This equation can either predict index during the whole developing stage of oil and gas field, or predict relatively accurately the recoverable reserve.

方程既可以用来预测油气田整个开发阶段的指标，又可以比较准确的测算油气田的可采储量。

youdao

But how to predict and calculate net gas and condensate oil recoverable reserve, there is no practical and convenient method so far in home.

但如何预测和计算凝析气藏中的干气和凝析油可采储量，目前国内尚没有较为全面、实用、便捷的测算方法。

youdao