After getting a licence in 2006 for the exploration of an offshore area in the north of Mozambique, known as Area 4,[75][76][77] Eni announced several major natural gas discoveries between 2011 and 2012 such as Mamba South,[78][79][80][81][82][83] Mamba North,[84][85] Mamba North East,[86][87][88][89] Coral 1.[90][91][92][93]