Oil refining incorporating real-world processes, products, and recipes.
Mods introducing new content into the game.
Things related to oil and other fluids.
When I turned on the Dragon Industries - Nauvis Division mod, your mod oil treatment had a lot of useless products,For example: isopropyl alcohol, acetone, acetic acid
This is the mod address: https://mods.factorio.com/mod/DragonIndustries
Since those are their items, they would better know what balance they want regarding them.