So far there is only a consistency in the definitions of proveddevelopedreserves for oil and gas over the worldwide government entities and petroleum industry.
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。
2
Recent years, we have found and developed many unconsolidated sand gas reservoirs. The provedreserves and the produced reserves are very considerable.