Thanks for comments - this is just hypothetical musing so feel...

Thanks for comments - this is just hypothetical musing so feel free to ignore as its not directly related to GDY share price.

rbohlsen - I guess this is predicated on being able to engineer a (mostly) closed reservoir as HDR is (if not HFR).

jukes: This assumes that fluid flow rate is the bottleneck, and that the new fluid is basically water with a nano-particle additive that doesn't otherwise alter its properties much (perhaps too much of an assumption?).

Your post gave me another thought for a potential nano-tech application to geothermal. Could nano-abrasives be used to used to expand the fractures and/or increase the surface area of rock exposed to the fluid? I've been noticing that in other areas of interest (lithium batteries and solar cells) that nano-tech is often applied to the problem of energy transfer, by increasing the surface are of contact between two materials or components of a system. Thinking there could be parallels here but can't quite get my head around how it might be engineered.