Excel Function

Cg

Description:

Calculates gas compressibility, [1/psi].

Excel Function Syntax:

=Cg(P, T, SGgas)

Parameters:

Parameter	Description
P	Pressure, [psia].
T	Temperature, [degR].
SGgas	Gas specific gravity, [dimensionless].

Usage Examples

Excel formula examples for Cg

Formula	Result
`=Cg(2500, 640, 0.65)` Calculate gas compressibility at reservoir conditions	0.00033
`=Cg(2000, 659.67, 0.605)` Calculate gas compressibility at 2000 psia, 659.67 degR (200 degF) for natural gas (SGgas=0.605) from TAMU PE324 Example A-6	0.00042228

1 item

PVT Properties