With current pissing contest that is the US versus OPEC I thought it would be interesting to see at what point everyone begins to feel pain. Knowing everyones pain point is always an interesting thing. Intriguingly finding this data took a little bit of digging through various sources, there is also a little bit of disagreement as to what the various break even points are for various projects. This is not surprising given the often confidential nature of commercial endevours as such these figures represent best guess.
Sucks to be Libya.