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| LaTeX Math Block | ||||
|---|---|---|---|---|
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p = p(z) |
Output
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Intput
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|
| Fluid density at Logging reference point | |||||||||||||
| Logging reference point (usually at surface) |
| Fluid Compressibility at Logging reference point | ||||||||||||
| Standard gravity constant |
Equation
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The static balance equation for fluid column is:
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\frac{dp}{dz}= \rho(p) \cdot g |
where
Approximations
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Incompressible fluids
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p(z) = p_0 + \rho_0 \cdot g \cdot (z-z_0) |
Ideal gases
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