The Oslo-listed pair say Vaalco Energy has extendedthe FPSO Petroleo Nautipa for five years.
Its contract will now stretch into 2020, with anadditional two years also available as an option.
They explain the total revenue from the new dealwill reach $300m if the options are taken up.
The initial charter, which runs until 2015, wasworth $100m.
The partners will need to invest around $30m toextend the life of the vessel to fill its new pact, separate statements say.
