The density of crude oil in place can be calculated by this equation. The equation provides a reliable basis for heavy oilclassification and reasonable development.
用该方程式可计算在地层温度下的脱气原油密度值，为稠油分类及合理开发提供了可靠的依据。
2
Use this two equations can not only reduce 60% crude oil analysis costs but also provide accurate density data for classification of crude oil.
应用这两个方程可降低60 %的原油分析成本，还为原油分类提供了准确可靠的密度数据。
3
A classification table of oil shale ash composition is given out.