Hydraulic injection tests in the pilot EGS borehole PVGT-LT1 in Litoměřice, Czechia
GEOTHERMICS(2023)
摘要
•Hydraulic parameters of the pilot borehole PVGT-LT1 in Litoměřice were determined.•Large-scale injection tests showed low permeability of crystalline basement.•A fibre optic technology (DTS) allowed for detailed temperature monitoring of the flow.•A fracture was activated at 880 m depth at 12.55 MPa indicating the minimum stress.•No induced seismicity was detected.
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关键词
Geothermal energy,Hydraulic injection,Seismic monitoring,Stress field
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