Projects - Forvie Subsea Control System

Tierney Strachan provides topside control equipment for Total’s Forvie subsea development

Forvie/Jura SCU Cabinet
Forvie/Jura SCU Cabinet

Through contracts with Wood Group Engineering and Dril-Quip, Tierney Strachan has provided the topside controls equipment for the Forvie field development off the Dunbar platform. The scope of work included:

  • Provision of topside controls for Alwyn platform equipment including new slug catcher, interfaces to metering and Over-Pressure Protection System equipment (OPPS);
  • Provision of new topside controls panel for Dunbar chemical injection and Hydraulic Power Unit (HPU) using Emerson DeltaV equipment;
  • Provision of Subsea Control Unit (SCU) to interface to the Subsea Control Modules (SCMs) using Emerson DeltaV Equipment.
  • Provision of the Subsea Power and Communications Unit (SPCU) housing the stepup transformers for subsea power and subsea communications modems for signal on power.
  • Third Party Unit housing four industrial PCs with a communications interface to subsea for Corrosion Monitoring, Subsea Multi-Phase Flow Metering, Sand Monitoring and Down-Hole Gauges.
Forvie/Jura SPCU CabinetForvie/Jura TPU Cabinet
Forvie/Jura SPCU (left) and TPU (right) Cabinets