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Quantitative measure of a drainage area A_e half-size:

(1) r_e = \sqrt{\frac{A_e}{\pi}}


It makes a physical sense of a geometrical average distance from well to the drainage area boundary.

For a circular-shape drainage area with centred well it makes a direct sense of a distance between a well and drainage area boundary.


See also


Physics /  Fluid Dynamics / Percolation

Petroleum Industry / Upstream / Subsurface E&P Disciplines / Field Study & Modelling / Drainage (fluid flow)

[ Drainage volume ] [ Drainage area (Ae) ]

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