Energy & Power Trade & MoneyMalaysia’s PC Carigali acquires stake in CNOOC block in Mexico’s Perdido regionarcmediaglobalFebruary 7, 2019 by arcmediaglobalFebruary 7, 2019031 Mexico’s National Hydrocarbon Commission (CNH) on Thursday approved the acquisition of a 30% stake in CNOOC’s Block 4 in the potentially rich Perdido Fold Belt