If this is true, it just kinda changes everything...
http://worldnetdaily.com/news/article.asp?ARTICLE_ID=59991
"A study published in Science Magazine today presents new evidence supporting the abiotic theory for the origin of oil, which asserts oil is a natural product the Earth generates constantly rather than a "fossil fuel" derived from decaying ancient forests and dead dinosaurs."
Paper: http://www.sciencemag.org/cgi/content/abstract/319/5863/604