I'd suggest you read this book if you are interested in reading further about oil. It concentrates more on the past and the connection between the middle east and the oil companies and how it lead to the instability of that region.

http://www.amazon.com/Its-Crude-Dude-Greed-American-ebook/dp/B003E4CXQ8/ref=sr_1_1?ie=UTF8&qid=1404342834&sr=8-1&keywords=it%27s+the+crude+dude