Abstract

Layer-wise saturation height functions are developed by establishing relationships between height above the free water level and bulk volume of water (BVW). The scatter in the BVW plot has been reduced by further classifying the data for different porosity facies. These porosity intervals are treated as rock types for that layer. Since each layer has a particular range of porosity, different porosity based rock types are identified. Height above the free water level versus water saturation plots are then generated for different rock types using the relationship developed for each geological layer. These equations were used to assign initial water saturation in the reservoir simulation model of a multilayered carbonate reservoir.