Table 2 Specific heat capacity values [kJ/(kg·K)] at different temperatures (25, 80, 100, 200 °C) and for extrapolated temperatures at reservoir depths 3000 m (103 °C) and 3500 m (117 °C), respectively

Sample location

Lithology

T = 25 °C

T = 80 °C

T = 100 °C

T = 200 °C

T = 103 °C

T = 117 °C