| 摘要 |
A store for storing heat in rock is produced in that the rock is split up hydraulically in approximately plane parallel fissure planes from a number of boreholes (9, 9', 9'', 26). One or more production holes (12, 12', 12'', 24, 29) are drilled down to the bottom of the cracked store. Hot water is supplied to the system in that the water is conveyed down to the upper portion of the store, from where the water is conveyed down through the store along zig-zag paths defined by the fissure planes (10, 10', 10'', 10a-e) and transverse channels (11, 11', 11'', 26,27). Alternatively, the hot water can be supplied along the whole height of the store and travel sideways along the horizontal fissure planes (10''') to the production hole.
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