PO.GL.Valve.ThornhillCraver Function
Description:
Calculates gas throughput using Thornhill-Craver equation, [Mscf/d].
Excel Function Syntax:
=PO.GL.Valve.ThornhillCraver(Cd, Ap, P1, P2, SG, T)
Parameters:
| Parameter | Description |
|---|---|
| Cd | Discharge coefficient (0.6-0.9), [dimensionless]. |
| Ap | Port area, [in²]. |
| P1 | Upstream (casing) pressure, [psia]. |
| P2 | Downstream (tubing) pressure, [psia]. |
| SG | Gas specific gravity (air = 1.0), [dimensionless]. |
| T | Gas temperature, [°R]. |
Used in Blueprints
Valve Throughput Analysis
Gas lift valve throughput calculations using the Thornhill-Craver equation. Determines gas flow rate through an orifice valve based on port size and pressure differential.