Is there really an ocean of oil off Brazil?

JUST how much oil is there off the coast of Brazil? Until recently, Brazil’s oil reserves were thought to be relatively modest: about 12 billion barrels at the beginning of 2007, according to BP, or about 1% of the world’s total. But last year, Petrobras, Brazil’s partly state-owned oil firm, announced the world’s biggest oil discovery since 2000: the Tupi field, which it hopes will produce between 5 billion and 8 billion barrels. Now the head of Brazil’s National Petroleum Agency (ANP) says another nearby discovery might hold as much as 33 billion barrels, which would make it the third-largest field ever found. ... Read full article