georesГеоресурсыGeoresources1608-50431608-5078Georesursy LLC10.18599/grs.2023.4.6geores-11Research ArticleСТАТЬИRESEARCH ARTICLESПотенциал повышения эффективности заводнения на залежах нефти в карбонатных отложениях на месторождениях Республики Татарстан на основе ионно модифицированной водыPotential for improving the efficiency of carbonate oil deposits waterflooding with the use of controlled salinity technology (Smart water) at fields of Tatarstan RepublicСаптароваЗ. Р.SaptarovaZ. R.

Залина Ринатовна Саптарова – инженер, НОЦ «Моделирование ТРИЗ»

420008, Казань, ул. Большая Красная, д. 4

Zalina R. Saptarova – Engineer, Hard-to-Recover  Reserves Simulation Research and Educational Center,  Institute of Geology and Petroleum Technology

4 Bolshaya Krasnaya str., Kazan, 420111

saptarovazalina@yandex.ruМамоновА. А.MamonovA. A.

Александр Артурович Мамонов – научный сотрудник

Ставангер, 4033

Alexander A. Mamonov – Researcher, University of Stavanger

Norway, Stavanger, 4033

УсмановС. А.UsmanovS. A.

Сергей Анатольевич Усманов – старший преподаватель, Институт геологии и нефтегазовых  технологий

420008, Казань, ул. Большая Красная, д. 4

Sergey A. Usmanov – Deputy Director, Hard-to-Recover Reserves Simulation Research and Educational Center,  Institute of Geology and Petroleum Technology

4 Bolshaya Krasnaya str., Kazan, 420111

ЛутфуллинА. А.LutfullinA. A.

Азат Абузарович Лутфуллин – кандидат техн. наук, заместитель начальника департамента разработки  месторождений

423450, Альметьевск, ул. Ленина, д. 75

Azat A. Lutfullin – Cand. Sci. (Engineering), Deputy Head of the Department of Field Development

75 Lenin st., Almetyevsk, 423450

СудаковВ. А.SudakovV. A.

Владислав Анатольевич Судаков – директор, НОЦ «Моделирование ТРИЗ», заместитель директора по  инновационной деятельности, Институт геологии и нефтегазовых технологий

420008, Казань, ул. Кремлевская, д. 18

Vladislav A. Sudakov – Deputy Director of the Institute for Innovations, Director of Hard-to-Recover Reserves Simulation Research and Educational Center, Institute of Geology and Petroleum Technology

4 Bolshaya Krasnaya str., Kazan, 420111

ШипаеваМ. С.ShipaevaM. S.

Мария Сергеевна Шипаева – технический директор;

инженер, НОЦ «Моделирование ТРИЗ»

420008, Казань, ул. Большая Красная, д. 4

Maria S. Shipaeva – Technical Director, Geoindikator LLC;Engineer, Hard-to-Recover Reserves Simulation Research and Educational Center, Institute of Geology and Petroleum Technology

4 Bolshaya Krasnaya str., Kazan, 420111

ШакировА. А.ShakirovA. A.

Артур Альбертович Шакиров – генеральный директор;

заместитель директора, НОЦ «Моделирование ТРИЗ»

420008, Казань, ул. Большая Красная, д. 4

Artur A. Shakirov – General Director, Geoindikator JSC; Deputy Director, Hard-to-Recover Reserves Simulation Research and Educational Center, Institute of Geology and Petroleum Technology

4 Bolshaya Krasnaya str., Kazan, 420111

СитновС. А.SitnovS. A.

Сергей Андреевич Ситнов – кандидат хим. наук, старший научный сотрудник, Институт геологии и  нефтегазовых технологий

420008, Казань, ул. Большая Красная, д. 4 

Sergey A. Sitnov – Cand. Sci. (Chemistry), Senior Research Assistant, Institute of Geology and Petroleum Technology

29, build. 1, Kremlevskaya st., Kazan, 420008

ДеревянкоВ. К.DerevyankoV. A.

