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本文根据重质原油的现场资料,建立起一个估测地面标准状态下油气比的经验公式。在泡点压力或高子泡点压力下所得到的溶解油气比,可以视为所估测的地面标准状态下油气比与实测的分离器中油气比二者之和。该公式是由301个重质油样品经过二级分离后所得到的数据推导出来的。
Based on the field data of heavy crude oil, this paper establishes an empirical formula to estimate the oil-gas ratio under ground standard conditions. The resulting dissolved gas-oil ratio at either bubble point pressure or high sub-bubble point pressure can be taken as the sum of the estimated gas-oil ratio in ground-level conditions and the measured gas-oil ratio in the separator. The formula is derived from the data obtained after secondary separation of 301 heavy oil samples.