ExplorationEni makes 200m barrel oil discovery offshore MexicoItalian major hits oil with Sayulita-1 probe, a find that could underpin a "potential" projectExploration focus: Eni - headed by chef executive Claudio Descalzi - has made a seventh oil discovery offshore Mexico with its Sayulita-1 probePhoto: AFP/SCANPIXIain EsauLondon