Pump jacks are as common — albeit spread out — in southeastern Illinois as skyscrapers are to Chicago.
Still, millions of Illinoisans have no idea there are oil wells in the state. And many of those who are aware of Illinois’ storied oil production history may not know key facts about the present-day industry that distinguish it from the “Big Oil” stereotype that is so prevalent today.
Over the decades, Illinois has risen to the status of being the country’s third-largest oil producing state on two occasions (1907-1912 and 1940). The state’s production even outpaced Iran and Iraq’s combined production in 1940, and Illinois oil production literally helped fuel the Allied Forces defeat of the Axis Powers in World War II.




