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

<div>(a) <i>δ</i>D-C<sub>2</sub>H<sub>6</sub> versus wetness of the gases from different gas fields in the Ordos Basin; (b) <i>δ</i>D-CH<sub>4</sub> versus wetness of the gases from different gas fields in the Ordos Basin.</div>

Geofluids

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Figure 11

Figure 11: Carbon and Hydrogen Isotopic Reversals in Highly Mature Coal-Derived Gases: A Case Study of Paleozoic Gases in the Southern Ordos Basin, China 

Figure 11 | Carbon and Hydrogen Isotopic Reversals in Highly Mature Coal-Derived Gases: A Case Study of Paleozoic Gases in the Southern Ordos Basin, China 