Decommissioning environmental survey
Repeatable environmental data before, during, and after offshore works
Operational context
Offshore decommissioning creates a need for repeatable environmental data across changing works conditions and post-works assurance periods.
Current limitation
Short vessel campaigns can miss temporal variation, increase mobilisation cost, and reduce the continuity of information available for decision-making.
Andrasta Marine approach
Persistent autonomous survey using hydride-replenished hydrogen-electric vessels, modular environmental payloads, and repeatable mission logic.
Potential outputs
Baseline survey data, repeat transects, environmental observations, and decision-support evidence packages for operators and service partners.