This presentation provides an overview of the structure of the petroleum sector, including ownership structures and the number of petrol filling stations (PFS) in the UK. It also discusses the current position of the UK oil and gas industry, including strengths, weaknesses, opportunities, and threats. Additionally, it covers key changes in the UK petroleum retail market, such as the impact of supermarkets and the fragmentation of the fuel supply chain. The presentation is relevant to the subject of oil and gas industry and may be useful for students studying related courses in college or university.