Navantia completes first subsea delivery from acquired Arnish yard
Navantia UK has supplied subsea equipment to McDermott International for a major Trinidad gas development, validating the output capacity of a Scottish facility it acquired just months ago.
Navantia UK has delivered subsea structures to McDermott International for installation at a major gas field located approximately 100 kilometers off the east coast of Trinidad and Tobago. The contract, announced in early 2025, covers a pipeline end termination (PLET) structure and two adjustable pipe supports (APS). These components constitute a vital segment of the broader subsea infrastructure McDermott is constructing for the development.
According to the firm, the hardware functions as a unified system on the seabed. “The structures work together on the seabed: the PLET provides the termination and connection point at the end of the subsea pipeline, allowing it to tie in to the wider field infrastructure, while the APS units support the pipeline as it approaches the PLET, with adjustable height to compensate for seabed variations and keep everything precisely aligned for connection,” Navantia UK reported.
Production from this field will be routed through a 32-inch pipeline to shore. Once landed, the gas will undergo processing before being supplied to the domestic market. The development ranks among the largest gas projects undertaken in Trinidad and Tobago in recent years.
The fabrication, assembly, and system integration testing for all three structures took place at Navantia UK’s Arnish facility in Scotland. The equipment was loaded out from the adjacent Stornoway Port for its transatlantic journey.
This delivery carries strategic weight for Navantia UK. The company secured the Arnish site through its January 2025 acquisition of British shipbuilder Harland & Wolff and its associated operations. Completing and shipping this complex hardware so soon after the deal closed demonstrates the immediate operational utility of the newly integrated asset.
For Navantia UK, the Trinidad project demonstrates the potential of the Arnish facility to serve international energy markets. By successfully executing this subsea work for a major gas development, the company transitions its newly acquired Scottish asset into an active contributor to offshore infrastructure projects abroad.
