Neptune Energy last week made a hydrocarbon discovery at its Dugong well in the Norwegian sector of the North Sea.The company at the time said the results were preliminary and that a decision might be made to drill a side-track to further define the extent of the discovery.In a statement on Friday, Petrolia SE, Neptune Energy's partner in the project, said a decision had been made 'to drill a side-track well to further evaluate the size of the discovery…