ExclusiveCritical well: Eni spuds appraisal probe on big Ivory Coast discoveryDrillship Saipem 12,000 is on location at the deep-water Baleine fieldCritical operation: the drillship Saipem 12,000 has spudded the first appraisal well on Eni’s Baleine discovery in the Ivory CoastPhoto: SAIPEMIain EsauLondon