| Quantity |
value |
units |
| langmuir pressure constant, b |
0.00276 |
1/psi |
| langmuir volume constant, Vm |
428.5 |
scf/ton |
| bulk density, ρ |
1.7 |
gm/cc |
| thickness, h |
50 |
ft |
| initial water saturation Swi |
0.95 |
|
| drainage area, A |
320 |
acres |
| initial pressure Pi |
1500 |
psi |
| critical desorption pressure Pd |
1500 |
psi |
| temperature T |
105 |
ft |
| initial gas content Gc |
345 |
scf/ton |
| formation volume factor Bw |
1 |
bbl/STB |
| porosity Φ |
0.01 |
|
| water compressibility Cw |
0.000003 |
1/psi |
| formation compressibility Cf |
0.000006 |
1/psi |
|
