A half century of reservoir property changes in the Szentes geothermal field, Hungary

Bálint, András and Szanyi, János (2015) A half century of reservoir property changes in the Szentes geothermal field, Hungary. Central European Geology, 58 (1-2). pp. 28-49. ISSN 1788-2281

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Abstract

The general characterization of the Hungarian Szentes geothermal field is presented based on the review of previous research and is supplemented with the analysis of well hydraulic tests. Forty thermal wells were included in the study area, producing mainly from Upper Pannonian sandstone reservoirs. The intensive and long-term production of thermal water reservoirs without reinjection resulted in significant reservoir pressure decrease from natural conditions. By means of deep-well pressure build-up curves, deep-well capacity curves and surface pressure curves the reservoir condition changes were described in the last half century.

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