ExclusiveBidders chase major contracts on $6 billion East Med gas pipelineGreco-Italian joint venture of Depa and Edison launch tender processes covering onshore work on 2000-kilometre lineGas-rich: the East Mediterranean region has huge gas resources, including Chevron’s Leviathan field offshore Israel, whose production platform is shown herePhoto: REUTERS/SCANPIXIain EsauLondon