PO.SF.CH.Sachdeva.Rate Function
Description:
Liquid flow rate using Sachdeva (1986) two-phase mechanistic model, [bbl/d]. Handles both critical and subcritical flow.
Excel Function Syntax:
=PO.SF.CH.Sachdeva.Rate(P_up, P_dn, d_choke, GLR, API, SG_gas, WC, T)
Parameters:
| Parameter | Description |
|---|---|
| P_up | Upstream pressure, [psia]. |
| P_dn | Downstream pressure, [psia]. |
| d_choke | Choke diameter, [inches]. |
| GLR | Gas-liquid ratio, [scf/bbl]. |
| API | Oil API gravity, [degAPI]. |
| SG_gas | Gas specific gravity (air=1). |
| WC | Water cut (0-1). |
| T | Upstream temperature, [degF]. |