自从原油价格从2004年开始上涨之后，俄罗斯，委内瑞拉，玻利维亚，和厄瓜多尔等国家都已经把他们国家内国外公司拥有的原油资产进行了国有化。 这是从1970年以来第一次大规模的国有化浪潮。

Since oil prices started rising in 2004, Russia, Venezuela, Bolivia and Ecuador have nationalized foreign-owned oil assets, the first big wave of nationalization since the 1970s.

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