| 样品编号 | 层位 | 碳同位素/‰ | Ro/% (据Sthal) | Ro/% (据戴金星) | Ro/% (据沈平) | |||
| CH4 | C2H6 | C3H8 | CO2 | |||||
| 15HC1-1 | K1b | −38.75 | −27.12 | −35.92 | −9.57 | 1.55 | 1.65 | 1.62 |
| 15HC1-2 | K1b | −38.76 | −27.07 | −25.80 | −10.09 | 1.55 | 1.65 | 1.62 |
| 15HC1-3 | K1b | −38.73 | −27.01 | −25.09 | −10.33 | 1.56 | 1.66 | 1.63 |
| 15HC1-4 | K1b | −38.73 | −27.08 | −25.60 | −10.45 | 1.56 | 1.66 | 1.63 |
| 15HC1-5 | K1b | −38.76 | −26.90 | −25.53 | −10.16 | 1.55 | 1.65 | 1.62 |