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Line 117:
Line 117: − + − [[File:Formulae11.png|200px|thumbnail|center]]+ − − With dz/dP x 1/z is the slope of the line versus P at the point of the review. + + +
→Compressibility Isothermal Gas
:: in bbl/scf
:: in bbl/scf
===<big>Compressibility Isothermal Gas</big><big></big>===
===Compressibility Isothermal Gas===
Compressibility isothermal gas can be calculated by :
Compressibility isothermal gas can be calculated by :
: <math>C_g = \frac{1}{P} - \frac{1}{z} \frac{dz}{dP} (psi^{-1})</math>
Where
: <math>\frac{dz}{dP} \times \frac{1}{z}</math>
is the slope of the line versus P at the point of the review.
===<big>Viscosity Gas</big><big></big>===
===<big>Viscosity Gas</big><big></big>===