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@wikipedia


Motivation

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Output

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LaTeX Math Inline
bodyp(z)

Fluid pressure 

LaTeX Math Inline
bodyp
 


Input

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LaTeX Math Inline
bodyz

LaTeX Math Inline
body\rho_0

Fluid density at Logging reference point 

LaTeX Math Inline
bodyz_0

LaTeX Math Inline
bodyz_0

Logging reference point (usually at surface)

LaTeX Math Inline
bodyc_0

Fluid Compressibility at Logging reference point 

LaTeX Math Inline
bodyz_0

LaTeX Math Inline
bodyg

Standard gravity constant


Equation

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LaTeX Math Block
anchorV9I53
alignmentleft
p(z) = p_0 \cdot \exp \left[ - \frac{\rho_0 \, g}{p_0} \cdot (z-z_0) \right] = p_0 \cdot \exp \left[ - \frac{M }{R \, T} \cdot (z-z_0) \right]

where

LaTeX Math Inline
bodyz

LaTeX Math Inline
body\rho_0

Gas density at Logging reference point 

LaTeX Math Inline
bodyz_0

LaTeX Math Inline
bodyz_0

Logging reference point (usually at surface)

LaTeX Math Inline
bodyc_0

Gas Compressibility at Logging reference point 

LaTeX Math Inline
bodyz_0

LaTeX Math Inline
bodyg

Standard gravity constant

LaTeX Math Inline
bodyp_0

Gas pressure at Logging reference point 

LaTeX Math Inline
bodyz_0

LaTeX Math Inline
bodyR

Gas constant

LaTeX Math Inline
bodyM

Gas molar mass


See also

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Physics / Mechanics / Continuum mechanics / Fluid Mechanics / Fluid Statics

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