Parameter | Reservoir | Coal | Shale | |||
n | Ave | n | Ave | n | Ave | |
Temperature ˚C | 130 | 42 |
|
|
| |
Pressure gradient kPa/m | 279 | 8.2 |
|
|
| |
Water saturation % |
| 99 |
|
|
| |
Crit water saturation % |
| 60 |
|
|
| |
Bottom hole pressure kPa |
| 200 |
|
|
| |
Density g/cc |
|
| 354 | 1.4 | 35 | 2.2 |
Langmuir volume cc/g |
|
| 45 | 13.7 | 12 | 1.5 |
Langmuir pressure MPa |
|
| 45 | 5.7 | 12 | 6.2 |
Matrix perm md |
|
|
| 1e−3 |
| 1e−5 |
Diffusion cm2/s |
|
|
| 0.05 |
| 8e−3 |
Matrix porosity %a |
|
|
| 1e−4 |
| 1e−4 |
Eff fracture spacing m |
|
|
| 0.5 |
| 10 |
Max horiz fracture perm md |
|
| 110 | 3.8 |
| 1e−3 |
Min horiz fracture perm md |
|
|
| =Kmax/3 |
| =Kmax |
Vert fracture perm md |
|
|
| =Kmax/3 |
| =Kmax/10 |
Fracture porosity % |
|
|
| 0.01 |
| 1e−4 |