(EnergyAsia, April 7) — Dubai upstream company Dragon Oil Plc has reported strong financial and operating results last year.   After-tax profit jumped 73% to US$49.7 million from 2003 on revenue of US$97.1 million (18% up from 2003), earned from sales of 2.8 million (2003: 3.2 million) of its entitlement barrels.   The average gross…