In the project GINOP-2.1.1-15.2016-00970, Development of inclined, surface-increased well design and operation technology in a deep geothermal extraction-injection system installed on a porous reservoir, InnoGeo Ltd carried out geological, hydrogeological data collection on the parameters of production and porous injection systems, hydrodynamic simulation covering the entire reservoir, designation of an experimental doublet site, 5-well pump test, investigation of the effects of hydrocarbon mining in the Upper Pannonian porous hydrodynamic characteristics, area-wide regional heat transport simulation, hydrodynamic modeling of expected injectability differences between vertical and skewed well design, performance of full-range full geophysical tests, multi-stage load well test on the well pair, three k performing a well-interfering well load test with different yields, two-phase (I. oblique well-pair before installation, II. oblique well-pair post-installation) regional pulsation, load well interference study involving a total of 6 extraction and re-injection wells.