Log Calculation

GES provides abundant equations to calculate various petrophysical properties, such as Vsh, porosity, permeability and water saturation. Individual equations can be accessed in Log Analysis tab, and you can also create a formula according to your needs by using the log calculator.


Fig. Formulas in GES


Steps to perform Log Calculation in GES:

· Go to Geological Evaluation scenario/Geology & Modeling ScenarioLog AnalysisLog Calculation

· Click the down arrow of VSH/Porosity/Perm/SW → Select a method and click → Select Well Name → Click the method name under workflow in left window → Choose input curve, set parameter and enter output curve name in right window → Click Run in left window