Comprehensive Use of Electrical Inverse Lateral and Radioactive Logging for Strata Properties Investigation in Cased Wells
Orinbaev B. Ratov B. Khomenko V. Tileuberdi N. Khayitov O. Umirzokov A. Seidaliyev A. Makyzhanova A. Kuttybayev A. Zahrytsenko A. Kamyshatskyi O.
2025Engineered Science Publisher
ES Materials and Manufacturing
2025#27
This paper discusses the technology of combined use of electrical inverse lateral logging (EILL) and radioactive logging methods in cased wells for studying the physical properties of reservoirs, evaluating collector saturation, and improving the accuracy of geophysical interpretation. The application of these technologies to wells in the Shymoliy Berdak, Inam, and Tillali fields in the Ustyurt oil and gas region is outlined. Using examples of complex sections with hard-to-recover hydrocarbon reserves, it is demonstrated that traditional geophysical methods, such as neutron-neutron logging, are insufficient for accurately assessing geological and geophysical characteristics. To address this, a comprehensive approach combining EILL with neutron-neutron logging (2NNL), spectral gamma logging (SGL), and neutron gamma logging (NGL) methods was used. These methods provided precise data on collector and non-collector properties, as well as gas and water saturation of productive layers at significant distances from the wellbore. EILL technology minimizes errors associated with traditional methods and delivers reliable data for diagnosing hydrocarbon reservoir conditions. Data interpretation, carried out using standard techniques, enabled detailed analysis and recommendations for further well operation. The integrated technology significantly improved geophysical interpretation quality, facilitating effective well development and achieving industrial gas inflow.
Electrical inverse lateral logging , Hard-to-recover reserves , Radioactive logging , Ustyurt region , Well logging
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Ustyurt Gas Production Department, JSC “Uzbekneftegaz”, Kungrad, 230601, Uzbekistan
Department of Geophysics and Seismology, Satbayev University, Almaty, 050013, Kazakhstan
Oil and Gas Engineering and Drilling Department, Dnipro University of Technology, Dnipro, 49005, Ukraine
Department of Hydrogeology, Engineering and Oil and Gas Geology, Satbayev University, Almaty, 050013, Kazakhstan
Department of Mining, Tashkent State Technical University named after Islam Karimov, Tashkent, 700095, Uzbekistan
Vice President for Research and Development, Yessenov University, Aktau, 130000, Kazakhstan
Geology and Oil-gas Business Institute named after K. Turyssov, Satbayev University, Almaty, 050013, Kazakhstan
Department of Mining, Satbayev University, Almaty, 050013, Kazakhstan
Department of Hydrogeology and Engineering Geology, Dnipro University of Technology, Dnipro, 49005, Ukraine
Mining Equipment Plant Tehpostavka LLC, Dnipro, 49000, Ukraine
Ustyurt Gas Production Department
Department of Geophysics and Seismology
Oil and Gas Engineering and Drilling Department
Department of Hydrogeology
Department of Mining
Vice President for Research and Development
Geology and Oil-gas Business Institute named after K. Turyssov
Department of Mining
Department of Hydrogeology and Engineering Geology
Mining Equipment Plant Tehpostavka LLC
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