New field, discovered in partnership with GDF Suez, is in the central region of the North Sea and is small by historic standardsBP has reawakened hopes for the continuing potential of the North Sea by making a significant oil strike that industry experts believe could yield around 50 million barrels.The find was made in partnership with GDF Suez of France, and the UK government said the successful well underlined the benefits that could be achieved if companies worked more closely together.