Geofluids / 2019 / Article / Fig 3

Research Article

Carbon and Hydrogen Isotopic Reversals in Highly Mature Coal-Derived Gases: A Case Study of Paleozoic Gases in the Southern Ordos Basin, China

Figure 3

(a) Plot of δ13C-C2H6 versus δ13C-CH4; (b) relationship between δ13C-CO2 and CO2 content of gases in different gas fields of the Ordos Basin (modified from [33]). Note: symbols for samples from different areas of the Ordos Basin are used in all subsequent figures.

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