From A Wiki in the Desert
Petroleum is produced by operating a Deep Well. When a Deep Well is being cranked it produces 6 petroleum per minute.
- 50000 needed for Chemistry Recipe - Gear Oil research.
- 40 needed to fire a Petroleum-based Clinker Vat.
- Used to treat boards in a Wood Treatment Tank.
- Fuel for Steam Shovels
Cement, Laboratory, Steam Mechanics, Steam Rock Saw, Wood Treatment