"....Given the depth o the fracs and the fact,that the fresh water declined during the flowtest IMHO it is way more likely they have fracced into a local water deposit...."

The depth of the fracs happened near 3700 m.....

The International Geothermal Conference,Reykjavik,Sept.2003,Session #12

points out the following:

The existence of high enthalpy water reservoirs was proved by a dramatic outburst of steam from the well Fábiánsebestyén in the Southeast of Hungary in 1985:

From an exploratory borehole over-pressured steam had blown out at a pressure of 360 bars and a temperature of 170°C. The mass flow rate was approximately 80 kg/s. The reservoir is a fractured dolomite formation at the depth of 3,700 m. The duration of the blowout was 47 days, and the wellhead pressure as well as the flow rate remained constant. The well was finally killed and the borehole cemented. At the present, feasibility studies are going on to determine the dimensions and the geother-mal potential of the reservoir. Existence of other deep, high-enthalpy reservoirs in the Southeastern part of Hungary seems to be possible. /

(We simply learn that the extension of the reservoir is existing nearly everywhere.)