The Secret of the Seven Sisters is a four-part series examining the rise of a powerful cartel of seven companies that control the world’s oil supply. The ‘seven sisters’ comprises Anglo-Persian Oil Company (now BP); Gulf Oil, Standard Oil of California (SoCal) and Texaco (now Chevron); Royal Dutch Shell; Standard Oil of New Jersey (Esso) and Standard Oil Company of New York (Socony), (now ExxonMobil). Prior to the oil crisis of 1973, the Seven Sisters controlled around 85% of the world’s petroleum reserves, but in recent decades the dominance of the companies and their successors has declined. This series is about the power of oil, the conspiracy of business, and the control that oil provides the few…