| LaTeX Math Block |
|---|
| anchor | 1sigma_f |
|---|
| alignment | left |
|---|
|
\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 |
|---|
| body | \sigma_w(T), \, \sigma_o(T), \, \sigma_g(T) |
|---|
|
| electrical conductivity |
of the water| of 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 |
|---|
| body | \sigma_w(T) \gg \sigma_o(T) \gg \sigma_g(T) |
|---|
|
so that | LaTeX Math Block Reference |
|---|
|
can be approximated as:| LaTeX Math Block |
|---|
|
\sigma_f \approx s_w \cdot \sigma_w(T) |
...
Fluid Resistivity of the miltiphase fluid mix can be found as:
| LaTeX Math Block |
|---|
|
\rho_f = \sigma_f^{-1} |
See also
...
Petroleum Industry / Upstream / Data Acquisition / Well & Reservoir Surveillance Subsurface E&P Disciplines / Well loggingFluid Analysis / Cased-Hole Logging / Production Logging (PLT) / Borehole Flow Profile (BFP) / Fluid Conductivity Log (FCOND) Fluid Conductivity & Fluid Resistivity
