Proposal on multipurpose utilization of geothermal fluids with high content of dissolvent gas and surface temperature higher than 100?C

Abstract

The heat flow density[1] and geothermal gradient of the Carpathian Basin is characterized expressive by the favourable endowment of geothermal energy-sources of Hungary (in Fig. 1). Because of this values are between 80 and 100 mW/m2 higher, than the world average. For example the calculated and measured maximum is: 113 mW/m2 existing in the closed district of Szeged town (The European average is 62 mW/m2).
Parallel with the productive carbohydrogen mining in the last centuries, among the more than 8000 prospecting well drillings, in a number of cases and places the results was an “influx of thermal water” fluidum, like a secondary product. Over 3000 wells had been therefore qualified as “abandoned (oil) wells”, contrary to productive hydrocarbon (oil, earth gas) wells (see Fig. 2) which are shown [2] a the dense places. From these we can choose the multifunctional utilizations – technologies of those wells or group of wells, supported by the basic data of their mining reports, records and preliminary calculations.