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'''Oil processing''' opens Epoch 3. You pump Crude Oil from Oil Wells, split it into Heavy Oil, Light Oil and Petroleum Gas, and turn those into plastic, sulfur, acid, batteries and fuel. Everything starts with the research '''Oil Processing'''.

== Oil Wells ==
'''Oil Wells''' are single blocks in the world. Because a single block is hard to spot, the world map marks each one with a turquoise dot. You build an Oil Pumpjack on top of a well.

== Buildings ==
{| class="wikitable"
! Icon !! Building !! Size !! Energy !! Speed !! Module slots !! Recipe
|-
| [[File:BlockFactory_Oil_Pumpjack.png|32px]] || Oil Pumpjack || 3 × 3 || 90 kW electric || 10 Crude Oil/s when new || – || 5 Steel Plate + 10 Iron Gear + 5 Electronic Circuit + 10 Pipe T2
|-
| [[File:BlockFactory_Oil_Processor.png|32px]] || Oil Processor || 5 × 5 || 420 kW electric || ×1 || 3 || 15 Steel Plate + 10 Iron Gear + 10 Electronic Circuit + 10 Pipe T2 + 10 Stone Brick
|-
| [[File:BlockFactory_Chemical_Plant.png|32px]] || Chemical Plant || 4 × 3 || 210 kW electric || ×1 || 3 || 5 Steel Plate + 5 Iron Gear + 5 Electronic Circuit + 5 Pipe T2
|}

All three are Epoch 3 buildings unlocked by '''Oil Processing'''.

* '''Oil Pumpjack:''' place it so that one of its blocks stands over an Oil Well. It needs power: with at least half of its 90 kW it pumps at full rate, below that it stops. The outlet is on the right side, toward the front. The more a pumpjack has pumped, the less it delivers: after 2 million units it is down to 60 %, but it never drops below 20 % and never runs dry.
* '''Oil Processor:''' Crude Oil enters on the left side toward the back, Water on the left side toward the front. Heavy Oil, Light Oil and Petroleum Gas each leave through their own connection on the front side.
* '''Chemical Plant:''' two fluid inputs at the back, one fluid output on the left side, plus item slots like a Fabricator. '''Use''' opens the window where you pick the recipe.

Crude Oil, Heavy Oil, Light Oil, Petroleum Gas and Lubricant need at least Pipe T2; Sulfuric Acid needs Reinforced Pipes. See [[BlockFactory:Fluids|Fluids]]. Oil Processor and Chemical Plant accept [[BlockFactory:Rune Modules|Rune Modules]].

== Byproducts must flow away ==
A machine stops as soon as '''any''' of its output tanks is full, and shows the '''Tank Full''' icon. With Advanced Oil Processing this matters: if you only use Petroleum Gas, the Heavy Oil and Light Oil back up and the whole refinery stops. Give every product a way out:
* crack Heavy Oil into Light Oil and Light Oil into Petroleum Gas,
* turn Heavy Oil into Lubricant or Asphalt, and Light Oil into Solid Fuel,
* or buffer the surplus in Storage Tanks.

== Oil Processor recipes ==
Times are at speed 1.

{| class="wikitable"
! Recipe !! Input !! Output !! Time
|-
| Basic Oil Processing || 100 Crude Oil || 45 Petroleum Gas || 5 s
|-
| Advanced Oil Processing || 100 Crude Oil + 50 Water || 25 Heavy Oil + 45 Light Oil + 55 Petroleum Gas || 5 s
|}

Both recipes can be run as soon as you have the Oil Processor. The research '''Advanced Oil Processing''' is still worth it: it unlocks Solid Fuel and leads to Asphalt, Flame Towers and the Electric Engine.

== Chemical Plant recipes ==
{| class="wikitable"
! Product !! Research !! Input !! Output !! Time
|-
| Heavy Oil cracking || – || 40 Heavy Oil + 30 Water || 30 Light Oil || 2 s
|-
| Light Oil cracking || – || 30 Light Oil + 30 Water || 20 Petroleum Gas || 2 s
|-
| [[File:BlockFactory_Fluid_Lubricant.png|24px]] Lubricant || Tallow Rendering || 10 Heavy Oil || 10 Lubricant || 1 s
|-
| [[File:BlockFactory_Solid_Fuel.png|24px]] Solid Fuel || Advanced Oil Processing || 10 Light Oil || 1 Solid Fuel || 2 s
|-
| [[File:BlockFactory_Plastic_Bar.png|24px]] Plastic Bar || Plastics || 20 Petroleum Gas + 1 Coal || 2 Plastic Bar || 1 s
|-
| [[File:BlockFactory_Sulfur.png|24px]] Sulfur || Sulfur Processing || 30 Petroleum Gas + 30 Water || 2 Sulfur || 1 s
|-
| [[File:BlockFactory_Fluid_Sulfuric_Acid.png|24px]] Sulfuric Acid || – (needs Sulfur) || 5 Sulfur + 1 Iron Plate + 100 Water || 50 Sulfuric Acid || 1 s
|-
| [[File:BlockFactory_Battery.png|24px]] Battery || Batteries || 20 Sulfuric Acid + 1 Iron Plate + 1 Copper Plate || 1 Battery || 4 s
|-
| Asphalt || Asphalt || 10 Heavy Oil + 2 Stone || 2 Asphalt || 2 s
|-
| Silicon || Silicon Processing || 3 Sand + 1 Coal || 1 Silicon || 2 s
|-
| Explosives || Explosives || 1 Sulfur + 1 Coal + 10 Water || 2 Explosives || 4 s
|-
| Fuel Canister || Flamethrower || 10 Light Oil + 1 Iron Plate || 5 Fuel Canister || 2 s
|-
| Rune Slate || Rune Etching || 1 Stone Brick + 2 Gold Wire + 5 Sulfuric Acid || 1 Rune Slate || 3 s
|}

"–" means the recipe has no research of its own: it is available once you have the Chemical Plant. Lubricant also comes without oil: a Fabricator T2 or T3 makes 10 Lubricant from 5 Tallow and 10 Water in 2 s (research Tallow Rendering, Epoch 2).

== What the products are for ==
* '''Solid Fuel''': the best fuel, 12 MJ per piece (Coal has 4 MJ).
* '''Plastic Bar''': Advanced Circuit (2 Electronic Circuit + 2 Plastic Bar + 4 Copper Cable in a Fabricator, research Advanced Electronics), Low Density Frame, Reinforced Pipe T1, Belt T3.
* '''Sulfur''': Sulfuric Acid and Explosives.
* '''Sulfuric Acid''': Batteries, Rune Slate, Processing Unit, and mining Uranium Ore (see [[BlockFactory:Nuclear Power|Nuclear Power]]).
* '''Battery''': Storage Cell (see [[BlockFactory:Power|Power]]) and the Battery Module.
* '''Asphalt''': Asphalt Floor.
* '''Lubricant''': Electric Engine.
* '''Silicon''': Solar Panel and Processing Unit.

Full lists: [[BlockFactory:Recipes|Recipes]].

== Moving oil by train ==
To bring oil from remote wells to your refinery, use a Fluid Wagon. See [[BlockFactory:Railways|Railways]].

== See also ==
* [[BlockFactory:Fluids|Fluids]]
* [[BlockFactory:Fabricators|Fabricators]]
* [[BlockFactory:Rune Modules|Rune Modules]]
* [[BlockFactory:Research Tree|Research Tree]]

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