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Table 2 Key parameters of the two leak-off tests conducted in the geothermal well Bruchsal GB2 in 1984
From: Inferring the in situ stress regime in deep sediments: an example from the Bruchsal geothermal site
LOT-2023 | LOT-2245 | |
|---|---|---|
Depth | 2,023 m | 2,245 m |
Formation | Middle Keuper | Middle Buntsandstein |
Drilling mud density | 1.11 g cm−3 | 1.05 g cm−3 |
Well-head pressure | 9 MPa | 4.5 MPa |
LOP = Shmin magnitude | 31.0 MPa | 27.6 MPa |
Shmin gradient | 15.3 MPa km−1 | 12.3 MPa km−1 |
Shmin/Sv, ratio | 0.64 | 0.52 |