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Graphene News — renewables

Novel and cost-effective drilling technologies for geothermal systems

Marko Spasenovic

Novel and cost-effective drilling technologies for geothermal systems

Geothermal is currently the most underutilized of renewable resources, even though it is in principle, via engineered geothermal systems (also called enhanced geothermal systems, EGS), possible to exploit anywhere. A key issue with deep geothermal exploitation is its high cost, with 53% of the price of exploitation expended on drilling....

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