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Table 4 Pore pressure calibration table and modeling rationale

From: RETRACTED ARTICLE: Predictability and controlling factors of overpressure in the North Alpine Foreland Basin, SE Germany: an interdisciplinary post-drill analysis of the Geretsried GEN-1 deep geothermal well

#Clay content of Yang and Aplin (2010), or KT (Eq. 2)Average deviation (g/cm3)Comment
ChattianRupelianLat./San.U. Cret.
140%40%KTKT− 0.48Too low → Chattian or Rupelian clay content > 40%
270%70%KTKT0.01Good
390%90%KTKT0.34Too high
440%70%KTKT− 0.41Too low → Chattian and Rupelian clay content > 40%
Decision: Chattian and Rupelian clay content ≥ 70%
570%70%70%70%− 0.37Too low
670%70%70%90%− 0.29Too low
770%70%70%KT− 0.09Good
870%70%90%70%− 0.34Too low
970%70%90%90%− 0.26Too low
1070%70%90%KT− 0.08Good
1170%70%KT70%− 0.11Good
1270%70%KT90%− 0.08Good
1370%90%90%90%− 0.20Too low
1470%90%90%KT0.01Good
1570%90%KT90%− 0.03Good
1670%90%KTKT0.08Good
1790%90%90%90%− 0.01Good
1890%90%90%KT0.16Too high
1990%90%KT90%0.27Too high
Sensitivity study → Lat./San. and/or U. Cret. clay content = 40%
2090%90%40%40%− 0.17Too low → Lat./San. or U. Cret. clay content > 40%
2190%90%40%KT0.12Good
2290%90%KT40%0.21Too high
2370%70%KT40%− 0.13Good
2470%90%40%KT− 0.02Good
2570%70%40%KT− 0.10Good