Anisotropy Effect

When the vertical conductivity, Kv, is different from the horizontal conductivity, Kh, the flow rate to a horizontal well can be computed as follows:


1000 7

Aquifer Thickness:

Pollution Prevention Diagram

Aquifer Thickness:


Figure 1 Productivity ratio vs. hydraulic conductivity.

Figure 2 plots the specific ratio of a 500-ft horizontal well as a function of the conductivity contrast and the aquifer thickness. In the case of anisotropic aquifers, the specific capacity ratios of horizontal to vertical wells increase if the hydraulic conductivity ratios, KJKV, decrease. This increase is inversely proportional to aquifer thickness.

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