Table 1 Coalbed methane natural gas components in Sanjiao North area.
Well | System | He/% | H2/% | N2/% | CO2/% | H2S/% | C1/% | C2/% | C3/% | iC4/% | nC4/% | iC5/% | nC5/% | C6+/% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SJB15 | P | 0.06 | 0.04 | 0.47 | 0.00 | 0.00 | 89.55 | 7.36 | 1.71 | 0.27 | 0.29 | 0.10 | 0.06 | 0.10 |
SJB16 | P | 0.09 | 0.00 | 0.83 | 0.00 | 0.00 | 93.36 | 4.08 | 1.00 | 0.22 | 0.21 | 0.09 | 0.05 | 0.07 |
QJS Gas gathering station | P | 0.09 | 0.01 | 1.50 | 0.34 | 0.00 | 90.75 | 5.20 | 1.34 | 0.25 | 0.27 | 0.10 | 0.06 | 0.08 |
SJB18 | P | 0.05 | 0.03 | 0.73 | 0.87 | 0.00 | 89.22 | 6.58 | 1.67 | 0.27 | 0.33 | 0.12 | 0.07 | 0.07 |
SJB32 | P | 0.11 | 0.01 | 1.29 | 0.00 | 0.32 | 97.03 | 0.98 | 0.16 | 0.04 | 0.04 | 0.02 | 0.01 | 0.00 |
SJB19 | P | 0.10 | 0.01 | 2.27 | 0.00 | 0.00 | 92.99 | 3.39 | 0.79 | 0.15 | 0.16 | 0.06 | 0.04 | 0.05 |
TB-02 | P | 0.03 | 0.00 | 0.70 | 0.30 | 0.00 | 90.30 | 6.74 | 1.33 | 0.23 | 0.19 | 0.08 | 0.04 | 0.06 |
SJB1-10 | P | 0.02 | 0.02 | 0.13 | 2.31 | 0.00 | 93.01 | 3.46 | 0.70 | 0.14 | 0.13 | 0.05 | 0.03 | 0.00 |
SJB23 | P | 0.11 | 0.01 | 1.70 | 0.73 | 0.00 | 93.84 | 2.84 | 0.51 | 0.10 | 0.09 | 0.04 | 0.02 | 0.00 |
SJB-1 | P | 0.16 | 0.00 | 2.09 | 0.00 | 0.00 | 94.57 | 2.46 | 0.47 | 0.10 | 0.09 | 0.04 | 0.02 | 0.00 |
