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1. |
The average permeability perpendicular to the bedding planes is given by________ |
A. | \(k = \frac{k_1 z_1+k_2 z_2+⋯.+k_n z_n}{z}*\frac{1}{2} \) |
B. | \(k = \frac{1}{\frac{z_1}{k_1} +\frac{z_2}{k_2} +⋯+\frac{z_n}{k_n}} \) |
C. | \(k = \frac{z}{\frac{z_1}{k_1} +\frac{z_2}{k_2} +⋯+\frac{z_n}{k_n}} \) |
D. | \(k = \frac{k_1 z_1+k_2 z_2+⋯.+k_n z_n}{z} \) |
Answer» D. \(k = \frac{k_1 z_1+k_2 z_2+⋯.+k_n z_n}{z} \) | |