 The acquisition transformed Lundin Petroleum from a pure exploration company into a larger E&P player.In early 2003, Lundin Petroleum entered Norway for the first time by acquiring 75 percent of the shareholding in Norwegian OER oil.In 2004, Lundin Petroleum acquired a portfolio of producing assets in the UK from DNO AS, doubling Lundin Petroleum's reserves to of oil equivalent and increased production to per day of oil equivalent.