georesГеоресурсыGeoresources1608-50431608-5078Georesursy LLC10.18599/grs.2024.3.23geores-343Research ArticleГЕОЛОГО-ГЕОХИМИЧЕСКИЕ ИССЛЕДОВАНИЯ, ПОИСК, РАЗВЕДКА И РАЗРАБОТКА МЕСТОРОЖДЕНИЙ УГЛЕВОДОРОДОВGEOLOGICAL-GEOCHEMICAL RESEARCH, PROSPECTING, EXPLORATION AND DEVELOPMENT OF HYDROCARBON FIELDSПрогнозирование вязкостно-температурной зависимости смеси нефтей по информации об их плотности, содержании парафина, смол, асфальтенов и фракционном составеPrediction of the Viscosity-Temperature Dependence of a Mixture of Oils Based on Information about the Density, Content of Paraffin, Resins, Asphaltenes and Fractional CompositionВалеевА. Р.ValeevA. R.

Анвар Рашитович Валеев – доктор тех. наук, профессор кафедры «Транспорт и хранение нефти и газа»

450064, Уфа, ул. Космонавтов, д. 1

Anvar R. Valeev – Dr. Sci. (Engineering), Professor of the Department of Oil and Gas Transportation and Storage

Kosmonavtov st., Ufa, 450064

anv-v@yandex.ruТашбулатовР. Р.TashbulatovR. R.

Радмир Расулевич Ташбулатов – кандидат тех. наук, доцент кафедры «Транспорт и хранение нефти и газа»

450064, Уфа, ул. Космонавтов, д. 1

Radmir R. Tashbulatov – Cand. Sci. (Engineering), Associate Professor of the Department of Transportation and Storage of Oil and Gas

1 Kosmonavtov st., Ufa, 450064

tashbulatovradmir@gmail.comЧэньЯ.ChenY.

Чень Ян – кандидат тех. наук, Ph.D., доцент кафедры «Транспорт и хранение нефти и газа»

610500, Провинция Сычуань, Чэнду, ул. Щинду, д. 8

Yang Chen – Cand. Sci. (Engineering), Ph.D., Associate Professor of the Department of Transportation and Storage of Oil and Gas

8 Shchindu str., Chengdu, Sichuan Province, 610500

doctorchenyang@foxmail.comКаримовР. М.KarimovR. M.

Ринат Маратович Каримов – кандидат тех. наук, доцент кафедры «Транспорт и хранение нефти и газа»

450064, Уфа, ул. Космонавтов, д. 1

Rinat M. Karimov – Cand. Sci. (Engineering), Associate Professor of the Department of Oil and Gas Transportation and Storage

1 Kosmonavtov str., Ufa, 450064

karimov_rinat@mail.ruУфимский государственный нефтяной технический университетРоссияUfa State Petroleum Technical UniversityRussian FederationЮго-западный нефтяной университетКитайSouthwest Petroleum UniversityChinaУфимский государственный нефтяной технический университетРоссияSouthwest Petroleum UniversityRussian Federation202430092024263232239Copyright © Валеев А.Р., Ташбулатов Р.Р., Чэнь Я., Каримов Р.М., 20242024Валеев А.Р., Ташбулатов Р.Р., Чэнь Я., Каримов Р.М.Valeev A.R., Tashbulatov R.R., Chen Y., Karimov R.M.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/343

Предложен новый способ прогнозирования вязкостно-температурных характеристик смесей нефтей различных месторождений, непрерывно образующихся в процессе выполнения технологических операций при их сборе, транспорте и переработке в разветвленных трубопроводных системах. Основная идея заключается в определении корреляционной зависимости вязкости нефти от других ее физико-химических свойств, которые при смешении нефтей поддаются аддитивному расчету. Такими параметрами являются плотность, содержание высокомолекулярных соединений, их фракционный состав и т.п. По корреляционной зависимости можно оценить значение вязкости смеси после определения расчетным способом ее аддитивных физико-химических свойств. По известным характеристикам нефтей подобраны и проанализированы различные регрессии первого и второго рода с целью построения уравнений для определения вязкости при температурах 10 °С, 20 °С, 30 °С, 40 °С, 50 °С в зависимости от указанных аддитивных параметров. Предложен также способ определения вязкостно-температурной зависимости нефти на основе уравнения Рейнольдса – Филонова. Полученные погрешности определения вязкости являются допустимыми для выполнения предварительных прогнозных расчетов энергопотребления перекачки при планировании грузопотоков нефтей различных месторождений по разветвленной трубопроводной системе.

The article is devoted to the problem of predicting the viscosity of an oil mixture. Viscosity is an important characteristic of oil when calculating pressure losses due to friction when moving in a well, through field pipelines, through a network of main oil pipelines. In the presence of a complex branched network of pipelines and the flow of oil from various wells and fields in the condition of constantly changing production flow rates, a large number of mixture variants can be formed. Laboratory determination of viscosity for each theoretically possible mixture is practically difficult to implement, therefore, it is promising to determine the viscosity of the mixture by a computational method based on parameters amenable to additivity. Such parameters can be density, component composition and its derivatives, such as the content of paraffins, resins, asphaltenes, and fractional composition. The article analyzes various regressions of the first and second kind to obtain equations for determining viscosity depending on the mentioned parameters. A model is being developed to predict the viscosity-temperature dependence of an oil mixture based on information on density, paraffin content, resins, asphaltenes and fractional composition. The results can be applied to the calculation of field and trunk oil pipeline networks.

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