See, here's one of the basic problems...people thinking oil comes from dinosaurs (or land plants) as a result of some crappy children's cartoons, and the mental image called up by the term "fossil fuel" (and people thinking ONLY of dinosaurs when they think of fossils) and now more recently the worthless blatherings in the book of that incompetent moron, Jerome Corsi.
Petroleum was formed from dead microscopic marine and lacustrine diatoms, algae, and bacteria.
So, these are found in the Jovian system?