It is defined by PVT sampling analysis with high cost and related experience formulae with low accuracy at present, so it is difficult to define the saturation pressure.
目前主要通过PVT取样分析测定和相关经验公式来确定它，前者费用高，后者精度差，给饱和压力的确定带来困难。
From laboratory evidences, the high oil saturation bank was formed in front of burning zone, and mainly producing pressure drop concentrated on the high saturated oil region during fire flooding.
实验证据显示，在燃烧带前缘存在高含油饱和度带，在该区域压降较其他区域集中。
The zone has the obvious features of low pressure, high saturation of condensate oil, high interfacial tension and high flowing velocity.
该区域明显地呈低压、高凝析油饱和度、高界面张力和高流速的特征；
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