Jet Fuel is mostly Kerosene. As you can see from the capabilities of the units at the Anacortes Shell refinery, that is a smaller output than some of the other products.
http://abarrelfull.wikidot.com/shell-anacortes-refinery
•Capacity: 7.25 million tons/annum & 145,000 bbl/day
Refining Units
•Atmospheric Distillation
•Vacuum Distillation - 65,500
•Delayed Coker - 25,700
•Fluidised Catalytic Cracking - 58,000
•Catalytic Reformer - 32,700
•Hydrotreating
- Naphtha - 32,900
- Gasoline - 37,400
- Kerosene - 16,000
- Diesel - 44,200
•Isomerisation Unit
•Sulphur Recovery Unit (SRU)
http://www.shellpsr.com/go/doc/3/5972/Oil-Facts
At Shell Puget Sound Refinery, 42-gallon barrel of crude oil typically produces:
gasoline, 20 gallons
diesel fuel, 10 gallons
jet fuel, 4 gallons
liquefied petroleum gas, 2 gallons
bunker fuel oil, 1 gallon
other products (petroleum coke, asphalt, road oil, lubricants, waxes, petrochemicals), 7 gallons
Thanks for the help. I was just repeating what I remered being told without doing any research myself.