There are many compelling arguments for using geothermal energy in Hungary. One of the most important is that the country could thereby exploit its abundant, relatively untapped network of geothermal reservoirs. These are considerably warmer and closer to the surface than in most of Europe. In the foreseeable future, Hungary’s geothermal resources can satisfy the conditions required for efficient energy production. The tremendous amount of energy stored in our geothermal reservoirs could satisfy much of the country’s long-term energy demand.Every geothermal project is designed to fulfill its project objectives by meeting time, budget, technical, and legal/regulatory provisions. Geothermal development is necessarily exposed to risks of varying degrees throughout its development, something which distinguishes geothermal from other kinds of renewable-energy projects. These risks most often concern the availability, amount, suitability, sustainability and use-potential of the geothermal resource, but may also include market, financing, commercial and macro-economic risks.
In 2016 Pásztor and Schultz 1 published a new method for calculating the perforation design's effect on the inflow of hydrocarbon wells. According to their results the different perforation parameters have a considerable impact on the productivity. As the PVT properties of the thermal water (density, formation volume factor and viscosity) differ from the oil's, the behavior of their flow is also different. Because of this difference we investigated the effect of the perforation design on the inflow of geothermal wells, with the method of Pásztor and Schultz. Perforation design Steel casings are set to prevent ground water contamination and the fracturing of subsurface layers during the drilling of a well. If the reservoir rock can withstand the stress resulting from the pressure differential which develops during the production, then the reservoir fluid can be produced from the open hole. This is the so called open hole completion. However, in most cases the reservoir cannot
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