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Reply #27: Well I admit I haven't done an in-depth study of this but I see some obstacles: [View All]

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2KS2KHonda Donating Member (508 posts) Send PM | Profile | Ignore Tue Aug-19-08 12:41 PM
Response to Reply #25
27. Well I admit I haven't done an in-depth study of this but I see some obstacles:
If you did manage to drill into a superheated area some 5 miles down you've still got to get that heat to the surface to do anything useful with it without losing the energy on the way up. One possibility of course is to build a steam turbine generating plant at the wellhead...I'm pretty sure the plumbing downhole would be a nightmare at those depths and I'm not at all certain it would be any cheaper than a coal or nuke plant. Then there is the uncertainty back at step 1 of finding the desired geothermal formations...which can be anywhere from the surface like Yellowstone and Iceland to more than 100 miles deep in some places!
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