# Kerogen processing (technology)

internal name `kerogen` · tier 0 (Automation science pack, [tier 0](https://factorio.kalzumeus.com/tier/0.md))
HTML page: https://factorio.kalzumeus.com/tech/kerogen/

## Cost

60 units of (1 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 30 s each.

## Requires (1)

- [Steel processing](https://factorio.kalzumeus.com/tech/steel-processing.md)

## Leads to (1)

- [Shale oil development](https://factorio.kalzumeus.com/tech/scrude.md)

## Unlocks (2 recipes)

### Shale oil (`kerogen-extraction`)

- 5 s · tier 0
- Ingredients: 100 × [Steam](https://factorio.kalzumeus.com/fluid/steam.md) (≥250°C), 25 × [Kerogen](https://factorio.kalzumeus.com/item/kerogen.md)
- Results: 250 × [Shale oil](https://factorio.kalzumeus.com/fluid/scrude.md)
- Made in: Retorter
- Unlocked by: [Kerogen processing](https://factorio.kalzumeus.com/tech/kerogen.md)

### Retorter (`retorter`)

- 2 s · tier 0
- Ingredients: 20 × [Stone brick](https://factorio.kalzumeus.com/item/stone-brick.md), 20 × [Pipe](https://factorio.kalzumeus.com/item/pipe.md), 30 × [Steel plate](https://factorio.kalzumeus.com/item/steel-plate.md), 10 × [Mechanical inserter](https://factorio.kalzumeus.com/item/burner-inserter.md)
- Results: 1 × [Retorter](https://factorio.kalzumeus.com/item/retorter.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Unlocked by: [Kerogen processing](https://factorio.kalzumeus.com/tech/kerogen.md)