Research Article
Study on Desorption Experiment and Desorption Model of Deep Shale Gas Containing Water
Table 2
Fitting parameters of the isothermal shale desorption model.
| | Shale sample number | Water content, (%) | Maximum adsorption capacity of micropores (cm3/g) | Residual adsorption capacity, (cm3/g) | Coefficient of adsorption system (k) | Characteristic adsorption energy, E (kJ/mol) | Fitting degree, R2 |
| | GBW-1 | 0.00 | 2.2879 | 0.3933 | 5.1367 | 14.9826 | 0.9956 | | 0.71 | 1.6695 | 0.0977 | 5.2812 | 13.6741 | 0.9963 | | 2.87 | 1.2081 | 0.0327 | 5.1143 | 13.9861 | 0.9837 |
| | LZX-1 | 0.00 | 3.2709 | 0.5058 | 5.6137 | 18.2652 | 0.9968 | | 0.57 | 2.1516 | 0.1302 | 5.5324 | 19.2934 | 0.9918 | | 2.53 | 1.6134 | 0.0533 | 5.7124 | 19.2728 | 0.9708 |
| | Average | — | 1.2–3.3 | — | 5.3260 | 15.9528 | 0.9891 |
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