Geometric coefficient for the electrode

Input(s)

$r_{1}$: Distance to 1st Electrodes $(\mathrm{m})$

$r_{2}$: Distance to 2nd Electrodes (m)

Output(s)

$G_{t}$: Geometric Coefficient for the Electrode Array (m)

Formula(s)

$$ G_{t}=4 * \pi *\left(r_{1} * \frac{r_{2}}{r_{2}-r_{1}}\right) $$

Reference(s)

Bassiouni, Z., 1994, Theory, Measurement, and Interpretation of Well Logs. SPE Textbook Series Vol. 4. Chapter 5, Page: 93.