Telegraph.co.uk | Oil exploration firm in 'largest undeveloped discovery' on the UK Continental Shelf Telegraph.co.uk An oil exploration firm has found what is believed to be the largest undeveloped discovery on the UK Continental Shelf. Hurricane Energy said there could be one billion barrels of oil in the “Halifax” well in the Greater Lancaster Area, (GLA) 60 miles ... An oil firm said it has made the 'largest undeveloped discovery' of oil in UK waters |