Tabular data for petrophysical characteristics and secondary-pore development in Huoshiling Formation volcanic tight-gas reservoirs, Dehui Fault Depression, southern Songliao Basin

This dataset contains selected tabular data supporting the study “Petrophysical characteristics and origin of secondary pore within tight gas reservoirs of the Huoshiling Formation volcanics, Dehui Fault Depression, southern Songliao Basin.” The dataset includes lithology statistics by well, petrophysical measurements of porosity and permeability, pore-type proportions for different volcanic lithologies, and a depth–porosity profile with interpreted volcanic eruption-stage boundaries. All data are provided in a self-contained Excel workbook that includes a README and data dictionary. Missing values are retained as blank cells, and no outlier removal, interpolation, or imputation was applied.