The composition of dispersed gas in the permafrost zone of Western Siberia characterized by the heterogeneity of the distribution of hydrocarbon and non-hydrocarbon components both over the area and along the section. This work carried out to assess the influence of the lithological composition on the following indicators: methane and its homologues, olefins and hydrogen. The analysis is based on a chromatographic analysis of 199 samples taken from 6 wells. A latitudinal well profile selected to capture as much diversity in lithology as possible within the work area. Samples taken at a site located within a multi-layer gas condensate field in the Nadymsky district of the Yamalo-Nenets Autonomous Okrug in the zone of continuous permafrost (PFR). To minimize the influence of external factors on the data obtained, a shallow well core used for the study, which underwent degassing and further chromatographic analysis to determine hydrocarbon components from C1 to C8, as well as non-hydrocarbon gases: hydrogen, carbon dioxide and helium. The work based on the results on hydrogen, olefins, methane and its homologues up to C7. Correlation schemes built based on the lithological composition, and then on the content of individual components in the wells, an inter-well correlation made with the distribution of indicators. As a result, it turned out that almost always at the boundary of lithological differences, the gas content values decrease, and the drop in values at the boundaries of layers of different composition does not affect the distribution of components within individual layers, that is, they do not accumulate in a significant amount, this phenomenon does not fall under the concept "geochemical barrier" in connection with which the concept of "geochemical screen" is proposed.