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Title: Interpretation of an injection test in a large diameter well in south Portugal and contribution to the understanding of the local hydrogeology
Authors: Costa, L. R. D.
Monteiro, J. P.
Oliveira, M. M.
Lobo Ferreira, J. P. C.
Leitão, T. E.
Carvalho, T.
Carvalho, J.M.
Agostinho, R.
Keywords: Injection test;Hydraulic parameter estimation;Managed aquifer recharge;Karstic aquifer
Issue Date: Apr-2015
Publisher: Associação Portuguesa dos Recursos Hídricos
Abstract: This paper refers to the interpretation of an injection test in a traditional large diameter well in Querença-Silves aquifer, south Portugal, under the scope of the project FP7-ENV-2013-WATER-INNO-DEMO MARSOL. Hydraulic parameter estimates were found within a high level of uncertainty regarding aquifer and well configuration. Given the injection test results together with the knowledge acquired on the field and from previous well logs and pumping tests on this aquifer section, it seems plausible to assume that the water injected in the well is locally flowing to an opposite direction to the regional aquifer flow. This forcing could possibly be caused by the existence of a local confinement or aquitard separating the injection well from the regional aquifer, or simply due to local scale heterogeneities and fracturation patterns.
Appears in Collections:DHA/NRE - Comunicações a congressos e artigos de revista

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