Investigation of Two-Regime Well Flow

by Pongsarl Huyakorn, Post-doctoral Research Fellow; Univ. of Wales, Swansea, United Kingdom,
Colin R. Dudgeon, (M.ASCE), Sr. Lect.; Univ. of New South Wales, Sydney, Australia,

Serial Information: Journal of the Hydraulics Division, 1976, Vol. 102, Issue 9, Pg. 1149-1165

Document Type: Journal Paper


A mathematical method and a Galerkin finite element formulation are presented for steady two-regime flow toward wells in confined and unconfined aquifers. The model is verified by comparing the finite element solutions of typical cases with pumping test results obtained from laboratory experiments. A new type curve method for determining the in-situ hydraulic characteristics of a selected aquifer material is described. It is shown that the method leads to good agreement between the theory and experiments and that the in-situ values may be quite different from the corresponding values obtained from permeability tests on a sample of the aquifer.

Subject Headings: Finite element method | Aquifers | Pumping tests | Wells (water) | Confined flow | Steady flow | Mathematical models | Verification

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