Indeed, in fields where, two decades ago, roughly one-third of the oil in place ultimately could be extracted, almost half appears to be recoverable today. I exclude from these calculations the reported vast reserves of so-called unconventional oils such as Canadian tar sands and Venezuelan heavy oil.
With a population of some 5.5 million, there is a whole lot that Finland and Singapore have in common. Never mind the fact that in Singapore’s case the whole population lives in an area that is equal to the Helsinki metropolitan region!