Based on the component analysis, a new calculation method for the volumefactor of formation crude oil was proposed by cubic equation of state.
在组分分析的基础上，采用立方型状态方程建立了计算原油体积系数的新方法。
2
Well production component was applied to simulate and calculate the properties of black oil such as bubble-point pressure, gas-oil ratio, oil viscosity, volumefactor, and so on.
利用井流物组成模拟计算黑油油藏流体的泡点压力、气油比、地层原油密度和体积系数等参数。
3
There are many methods for analysis of the water cutting intensity using field data. The dynamic pressure drop and the water cutting volumefactor are usually used in the analysis.