This is part of what the problem was - I was taking this into consideration (any hydrocarbon polymer is feed stock). It also was never just oil that...
There is that, but I live in a state where the police are allowed to write whatever the hell they want on a police report regardless of its veracity,...
You also suggested that you couldn't see how it might have accumulated bioticaly, lending credence to abiotic oil. But there's something you need to...