As Petrobras’ E&P boss, Estrella made the first giant pre-salt discoveries — such as Tupi, Iara and Guara — in the Santos basin, praising Brazilian oil workers for the achievements.
It is no surprise, then, that the 74-year old geologist is furious about the changes the current Michel Temer administration is implementing, particularly the law ending the single operator rule for Petrobras in the pre-salt.
“Pre-salt
