It's never too early to start learning about how to analyze for oil, gold, or metals, and one of the best ways to learn is to go through the history of people who have done it for centuries. In fact, a great way to do it is to collect a series of historical documents and bring them together. This is a great way to start learning about what works and what doesn't in the industry.
While there are lots of books on economics, some people will be starting out with a lot of information that they aren't sure where to start. If you want to find a good source for an analysis for oil, then there are a few places that you can check out.