Excel Function
ptaPd
Description:
Dimensionless pressure as defined for constant-rate production
Excel Function Syntax:
ptaPd(P, Pi, q, k, h, B, mu)
Online Calculator:
| Parameter | Value | Description |
|---|---|---|
| P | pressure, psi | |
| Pi | original reservoir pressure, psi | |
| q | flow rate at surface, STB/D | |
| k | matrix permeability, md | |
| h | net formation thickness, ft | |
| B | formation volume factor, res vol/surface vol | |
| mu | viscosity, cp | |
| Result |
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