region, a first connector, and a second connector. The first connector is generally disposed on a first longitudinal end of the radially protruding region, and the second connector is disposed on a second longitudinal end of the radially protruding region. Additionally, a passageway extends through the radially protruding region from the first connector to the second connector. The first and second connectors enable routing of a communication line through the radially protruding region.

主权项

1. A system for use in a well, comprising a tubing string having a communication line cementing sub to prevent fluid migration along a communication line after a cementing operation, the communication line cementing sub comprising:
a flow passage; a radially protruding region; an isolated passageway circumferentially formed by the radially protruding region and extending longitudinally through the radially protruding region; a first connectors sealing the isolated passageway at a first longitudinal end of the radially protruding region; a second connector sealing the isolated passageway at a second longitudinal end of the radially protruding region; and a splice of the communication line sealingly disposed in the isolated passageway.