Carbon and Hydrogen Isotopic Reversals in Highly Mature Coal-Derived Gases: A Case Study of Paleozoic Gases in the Southern Ordos Basin, China
Figure 1
(a) Maturity map of the upper Paleozoic strata of the Ordos Basin, with sample locations labelled by well name (after [16]); (b) stratigraphic column of the Paleozoic strata of the Ordos Basin (after [16]); (c) cross section for Ordos Basin (after [16]).
