Have a look....https://www.opisnet.com/opis-refinery-turnaround-report.pdf
https://www.eia.gov/dnav/pet/hist/LeafHandler.ashx?n=PET&s=WCRSTUS1&f=W
https://www.investing.com/commodities/crude-oil
A little research/education most often produces positive results........
Good Luck to all oilers.....