support from Enterprise Innovation and Development Joint Fund of National Natural Science Foundation of China"Enrichment regularity and development mechanism of deep marine shale gas(U19B600303)";SINOPEC Science and Technology Department Project"Research on Precision Characterization of Shale Pore and Fluid Dynamic Monitoring Technology(P20059-8)"。
Developing mathematical models for high Knudsen number(Kn)flow for isotopic gas fractionation in tight sedimentary rocks is still challenging.In this study,carbon isotopic reversals(δ^(13)C_(1)>δ^(13)C_(2))were foun...