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Table 1 Temperature differences to production test data for the three correction methods analysed. The average error as well as the standard deviation (\(\sigma\)) are shown. To highlight potential shortcomings of each method, separate statistics are exhibited for data which were interpolated from corrected logs and those which had to be extrapolated as the production test was in a larger depth than the final log measurement

From: A new method for correcting temperature log profiles in low-enthalpy plays

Correction method All production tests Interpolated values only Extrapolated values only
Average error [K] \(\sigma\) [K] Average error [K] \(\sigma\) [K] Average error [K] \(\sigma\) [K]
A (Eq. 3) 4.3 5.3 4.0 5.5 4.7 4.0
B (Eq. 4) 0.0 3.2 0.5 3.3 −1.6 2.4
C (Eq. 5) 3.1 3.7 2.7 3.2 4.2 4.7