Patent ID: 11867432
Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 4:
5. An operation method for a geothermal heat utilization system including: a first well that includes a first upper opening that opens in an upper aquifer and a first lower opening that opens in a lower aquifer; a second well that includes a second upper opening that opens in the upper aquifer and a second lower opening that opens in the lower aquifer; a first pipe; a second pipe; a first heat exchanger connected to the first pipe; and a second heat exchanger connected to the second pipe, the method comprising:
supplying underground water of the upper aquifer from the first upper opening to the second upper opening via the first pipe; and
supplying underground water of the lower aquifer from the second lower opening to the first lower opening via the second pipe.