Table 2 Model description and assumptions.
From: Production characteristics and adsorption control mechanism of CO2-rich CBG wells
Parameters | Description/assumption |
|---|---|
Grid system | Cartesian grid system with I × J × K = 30 × 30 ×  1 |
Grid dimension | Each grid in x-direction = 10 m Each grid in y-direction = 10 m |
Layers in the model | 1 |
Fracture porosity, φ | From well-test data |
Initial reservoir pressure, psi | From well-test data |
Gas content, m3/t | From gas content data |
Gas composition | CH4 and CO2 |
Permeability, mD | From logging data |
Perm anisotropy | PERMX = PERMY (no perm anisotropy) |
Anisotropy permeability ratio | 0.1 |
Initial water saturation, Swi | 100% |
Reservoir temperature, ℃ | Derived from depth |
