The saturation equation was solved using an explicit total variation diminishing (TVD) method.
应用显式全变差递减（TVD）法求解了饱和度方程。
Hydrocarbon saturation equation was set up according to T1 difference between hydrocarbon and water in dual polarization time NMR log.
从烃与水的T1差异着手，针对双极化时间核磁共振测井，可以建立含烃饱和度方程。
Streamline simulation method was used to solve the saturation equation by decoupling the full 3-d problem into multiple 1-d problems along streamline.
采用流线方法将求解饱和度的三维问题转化为一维问题求解。
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