GRE-GEO
Glass Fiber Reinforced Epoxy Casing System for Geothermal Application
Publieke samenvatting / Public summary
Aanleiding
The fluid composition of geothermal projects contains multiple elements that accelerate corrosion and induce scaling. This reduces significantly the lifespan of traditionally used steel casing systems which must guarantee the wellbore integrity. Due to that, forces workover procedures are forced earlier than expected, and as a result, becoming a significant financial burden. In contrast, Glassfiber casings (GRE) do provide a much-desired alternative as this material is corrosion resistant. However, in comparison with steel, GRE only allows to this date only for relatively small inner diameters with too large outer diameters, and their sizing, handling and installation is limited due to oil and gas standards that were originally developed for steel. The lack of a suitable alternative to steel jeopardizes the profitability of any geothermal project which is facing massive corrosion problems.
Doelstelling
Therefore, the main objective of the project is to develop a cost-reducing, large diameter, glassfiberreinforced epoxy piping that is especially designed for geothermal well application (GRE-GEO) with relative large insidediameter and decreased outside diameter, especially concerning the pipe couplingso that an application for workover of old wells is also conceivable. Furthermore, the project will also include the much-needed guidelines and tools for thedesign, qualification andinstallationof the GRE piping system. This will considerably accelerate an integration of the product into the market. The improvement in the field of casing system-well completion technology and materials are a major advantage in comparison to the steel-based systems. High corrosion resistance significantly prolongs the overall lifespan of the wellbore compared to conventional steel casing designs. by integration of a safe barrier which can guarantee the integrity of the wellbore.
Resultaat
The GRE-GEO (glassfiberreinforced epoxy pipingfor 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 avoidingextra investments. Lower costs also improve the competitiveness of the participating companies in Europe. Reduced costs, shorter maintenance time, and mitigation.
The fluid composition of geothermal projects contains multiple elements that accelerate corrosion and induce scaling. This reduces significantly the lifespan of traditionally used steel casing systems which must guarantee the wellbore integrity. Due to that, forces workover procedures are forced earlier than expected, and as a result, becoming a significant financial burden. In contrast, Glassfiber casings (GRE) do provide a much-desired alternative as this material is corrosion resistant. However, in comparison with steel, GRE only allows to this date only for relatively small inner diameters with too large outer diameters, and their sizing, handling and installation is limited due to oil and gas standards that were originally developed for steel. The lack of a suitable alternative to steel jeopardizes the profitability of any geothermal project which is facing massive corrosion problems.
Doelstelling
Therefore, the main objective of the project is to develop a cost-reducing, large diameter, glassfiberreinforced epoxy piping that is especially designed for geothermal well application (GRE-GEO) with relative large insidediameter and decreased outside diameter, especially concerning the pipe couplingso that an application for workover of old wells is also conceivable. Furthermore, the project will also include the much-needed guidelines and tools for thedesign, qualification andinstallationof the GRE piping system. This will considerably accelerate an integration of the product into the market. The improvement in the field of casing system-well completion technology and materials are a major advantage in comparison to the steel-based systems. High corrosion resistance significantly prolongs the overall lifespan of the wellbore compared to conventional steel casing designs. by integration of a safe barrier which can guarantee the integrity of the wellbore.
Resultaat
The GRE-GEO (glassfiberreinforced epoxy pipingfor 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 avoidingextra investments. Lower costs also improve the competitiveness of the participating companies in Europe. Reduced costs, shorter maintenance time, and mitigation.