A Petrobras group has found light oil in presalt reservoirs in the Carioca field assessment area in the deepwater Santos basin offshore Brazil.
The well, designated 3-BRSA-1023 (3-SPS-85) or Carioca Sela, sampled 27° gravity oil at an approximate depth of 5,250 m.
The well is in 2,149 m of water 4.5 km from the Carioca field discovery well and 270 km off Sao Paolo state. Petrobras is operator with 45% interest, BG Group has 30%, and Repsol Sinopec Brasil has 25%.