ExclusiveGabon oil spill: Perenco boss believes 300,000 barrel leak linked to tank ageChief executive Benoit de la Fouchardiere tells Upstream that spill was not "an operational issue"Oil-base: a jack up rig off the coast of Port Gentil, Gabon, about 20 kilometres from Perenco's Cap Lopez terminal where 300,000 barrels of oil leaked from a Perenco-operated storage tankPhoto: AFP/SCANPIXIain EsauLondon