tumnigИзвестия высших учебных заведений. Нефть и газOil and Gas Studies0445-01083033-8174Industrial University of Tyumen10.31660/0445-0108-2020-6-131-143tumnig-878Research ArticleХИМИЯ И ХИМИЧЕСКИЕ ТЕХНОЛОГИИCHEMISTRY AND CHEMICAL TECHNOLOGIESОпределение остаточной нефтенасыщенности методом разделяющихся трассеров в лабораторных условияхHydrocarbon saturation determination with the single-well-chemical-tracer-test under laboratory conditionsКорякинФ. А.KoryakinF. A.

Корякин Фёдор Андреевич, аспирант кафедры органической и экологической химии

Fyodor A. Koryakin, Postgraduate at the Department of Organic and Ecological Chemistry

f19d5@mail.ruТретьяковН. Ю.TretyakovN. Yu.

Третьяков Николай Юрьевич, к. х. н., доцент, директор Центра коллективного пользования «Рациональное природопользование и физико-химические исследования»

Nikolay Yu. Tretyakov, Candidate of Chemistry, Associate Professor, Director of CCU "Chemical Analysis and Substance Identification"

АбдуллаО. Б.AbdullaO. B.

Абдулла Осман Бырмагамбетович, аспирант кафедры органической и экологической химии

Osman B. Abdulla, Postgraduate at the Department of Organic and Ecological Chemistry

ФилипповВ. Г.FilippovV. G.

Филиппов Виталий Григорьевич, магистр кафедры органической и экологической химии

Vitaliy G. Filippov, Master Student at the Department of Organic and Ecological Chemistry

Тюменский государственный университетРоссияUniversity of TyumenRussian Federation20201401202106131143Copyright © Корякин Ф.А., Третьяков Н.Ю., Абдулла О.Б., Филиппов В.Г., 20212021Корякин Ф.А., Третьяков Н.Ю., Абдулла О.Б., Филиппов В.Г.Koryakin F.A., Tretyakov N.Y., Abdulla O.B., Filippov V.G.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://tumnig.tyuiu.ru/jour/article/view/878

На данный момент доля трудноизвлекаемых запасов (ТРИЗ) становится больше, и для поддержания добычи нефти на необходимом уровне необходимо либо вовлекать в разработку ТРИЗ, либо увеличивать эффективность добычи нефти на текущих активах при помощи методов увеличения нефтеотдачи (МУН). Об эффективности МУН можно судить по снижению остаточной нефтенасыщенности. Для оценки нефтенасыщенности до и после применения МУН в последнее время все чаще используется метод разделяющихся трассеров. Для интерпретации таких исследований рекомендуется использовать гидродинамическое моделирование. Определение нефтенасыщенности производилось путем интерпретации трассерных исследований при помощи гидродинамического симулятора (CMG STARS). С помощью моделирования удалось уточнить константы распределения трассеров, а также удалось воспроизвести эксперименты на насыпном керне. Интерпретируемая величина нефтенасыщенности согласуется с фактической нефтенасыщенностью керна. В общем и целом трассерные исследования как метод определения нефтенасыщенности показывают хорошие результаты. Метод является перспективным для оценки эффективности МУН.

Nowadays the share of hard-to-recover reserves is growing, and to maintain oil production on necessarily level, we need to involve hard-to-recover reserves or to increase oil production efficiency on a brownfields due to enhanced oil recovery. The efficiency of enhanced oil recovery can be estimated by oil saturation reduction. Single-well-chemical-tracer-test (SWCTT) is increasingly used to estimate oil saturation before and after enhanced oil recovery application. To interpret results of SWCTT, reservoir simulation is recommended. Oil saturation has been calculated by SWCTT interpretation with use of reservoir simulator (CMG STARS). Distribution constants has been corrected due to results of real core sample model, and core tests has been successfully simulated. Obtained values of oil saturation corresponds with real oil saturation of samples. Thus, SWCTT as a method of oil saturation estimation shows good results. This method is promising for enhanced oil recovery efficiency estimation.

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The authors declare that there are no conflicts of interest present.