Technip France

Technip Offshore UK Limited

Michael Antoine Joseph Caroline Bell

Sylvain Denniel

David Brocklebank

A seal assembly for sealing an annular space between an inner and an outer pipe in a double-walled subsea pipeline which seal assembly comprises an annular member () and moveable blocking means () and: (a) under normal operating conditions is in a non-sealing position which allows the passage of a gas through said seal assembly; and (b) is actuatable from a non-sealing position to a sealing position in response to the entry of liquid into said annular space.

Seal assembly

A seal assembly for dividing an annular space defined between an inner and an outer pipe in a double-walled pipeline. The seal assembly comprises an annular member fitted within the annular space and at least one longitudinal conveyor passing through the annular member, wherein the longitudinal conveyor communicates with the annular space on either side of the seal assembly. The longitudinal conveyor may comprise for example an electrical conductor or an optical fiber.

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Neuilly-sur-Seine, France

Michael Antoine Joseph Caroline Bell