
Subsea Control Systems
Dvalin North Subsea Control System EFAT Delivery
Project Overview
This project reflects the direct subsea control system delivery experience behind Processla’s testing and validation capability. Acting in an EFAT lead capacity for the Dvalin North gas field development, the work covered planning, coordination, and execution of EFAT activities across the subsea control system environment. The scope included management of topside and subsea setup, wiring, software configuration, and structured test readiness for critical control and instrumentation systems.
EFAT activities covered key control cabinets including SCG, SDPU, SCU, and EPU, together with subsea instrumentation such as ASD, SPFM, and GHLD. The work also included supervision of Vectus and PLC configuration, testing, and troubleshooting to verify interface behaviour, control response, and overall system readiness. Through disciplined preparation, strong coordination, and close technical control, the EFAT scope was delivered on time and punch-free, supporting confidence in subsea control system performance and readiness for subsequent project phases
Date
January 2022 - March 2022
Category
Subsea Control Systems
Client
Aker Solutions
Key Contributions
Key Contributions
Successfully led the Engineering Factory Acceptance Test (EFAT) activities for the Dvalin North Subsea Control System, ensuring full test readiness and structured execution.
Coordinated multidisciplinary teams to prepare, configure, and validate both topside and subsea control system environments.
Delivered a punch-free EFAT through rigorous planning, detailed verification, and effective issue management.
Validated communication, control logic, PLC functionality, and subsystem interfaces to ensure reliable system performance.
Supported project milestones by delivering all testing activities safely, on schedule, and in accordance with client quality requirements.
Project Outcome
The successful completion of the Dvalin North EFAT demonstrated Processla’s capability to manage complex subsea control system testing and validation activities. Through structured planning, technical expertise, and close collaboration with engineering disciplines, the project achieved a high level of system readiness while minimizing project risk.
The validated control system provided confidence for subsequent project phases, supporting factory acceptance, offshore integration, and final commissioning. The project reinforced Processla’s commitment to delivering reliable automation solutions for critical energy infrastructure.



