Table 2. Temperature, pressure, concentration of Ca and Na, and saturation for calcite and barite for solutions, where parameters enabling downhole calculations exist.

sample_id feature_name sampling_place T (°C) P (atm) Ca (mg/l) Na (mg/l) Calcite Log(Ω) Barite Log(Ω)
51 Margretheholm Downhole 73 253 23000 52900 0.5 -0.1
52 Margretheholm Downhole 73 253 23100 54000 0.5 -0.4
54 Margretheholm Well Head 70 253 23500 53500 0.7 -0.2
55 Margretheholm Surface filter before cooling 72 253 22200 52800 1.5 0.1
56 Margretheholm Surface filter after cooling 70 253 23600 51300 1.5 0.1
62 Margretheholm Well Head 61 253 20505 53974 -0.5 0.4
69 Sønderborg Fjernvarme Well head after cooling 46 110 4600 55900 0.3 0.0
70 Sønderborg Fjernvarme Well Head 46 110 3899 55249 -0.4 0.1
81 Thisted Varmeforsyning Well Head 37 120 7500 55000 -0.1 -0.2
83 Thisted Varmeforsyning Well Head 43 120 6909 51882 -0.7
99 Gross Schönebeck Downhole 147 446 54000 38400 0.5 -1.6
100 Gross Schönebeck Downhole 145 435 52500 38150 2.1 -0.8
101 Gross Schönebeck Downhole 145 432 54000 37900 1.7 -1.4
102 Gross Schönebeck Downhole 147 436 56500 38700 1.3 -2.2
115 Gross Schönebeck Downhole 145 434 54000 39200 -0.7 -1.5
116 Gross Schönebeck Downhole 131 369 53800 39600 -0.8 -1.0
117 Gross Schönebeck Downhole 122 303 52900 38000 -0.9 -0.9
118 Gross Schönebeck Downhole 107 238 54800 37700 -0.6 -0.6
133 Honselersdijk surface (at sideline) 84 263 6190 38800 -0.7 0.1
132 Honselersdijk 84 250 5280 45960 -0.4 0.0
136 Honselersdijk 84 250 5181 45840 -0.5 0.0