HONG KONG (AFX-ASIA) – China Oilfield Services Ltd’s (2883.HK) (COSL) net profit for the full year to Dec 2003 rose 31.5% year-on-year to 465.9 million yuan on increased turnover from drilling and exploration activities and higher oil prices. (US$1=8.27 yuan). Operating profit for the year rose 13.8% to 549.8 million yuan, while turnover grew 12.3%…