Upstream understands that the installation operation was aborted as a result of harsh maritime conditions, but sources said the episode is forcing the contractor to carry out additional engineering on the upper section of the pile structure that is used to moor the submerged buoys.
Losses have been piling up since 2011, when the contractor collected a $1 billion contract from Petrobras to install an innovative riser system using four 1900-tonnne submerged riser buoys and 27 steel catenary risers of 3.9
