Table 5 Drainage data of CBG wells.
From: Production characteristics and adsorption control mechanism of CO2-rich CBG wells
Well no. | CO2 concentration | Gas content | Maximum gas production | Average gas production | Gas breakthrough time | Production decline rate | Maximum water production | Average water production |
|---|---|---|---|---|---|---|---|---|
(%) | (m3/t) | (m3/d) | (m3/d) | (d) | (%) | (m3/d) | (m3/d) | |
D8# | 20 | 11.27 | 1,015.0 | 517.00 | 38 | 49.06 | 12.88 | 6.85 |
D5# | 50 | 19.23 | 3,150.0 | 1,450.04 | 35 | 53.97 | 14.42 | 3.88 |
D6# | 60 | 17.81 | 1,210.0 | 800.00 | 68 | 43.80 | 13.51 | 4.24 |
D2# | 70 | 15.00 | 1,100.7 | 562.50 | 81 | 48.89 | 8.18 | 4.73 |