Excellent: WTI Is considered a "light sweet" crude oil, and that is simpler to refine, when Brent is usually a mixture of crude oils, including each "light sweet" and "hefty bitter" grades. but no, the biggest variation and the a single that could get you humiliated (or worse) is the https://maps.app.goo.gl/VhAGTRCDGTuVhHJa8