georesГеоресурсыGeoresources1608-50431608-5078Georesursy LLC10.18599/grs.2024.4.22geores-430Research ArticleПОИСК, РАЗВЕДКА И РАЗРАБОТКА МЕСТОРОЖДЕНИЙ УГЛЕВОДОРОДОВ, ИССЛЕДОВАНИЕ КОЛЛЕКТОРОВPROSPECTING, EXPLORATION AND DEVELOPMENT OF HYDROCARBON DEPOSITS, RESERVOIR PROPERTIES STUDYВозможности метода ядерного магнитного резонанса для оценки эффективности мероприятий по увеличению нефтеотдачиApplication of NMR Method to Assess the Efficiency of Enhanced Oil Recovery MeasuresДвояшкинН. К.DvoyashkinN. K.

Нариман Камилович Двояшкин – доктор физ.-мат. наук, заведующий кафедрой физики и химии.

423462, Альметьевск, ул. Ленина, д. 2

Nariman K. Dvoyashkin – Dr. Sci. (Physics and Mathematics), Head of the Department of Physics and Chemistry, Almetyevsk State Technological University “Petroleum High School”

2 Lenina st., Almetyevsk, 423462

nar_dvoyashkinnk@mail.ruМельниковаД. Л.MelnikovaD. L.

Дарья Леонидовна Мельникова – кандидат физ.-мат. наук, доцент кафедры физики молекулярных систем Института физики.

420044, Казань, Кремлевская, д. 16А

Darya L. Melnikova – Cand. Sci. (Physics and Mathematics), Associate Professor, Department of Physics of Molecular Systems, Institute of Physics, Kazan Federal University

16A Kremlevskaya st., Kazan, 420044

melndaria@gmail.comИвановД. С.IvanovD. S.

Дмитрий Сергеевич Иванов – кандидат физ.-мат. наук, доцент кафедры физики молекулярных систем Института физики.

420044, Казань, Кремлевская, д. 16А

Dmitry S. Ivanov – Cand. Sci. (Physics and Mathematics), Associate Professor, Department of Molecular Systems Physics, Institute of Physics, Kazan Federal University

16A Kremlevskaya st., Kazan, 420044

f.ma.dima@mail.ruАлександровА. С.AleksandrovA. S.

Артём Сергеевич Александров – кандидат тех. наук, доцент кафедры физики молекулярных систем Института физики.

420044, Казань, Кремлевская, д. 16А

Artem S. Alexandrov – Cand. Sci. (Technical Sciences), Associate Professor, Department of Molecular Systems Physics, Institute of Physics, Kazan Federal University

16A Kremlevskaya st., Kazan, 420044

artem.s.alexandrov@yandex.ruСкирдаВ. Д.SkirdaV. D.

Владимир Дмитриевич Скирда – доктор физ.-мат. наук, заведующий кафедрой физики молекулярных систем Института физики.

420044, Казань, Кремлевская, д. 16А

Vladimir D. Skirda – Dr. Sci. (Physics and Mathematics), Head of the Department of Physics of Molecular Systems, Institute of Physics, Kazan Federal University

16A Kremlevskaya st., Kazan, 420044

kazanvs@mail.ruШуматбаевК. Д.ShumatbayevK. D.

Кирилл Дмитриевич Шуматбаев – кандидат геол.минерал. наук, главный эксперт по петрофизическим исследованиям, Департамент разработки месторождений.

423450, Альметьевск, ул. Ленина, д. 75

Kirill D. Shumatbayev – Cand. Sci. (Geology and Minerology), Deputy Head of Field Development Department, Tatneft-Dobycha Tatneft PJSC

75 Lenin st., Almetyevsk, 423462

Shumatbaevkd@tatneft.ruКурбановА. Д.KurbanovA. D.

Ахмадали Джалилович Курбанов – заместитель начальника отдела МУН УГТМ.

423462, Альметьевск, Тельмана, д. 88

Akhmadali J. Kurbanov – deputy head of the department of eor Management of geological and technical activities, Tatneft-Dobycha Tatneft PJSC

75 Lenin st., Almetyevsk, 423462

torn_pn@tatneft.ruАльметьевский государственный технологический университет «Высшая школа нефти»РоссияAlmetyevsk State Technological University “Petroleum High School”Russian FederationКазанский (Приволжский) федеральный университетРоссияKazan Federal UniversityRussian FederationСП «Татнефть-Добыча»РоссияTatneft-Dobycha Tatneft PJSCRussian Federation202430122024264229236Copyright © Двояшкин Н.К., Мельникова Д.Л., Иванов Д.С., Александров А.С., Скирда В.Д., Шуматбаев К.Д., Курбанов А.Д., 20242024Двояшкин Н.К., Мельникова Д.Л., Иванов Д.С., Александров А.С., Скирда В.Д., Шуматбаев К.Д., Курбанов А.Д.Dvoyashkin N.K., Melnikova D.L., Ivanov D.S., Aleksandrov A.S., Skirda V.D., Shumatbayev K.D., Kurbanov A.D.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.geors.ru/jour/article/view/430

В работе представлены результаты исследования методом ядерного магнитного резонанса (ЯМР) образцов нефти, отобранных из добывающих скважин с месторождений республики Татарстан до и после применения одного из методов увеличения нефтеотдачи (МУН) – технологии потокоотклонения, основанной на закачке в нагнетательные скважины микрогелевых составов. Проведен сравнительный анализ протонных спектров ЯМР и диффузионных затуханий спинового эха в спектрально разрешенном режиме с целью определения влияния использованной технологии на характеристики извлекаемой нефти. Показано, что после применения МУН для большинства скважин в составе нефти регистрируется увеличение доли углеводородных компонент с большими значениями молекулярной массы, а для ряда скважин зафиксировано также изменение степени ароматичности извлекаемых углеводородов. Полученные результаты трактуются как следствие включения в разработку новых зон пласта, ранее не вовлеченных в нефтедобычу, и демонстрируют возможности метода ЯМР для оценки эффективности МУН.

The paper presents the results of nuclear magnetic resonance (NMR) study of oil samples taken from production wells from the fields of the Republic of Tatarstan before and after the application of one of the enhanced oil recovery (EOR) methods, namely, flow rejection technology based on injection of microgel compositions into injection wells. A comparative analysis of proton NMR spectra and diffusion attenuation of spin echo in spectrally resolved mode was carried out in order to determine the influence of the used technology on the characteristics of recoverable oil. It is shown that after application of EOR for the majority of wells in the oil composition an increase in the share of hydrocarbon components with large values of molecular weight is registered, and for a number of wells a change in the degree of aromaticity of recoverable hydrocarbons is also recorded. The results obtained are interpreted as a consequence of the inclusion in the development of new reservoir zones, previously not involved in oil production, and demonstrate the potential of NMR method for assessing the efficiency of EOR.

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