To date, in regions with a high degree of exploration maturity, the issue of prospecting and exploration of hydrocarbon deposits is relevant with a more detailed account of the accumulated data. In the context of increasing search for the oil and gas field on the territory of the Perm region, the creation of more advanced models for forecasting the oil and gas potential of local small-size structures is gaining more and more economic importance. The territories have accumulated a certain amount of actual material on local structures both containing hydrocarbon deposits, and on those structures where exploratory drilling is carried out, but hydrocarbon deposits are not open. This statistical material develops a forecasting methodology for oil and gas bearing by constructing probabilistic statistical models not only according to the traditional criteria for forecasting oil and gas, but also on new criteria. In the opinion of the authors, with the use of additional characteristics that take into account the significant complexity of the structure of oil and gas traps, it is possible to solve the forecast problem of oil and gas content more correctly. With the help of the analysis of indicators, those that actually form the oil and gas potential of the structures will be quantified. Based on the results of calculations, probabilistic complex models of oil and gas potential prospects of productive deposits of the Perm Territory will be constructed. With their help, one can assess the prospects of oil and gas content of prepared and identified small-sized uplifts. Note that according to these models, it is possible to rank the prepared and identified structures in terms of the degree of oil and gas potential. Thus, the completed evaluation of the fund of local structures allows to rank the structures according to the degree of their prospects, to single out the priority objects under deep drilling, which will increase the geological and economic efficiency of deep oil exploration drilling.
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