Quote from xenix:
I'm not a peaker and I don't think my ax needs grinding today, so maybe it's worth looking at what variables are involved without trying to quantify the impact each may or may not have - bearing in mind that for everyone we can think of there are probably a few more we haven't.
1. drilling technology. Are drilling depths going up in a linear or exponential manner? How much more efficient is it likely to become? Are we looking at oily guys humping pipe for the forseeable future or might there be other tech that would be more automated.
2. extraction. Is the tech advancing such that break-even on things like tars sands is likely to decline or stay the same? Even in "dry" wells, there's still some oil left in the ground. Will it continue to get cheaper to get the last drop?
3. exploration. How well is the geology understood. We don't have wild catters any more, but you still have to drill and sometimes they're still wrong. Is it possible oil could be found in places other than those where exploration has been focused.
4. How quickly are other techs likely to advance. Is a 600mile full electric car 5 years away or 30 years away. If we got room temp superconductors tomorrow, what impact would that have? It would make wind more economical and efficient - same for power transmission.
I could go on, but you get the idea. This is the one area where no one ever expects a Black Swan - by which I mean a brilliant white swan that outshines the sun.
No one expected the Spanish Inquisition either.