Gat, your response puts that argument to rest. HFR is of much greater potential than HDR, simply because an HFR project flows as a result of the pressure on the in-situ fluids.
Ohmygod, your point regarding pumps is valid in a commercial sense. Pumps that can operate at well over temperatures and pressures we are dealing with can be made, but they are exotic and cost an arm and a leg. I just had a chat to a bloke from Ajax, he said the real limitation is getting custom made valves and gaskets. They can be made, but the price 'is likely' be inhibitive.
GRK Price at posting:
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