Petrobras confirmed the commercial potential of three fields in the Iara area of the Santos basin, 250 km offshore Rio de Janeiro, Brazil. The area lies in 2270 m of water and contains good quality oil of 24 °API to 30 °API gravity. The fields have been named Berbigão, Sururu, and Atapú West and will be subject to unitization agreements. Petrobras (65%) operates BM-S-11 with partners BG Group (25%) and Petrogal (10%).