Field DevelopmentIrish Sea offshore project secures contractors as it moves toward sanctionThe 1993 Marram discovery billed as important for UK energy securityEconomic importance: Northern Ireland's First Minister Michelle O'Neill (left) and Deputy First Minister Emma Little-Pengelly (middle) with Britain's Prime Minister Rishi Sunak in BelfastPhoto: Peter Morrison/AP/SCANPIXRussell SearanckeNorway CorrespondentOslo