To get more petroleum from crude oil for distributed systems, this is the 0.15 version of https://factorioprints.com/view/-K_lJ5MpCw1gwNCBYugG and made just a tad bit more tileable. The light oil to petroleum refineries are slightly underutilized, as if you care about that in this phase of the game. The tank up top are added mostly because I like large buffers that clearly show what they have.