PO.IPR.GW.PSS.Rate Function


Description:

Calculates gas well flow rate for pseudosteady state condition using Darcy flow approximation, [mscf/D].

Excel Function Syntax:

=PO.IPR.GW.PSS.Rate(K, h, P_average, Pwf, Z, Ug, Re, Rw, S, T_degR)

Parameters:

Parameter Description
K Permeability, [mD].
h Reservoir thickness, [ft].
P_average Average reservoir pressure, [psi].
Pwf Bottom-hole flowing pressure, [psi].
Z Gas compressibility factor (Z), [dimensionless].
Ug Gas viscosity, [cP].
Re Drainage radius, [ft].
Rw Wellbore radius, [ft].
S Skin factor, [dimensionless].
T_degR Reservoir temperature, [degR].

Used in Blueprints

Gas Well Deliverability

Gas well deliverability analysis comparing Darcy flow (low rate) with non-Darcy flow that includes turbulence effects at high rates. The non-Darcy coefficient D accounts for inertial resistance near the wellbore.

Missing a formula? Suggest a New Formula

An unhandled error has occurred. Reload X