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The mass of fluid per unit volume

LaTeX Math Block
alignmentleft
\rho = \frac{m}{V}

where

LaTeX Math Inline
bodym

fluid mass

LaTeX Math Inline
bodyV

fluid volume


For the multiphase fluid the total density is:

LaTeX Math Block
anchorrho_m
alignmentleft
\rho = \sum_\alpha s_\alpha \, \rho_\alpha

where

LaTeX Math Inline
body\rho_\alpha

 Density of 

LaTeX Math Inline
body\alpha
-phase

LaTeX Math Inline
bodys_\alpha

volumetric share of 

LaTeX Math Inline
body\alpha
-phase

...



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Density of popular petroleum fluids at Standard Conditions

FluidNormal density range (g/cc)
Natural Gas0.007 – 0.30
Gas Condensate0.200 – 0.40
Oil0.400 – 1.12
Water1.000 – 1.15

See also

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Natural Science / Physics Physics / State of matter / Fluid

Petroleum Industry /  Upstream / Subsurface E&P Disciplines / Fluid Analysis

Density ]