(EnergyAsia, January 27 2012, Friday) — China National Petroleum Corp (CNPC) said it, Qatar Petroleum and Royal Dutch Shell have agreed to advance their plans to jointly develop a 80-billion-yuan integrated oil refinery-petrochemical complex in eastern China. (US$1=6.3 yuan). The complex which includes a 400,000-b/d refinery and a 1.2-million-tonne/year ethylene plant will be built in…