(EnergyAsia, August 21 2013, Wednesday) — Petroleo Brasileiro or Petrobras said it has agreed to sell US$2.1 billion worth of oil and petrochemical assets, the bulk to China’s Sinochem Group, to lighten up its debt burden to fund a massive investment programme through 2017. Sinochem Group will pay US$1.54 billion for the Brazilian state firm’s…