The Oslo-based group has worked with both operators and suppliers to establish a system for certification that covers several product groups such as subsea trees, wellheads, tie-in systems, control systems and manifolds, as well as related work processes and documentation standards.

Introducing more standardisation is seen as essential to bring down costs, which have surged in recent years, Bjorn Sogaard, segment director for subsea and floaters at DNV GL, said at the ONS conference in Stavanger.

However,