Italy’s Eni has made a significant deepwater oil discovery at its Cabaca South East-1 exploration well offshore Angola, West Africa.

Initial evaluations indicate the discovery holds oil, according to the company.

Eni said the discovery is substantially larger than expected, confirming the potential for a second productive hub in the northeast area of the block.

The oil company’s Cabaca South East-1 well is located 470m below sea level.

Eni has a 35% operating interest in block 15 / 06 while the other partners are Sonangol Pesquisa e Produção (15%), SSI Fifteen (20%), Total (15%), Falcon Oil Holding Angola (5%), Petrobras International Braspetro (5%) and Statoil Angola Block 15 / 06 Award (5%).