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| Radial inflow (well) permeability in homogeneous, anisotropic media. ''k''<sub>max</sub> and ''k''<sub>min</sub> are the major and minor axes permeabilities.
| Radial inflow (well) permeability in homogeneous, anisotropic media. ''k''<sub>max</sub> and ''k''<sub>min</sub> are the major and minor axes permeabilities.
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| Cross bedding
| [[Cross bedding]]
| <math>\bar{k} = \frac{\cos^{2}\alpha}{k_{0}} + \frac{\sin^{2}\alpha}{k_{90}}</math>
| <math>\bar{k} = \frac{\cos^{2}\alpha}{k_{0}} + \frac{\sin^{2}\alpha}{k_{90}}</math>
| [[Permeability]] in a direction at an angle a to cross bedding. ''k''<sub>0</sub> and ''k''<sub>90</sub> are the permeabilities parallel and perpendicular to cross bedding.
| [[Permeability]] in a direction at an angle a to cross bedding. ''k''<sub>0</sub> and ''k''<sub>90</sub> are the permeabilities parallel and perpendicular to cross bedding.