GEOTHERMICA Project:
Glass Fiber Reinforced Epoxy Casing System
for Geothermal Application

The GRE-GEO (glass fiber reinforced epoxy casing for geothermal application) project will develop a new well completion strategy that aims to establish a corrosion-resistant alternative to decrease the development and production costs of geothermal energy while avoiding extra investments.

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Corrosion and scaling significantly reduce the lifespan of traditionally used steel casing systems, which must guarantee the wellbore integrity. Consequently, workover procedures are forced earlier than expected, and becoming a substantial financial burden. In contrast, Glass fiber casings (GRE) do provide a much-desired alternative as this material is corrosion resistant. However, in comparison with steel, GRE pipes are up to now only available in relatively small inner diameters, with excessively large outer diameters. development and production costs of geothermal energy while avoiding extra investments.