The Entire chain is known as Petroleum industry. However the industry is usually divided into three Major Components:
Finds and produces Crude Oil and Natural Gas. The upstream is sometimes known as the Exploration and Production (E & P).
Processes, Stores, Markets and Transports commodities such as Crude Oil, Natural Gas Liquids ( NGLs, mainly ethane, propane and butane) and Sulphur. The mid stream provides vital link between the Far – Flung Petroleum producing areas and the population centres, where most consumers are located.
Includes Oil refineries, Petro Chemical plants, Petroleum Products distributors, retail Outlets and natural Gas distribution Companies.