Abstract

The CH4 adsorption characteristics of shale from different basins was studied based on determination of mineral compositions, Rock-eval pyrolysis parameters and CH4 gas adsorption isotherms. The results show that TOC contents, contents of quartz and maturity stage of shale can influence the CH4 adsorption capacity. Whereas, the results show that there exists unobvious relationships between CH4 adsorption capacity and the contents of clay and carbonate materials can be obtained in this study.

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