LaTeX Math Block |
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anchor | sigma_f |
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alignment | left |
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\sigma_f = s_w \cdot \sigma_w(T) + s_o \cdot \sigma_o(T) + s_g \cdot \sigma_g(T) |
where
| volumetric fractions of water, oil and gas phases: |
LaTeX Math Inline |
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body | \sigma_w(T), \, \sigma_o(T), \, \sigma_g(T) |
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| electrical conductivity of the water, oil and gas phases |
| fluid temperature |
In many practical applications the electrical conductivity of hydrocarbons is much less than that of produced water
LaTeX Math Inline |
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body | \sigma_w(T) \gg \sigma_o(T) \gg \sigma_g(T) |
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so that
LaTeX Math Block Reference |
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can be approximated as:
LaTeX Math Block |
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\sigma_f \approx s_w \cdot \sigma_w(T) |
See Also
Petroleum Industry / Upstream / Data Acquisition / Well & Reservoir Surveillance / Well logging / Cased-Hole Logging / Production Logging (PLT) / Borehole Flow Profile (BFP) / Fluid Conductivity Log (FCOND)