The article discusses the issue dedicated to increasing the effectiveness of the formation hydraulic fracturing (FHF) implemented for the Achimov deposits, Urengoyskoe field, in the conditions of abnormal reservoir pressures. Based on the experience in FHF operations gained in the fields of West Siberia it is proposed to apply as a proppant the non-radioactive marked agent. It is shown that the offered NR proppant technology has proved to be a new and effective tool for estimation of the FHF

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... cture geometry, as well as a safe means due to absence of the radiation source together with the technological process simplicity and precision of the data obtained.