Morita, Koji; Bollmeier, Warren S; Mizogami, Husanobu
(Transactions - Geothermal Resources Council, 16, 9-16, 1992)
The first experiment for the Downhole Coaxial Heat Exchanger (DCHE, see Fig. 1) was carried out successfully at the HGP-A well on the island of Hawaii using an interval from the surface down to a depth of 876.5m. The ...