|Title||Circulatory disturbance-preventing open well hole technology using return pipe header in geothermal hole|
◎ Overview of the technology
A return pipe is installed with space for groundwater passage in the space between the geothermal hole and internal casing down to the bottom of the geothermal hole, with a water return pipe connected to the return pipe header to ensure nominal groundwater circulation even in the event of a geothermal hole cave-in.
For more information, see the attached file.
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