PO.MBE.Drives.GDI Function
Description:
Calculates Gas Cap Drive Index (GDI), [fraction 0-1]. GDI = N*m*Eg / F.
Excel Function Syntax:
=PO.MBE.Drives.GDI(N, m, Eg, F)
Parameters:
| Parameter | Description |
|---|---|
| N | Original oil in place, [STB]. |
| m | Gas cap ratio = GBgi / NBoi. |
| Eg | Gas cap expansion term, [RB/STB]. |
| F | Underground withdrawal, [RB]. |
Used in Blueprints
Reservoir Drive Mechanism Indices
Calculate drive mechanism indices to identify the dominant energy source driving oil production. Drive indices sum to 1.0 and indicate relative contribution of each mechanism.