在被证实的12亿桶天然石油储量(相比尼日利亚360亿桶)，加纳的横财可能只会维持一代人的生活。

With proven reserves of just 1.2 billion barrels of crude (against Nigeria's 36 billion), Ghana's windfall may last only a generation.

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经过开发井资料进一步证实，该方法计算的储量具有较高的精度。

The data of development proved that this method can be used to calculate reserve with high accuracy.

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目前，石油储量只有证实已开发储量的分类定义在各国和各上市油公司之间具有较好的一致性。

So far there is only a consistency in the definitions of proved developed reserves for oil and gas over the worldwide government entities and petroleum industry.

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