A compositionalmodel usually performs a lot of phase equilibrium calculations.
在油气藏的组分模型中，需要进行大量的相平衡计算。
2
A new solution method to compositionalmodel is investigated, which is implicit to pressure and saturation of oil and gas, and explicit to mole fractions of components.
提出了一种对压力和饱和度隐式、组分摩尔分数显式的部分隐式组分模型求解方法。
3
At the same time, the phase equilibrium theory and the physical properties parameters calculation have been studied, which lays a good theoretical foundation for the use of compositionalmodel.