Science – Society – Technology
Table 6 New improved gas geothermometers proposed in this research work
Neural network model | New gas geothermometer nomenclature (GasGi) | Input variables | Number of inputs neurons | Number of hidden neurons | Number of outputs neurons | ANN architecture | ||||
|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | ||||||
ANN-7 | GasG1 | ln(H2S/CO2) 46.32% | ln(CH4/CO2) 24.84% | ln(H2/CO2) 28.84% | 3 | 18 | 1 | [3–18-1] | ||
ANN-9 | GasG2 | ln(CO2/CH4) 42% | ln(H2S/CH4) 31.02% | ln(H2/CH4) 26.97% | 3 | 15 | 1 | [3–15-1] | ||
ANN-20 | GasG3 | ln(H2S/CO2) 39.12% | ln(CH4/CO2) 37.68% | ln(H2/CO2) 23.2% | 3 | 18 | 1 | [3–18-1] | ||
ANN-22 | GasG4 | ln(CO2/CH4) 33.05% | ln(H2S/CH4) 34.51% | ln(H2/CH4) 32.44% | 3 | 34 | 1 | [3–34-1] | ||
ANN-23 | GasG5 | ln(CO2/H2) 24.6% | ln(H2S/H2) 50.2% | ln(CH4/H2) 25.21% | 3 | 15 | 1 | [3–15-1] | ||
ANN12 | GasG6 | ln(CO2) 26.18% | ln(H2S) 30.19% | ln(CH4) 15.37% | ln(H2) 28.26% | 4 | 13 | 1 | [4–13-1] | |
ANN-25 | GasG7 | ln(CO2) 27.83% | ln(H2S) 12.81% | ln(CH4) 25.87% | ln(H2) 33.48% | 4 | 10 | 1 | [4–10-1] | |
ANN-13 | GasG8 | ln(H2S/CO2) 25.13% | ln(CH4/CO2) 5.11% | ln(H2/CO2) 10.29% | ln(H2S) 42.86% | ln(H2S/H2) 16.61% | 5 | 9 | 1 | [5-9-1] |