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Flow to a finite diameter well in a horizontally anisotropic aquifer with wellbore storage
Author(s) -
Mathias S. A.,
Butler A. P.
Publication year - 2007
Publication title -
water resources research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.863
H-Index - 217
eISSN - 1944-7973
pISSN - 0043-1397
DOI - 10.1029/2006wr005839
Subject(s) - anisotropy , aquifer , wellbore , isotropy , mechanics , laplace transform , flow (mathematics) , radius , geology , specific storage , aquifer test , work (physics) , geotechnical engineering , petroleum engineering , mathematics , physics , mathematical analysis , groundwater , thermodynamics , optics , computer science , computer security , groundwater recharge
Methods for determining horizontal anisotropy in transmissivity from pumping tests have generally been limited to where the pumping well can be assumed infinitesimal. This work presents a Laplace transform solution to the problem of flow to a finite diameter well in a horizontally anisotropic aquifer with wellbore storage. It is also shown that the solution is adequately approximated by an equivalent isotropic model with a corrected effective well radius for moderate anisotropies (i.e., T y / T x < 25).

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