"National mandates to increase the fees and taxes charged against production and refining is happening throughout the world. Existing contract obligations are disregarded at the whim of each nation’s political establishment. This trend guarantees higher prices are a permanent fixture of the world’s oil and natural gas supply chain."
I think by now most investors have factored this fairly predictable change of attitude by the government's of oil/gas producing nations into their investment strategy. Should still be sufficient profit to satisfy investors. Can't see many oil co's pulling out. They will just have to adjust to the new parameters and a continuing high and therefore attractive oil price for the indefinite future. Looks a fairly good investment risk/reward scenario to me.