Not even going that far.
The notion that oil is a "fossil" fuel is a pipe dream of John Rockefeller in the early 1900's to make the ubiquitous mineral known as oil seem scarce, unreplenishable, precious, and expensive. It is and was a marketing thing. 100 years ago, you could almost poke your pinky at the ground, and it'd erupt with a gusher. That's what happened to the Beverly Hillbillies!
Oil and gas are abiotic, they are not decayed dinosaurs or even plankton or whatever. "depleted" oil wells refill themselves after time.
“depleted” oil wells refill themselves after time.”
Explain how you mean that...