(EnergyAsia, January 30) — Poor refining margins cause net profits at Singapore Petroleum Company to fall 29.5% to S$284.6 million for 2006 while revenues climbed 14.7% to a record S$8.57 billion. (US$1.54). The company said average refining margin was down to US$3 a barrel in the second half compared to more than US$6 a barrel…