“…These data, obtained along the Tatsays geotraverse, which crossed the entire Volga-Ural province, allowed V.A. Trofimov set "new criteria for the interpretation of seismic data, which, combined with the results of other methods, make it possible to assess the prospects of large tectonic elements, small sections and local objects, as well as to purposefully determine the prospects for deep-seated horizons" [7,8,9]. Apparently, the identification of migration channels and possible fluid backlash, which together can serve as a search sign of a reservoir provided that fluids come from below, up to the level of the upper mantle, are among these "criteria".…”