(EnergyAsia, November 16 2011, Wednesday) — China National Petroleum Corporation (CNPC) said it has imported a total of 16.88 billion cubic metres (bcm) of natural gas from three Central Asian countries through a 2,000-km pipeline since its start-up at the end of 2009. The west-to-east pipeline draws natural gas from Turkmenistan, Uzbekistan and Kazakhstan before…