Brazil’s crude oil production fell slightly in October on reduced output from recently discovered offshore fields, the country’s National Petroleum Agency, or ANP, said Tuesday. Brazil produced an average 2.079 million barrels a day in October, down 0.7% from September but up 3.4% from October 2012, the ANP said. October’s output was undercut by operational troubles at a floating platform tapping oil deposits in Brazil’s pre-salt oil frontier, where billions of barrels of crude oil were discovered trapped under a thick layer of salt miles below the seabed, the ANP said. Pre-salt production fell to 308,400 barrels a day in October, down 6.5% from September, the ANP said. State-run energy giant Petroleo Brasileiro (PBR, PETR4.BR), or Petrobras, has boosted production in recent months as several new platforms were installed at offshore oil fields. The company has also completed renovations of several aging platforms in the Campos Basin, […]