Empty crude oil barrel

Empty crude oil barrel is the empty container item used for transporting and storing fluids in the game. It can be crafted by hand. Empty crude oil barrel is also returned whenever a filled Barrel is emptied in a processing machine; emptying a filled Barrel yields the contained fluid plus an Empty crude oil barrel.

Empty crude oil barrel is produced and handled as part of the Barrel filling/emptying workflow. Filled Barrels of various fluids can be emptied to recover the fluid and receive an Empty crude oil barrel as a byproduct. The fluids listed in source documentation that can be emptied into their fluid form while returning an Empty crude oil barrel include Crude oil, Heavy oil, Light oil, Lubricant, Petroleum gas, Sulfuric acid, Water, Fluoroketone (Hot), and Fluoroketone (Cold).

Filling and emptying operations are performed inside processing machines rather than by direct manual use in most cases. Filling a Barrel consumes an Empty crude oil barrel and produces the corresponding filled Barrel; the filling process must be carried out in an appropriate processing building. Emptying a filled Barrel is likewise done in a processing building and produces the fluid plus an Empty crude oil barrel that can be reused or stacked for transport.

• Crafting: Empty crude oil barrel can be hand-crafted.
• Emptying: When a filled Barrel of Crude oil, Heavy oil, Light oil, Lubricant, Petroleum gas, Sulfuric acid, Water, Fluoroketone (Hot), or Fluoroketone (Cold) is emptied in a processing machine, the fluid is produced and an Empty crude oil barrel is returned.
• Filling: To produce a filled Barrel you must process the fluid together with an Empty crude oil barrel in a processing building; the Empty crude oil barrel is consumed in the filling operation.
• Use cases: Barrels are useful for transporting fluids where laying pipes is impractical (for example, remote resource patches). Empty crude oil barrels are a reusable intermediate in that transport chain: they are consumed to create filled Barrels and are recovered when those Barrels are emptied.