| 组分 | 闪蒸前 | 闪蒸后 | 变化幅度 |
| 甲烷 | 98.915% | 96.837% | −2.1008% |
| 乙烷 | 0.686% | 0.6717% | −2.0845% |
| 丙烷 | 0.038% | 0.0372% | −2.1053% |
| 异丁烷 | 0.006% | 0.0059% | −1.6667% |
| 正丁烷 | 0.011% | 0.0108% | −1.8182% |
| 异戊烷 | 0.007% | 0.0069% | −1.4286% |
| 正戊烷 | 0.006% | 0.0059% | −1.6667% |
| 己烷 | 0.021% | 0.0206% | −1.9048% |
| 庚烷 | 0.02% | 0.0196% | −2.0000% |
| 辛烷 | 0.041% | 0.0401% | −2.1951% |
| 氮气 | 0.127% | 0.1242% | −2.2047% |
| 二氧化碳 | 0.122% | 0.1188% | −2.6230% |
| 饱和水 | --- | 2.102% | --- |