Petroleum industry upstream midstream downstream
18 Feb 2010 Downstream sector petroleum refinery. The terms upstream, midstream and downstream are often used to refer to the major sectors or The oil and gas industries are usually divided into three major sectors: Upstream, Midstream and Downstream (Figure 1). - Upstream sector is known as “E&P”, You will become familiar with the various phases of the Oil and Gas Value Chain - upstream, midstream and downstream - the key industry players, the basics of