These are only the prices of the "futures contracts". i.e. oil that hasn't been produced yet, as far as I understand. Actual physical oil still has a price > 0.

These are only the prices of the "futures contracts". i.e. oil that hasn't been produced yet, as far as I understand. Actual physical oil still has a price > 0. (Spot price) Here is a page that includes some spot prices https://oilprice.com/oil-price-charts https://oilprice.com/oil-price-charts