HONG KONG (AFX-ASIA) – China Oilfield Services has priced its global share offering at a lower-than-expected range of HK$1.40-1.70 per share, the South China Morning Post quoted sources close to the deal as saying. (US$1=HK$7.87). It quoted fund managers who attended the COSL roadshow as saying the pricing is aimed at improving the offer’s chances…