24 Sep '13, 2pm

Geothermal Energy: Why It Is Different From Shale Gas

Geothermal Energy: Why It Is Different From Shale Gas

Recently, part of the gas industry has claimed that fracking for shale gas is comparable to the hydraulic stimulation process used for geothermal exploration and that the granting of geothermal exploration permits whilst those for shale gas are rejected is creating a double standard. Whilst there are similarities, it is important to understand the intricacies and differences between the two technologies. An Enhanced Geothermal System (EGS) is an underground reservoir that has been created or improved artificially. Traditionally, we only saw geothermal power plants in areas with highly permeable rocks and high underground temperatures, such as Tuscany and Iceland. EGS allow us to increase the permeability of rocks, which means we can use the geothermal resources right across Europe – even in areas with lower temperatures. Drilling operation at Egoci project - EGS (France) B...

Full article: http://www.renewableenergyworld.com/rea/news/article/2013...

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