Вадим Константинович Деревянко – инженер, Институт геологии и нефтегазовых технологий

420008, Казань, ул. Большая Красная, д. 4

Vadim K. Derevyanko – Engineer, Institute of Geology and Petroleum Technology

4 Bolshaya Krasnaya str., Kazan, 420111

Казанский (Приволжский) федеральный университетРоссияKazan Federal UniversityRussian FederationУниверситет СтавангераНорвегияUniversity of StavangerNorwayПАО «Татнефть»РоссияTatneft PJSCRussian FederationКазанский (Приволжский) федеральный университет; ООО «Геоиндикатор»РоссияKazan Federal University; Geoindiсator LLCRussian Federation20232803202425492105Copyright © Саптарова З.Р., Мамонов А.А., Усманов С.А., Лутфуллин А.А., Судаков В.А., Шипаева М.С., Шакиров А.А., Ситнов С.А., Деревянко В.К., 20242024Саптарова З.Р., Мамонов А.А., Усманов С.А., Лутфуллин А.А., Судаков В.А., Шипаева М.С., Шакиров А.А., Ситнов С.А., Деревянко В.К.Saptarova Z.R., Mamonov A.A., Usmanov S.A., Lutfullin A.A., Sudakov V.A., Shipaeva M.S., Shakirov A.A., Sitnov S.A., Derevyanko V.A.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/11

В статье представлен обзор по технологии ионно-модифицированного заводнения (low salinity, controlled salinity, Smart water), на сегодняшний день рассматриваемой в качестве одной из перспективных в области разработки залежей нефти в карбонатных коллекторах ввиду ее экономической эффективности и экологической безопасности. Рассмотрены основные механизмы и процессы, лежащие в основе технологии, а также представлены результаты лабораторных исследований, проведенных на керне зарубежных месторождений. Приведены результаты лабораторных исследований, включающие измерение краевого угла смачиваемости и фильтрационные эксперименты на образцах керна залежи нефти в карбонатных коллекторах восточного борта Мелекесской впадины Республики Татарстан. Рассматриваемые в настоящей статье верейские отложения представляют собой неклассический пример объекта испытания для закачки ионно-модифицированной воды, поскольку отличаются низкой пластовой температурой (23 °С), при которой эффективность технологии должна быть заведомо невысокой, в то время как основные исследования за рубежом были проведены для объектов со значительно большими пластовыми температурами. Однако, как показал ряд проведенных исследований, нахождение породы продолжительное время в контакте с ионно-модифицированной водой способствует значительной гидрофилизации ее поверхности, что подтверждается замерами краевого угла смачиваемости. При замере на образцах величина угла составляет порядка 138,3°, а после выдерживания его в ионно-модифицированной воде – 53,45°. Проведение фильтрационного эксперимента показало небольшой прирост коэффициента вытеснения нефти, который составил 9,2%.Полученные результаты показывают наличие потенциала к повышению нефтеотдачи при закачке Smart water в верейские отложения, хоть и требуют дальнейших исследований для подтверждения механизма воздействия.

The article provides an overview of ionmodified waterflooding technology, also known as low salinity, controlled salinity, or Smart water. This technology is currently considered one of the most promising approaches in the development of oil deposits in carbonate reservoirs due to its economic efficiency and environmental safety.The article discusses the main mechanisms and processes underlying ion-modified waterflooding and presents the results of laboratory studies conducted on core samples from foreign oil deposits. It includes an analysis of several studies, including contact angle measurements and core flooding experiments on core samples from oil deposits in carbonate reservoirs on the eastern side of the Melekess depression in the Republic of Tatarstan.It is important to note that the Vereyian deposits explored in this article are not a typical example of test objects for ion-modified water injection. This is because they are characterized by a low reservoir temperature of 23 °C, which suggests that the efficiency of the technology would likely be lower compared to studies conducted abroad, where reservoir temperatures were significantly higher. For example, Darvish Sarvestani et al. studied reservoir conditions at 90 °C, Yousef et al. – reservoir temperature of 100 °C, and Austad et al. examined the Ekofisk field at 130 °C and the Volhall field at 90 °C in Norway.However, as several studies have indicated, prolonged contact between rock samples and ion-modified water contributes to significant hydrophilization of the rock surface, as confirmed by contact angle measurements. The contact angle decreases from approximately 138.3° to 53.45° after exposure to ion-modified water.Additionally, the core flooding experiment demonstrated a slight increase in the oil displacement coefficient, reaching 9.2%.These findings suggest the potential for enhanced oil recovery by injecting Smart water into the Vereyian sediments, although further research is required to confirm the underlying mechanism.

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