Dio bušotina INA-Naftaplina ima status geotermalnih bušotina, a taj se broj povećava porastom napuštenih naftnih i plinskih bušotina u kojima je utvrđeno zasićenje intervala vodom visoke temperature. Za cjelovitu analizu geotermalnih bušotina bilo je potrebno stvoriti bazu podataka, a zatim i odgovarajuće sučelje kao nadogradnju u radu s bazom. U ovom je radu prikazan način vizualizacije podataka iz geotermalne baze podataka koji za rezultat ima softverski program nazvan GTb aplikacija..; A portion of the INA-Naftaplin boreholes has the status of geothermal boreholes, and this number is growing with the growing number of abandoned oil and gas boreholes where interval saturation with high-temperature water was determined. For a coherent analysis of geothermal boreholes, it was necessary to create a data base and then a suitable interface as an update in the work with the base. This paper presents a manner of data visualisation from the geothermal database, which resulted in a software program called the GTb application.