This blueprint represents the smallest possible footprint for a fully functional Advanced Oil Processing setup in Factorio. Designed for maximum compactness without sacrificing output. Perfect for tight base layouts or starter refineries. Supports Advanced Oil Processing (with Water & Heavy → Light cracking) No wasted tiles – every structure fits tightly Can be expanded modularly to scale up with your needs Fully pipe-integrated for easy input/output Ideal for vanilla, space-saving, and early modular oil outposts