This mod is pretty simple. It allows you to barrel the oil fractions, plus lubricant. Might do H2SO4(Aq), but putting that in a steel barrel doesn't make too much sense. Might add a plastic lined barrel. Mod is almost ready, I just need to get through my classes before I can work on it. Dunno if you ...

Thanks, Natha! Got it working.

Which file do I add the table.insert to? I am making a simple mod to allow the barreling of all oil fractions. My guess is this goes into chemistry.lua inside my mod's prototypes directory.

something like:
data:extend({
{
table.insert(data.raw["technology"]["fluid-handling"]["effects"], {type ...