Vol. 7 pp. 95-115

O.M. Mirsaetov, S.B. Kolesova, K.B. Akhmadullin, I.B. Akhmadullin

METHOD OF DETERMINING THE AGGREGATIVE STABILITY OF OIL-WATER EMULSION IN WELL PRODUCTS

Annotation. A review of methods for determining the aggregative stability of oil-water emulsion (water-in-oil emulsion, water-oil emulsion, oil-water sludge) is carried out. It is noted that all known methods of determining the aggregative stability of oil-water emulsion are based on its destruction and study of changes in parameters characterizing the properties of oil-water emulsion. The groups of methods based on the study of changes in parameters characterizing the properties of oil-water emulsion, as well as on the measurement of the content of water released from the emulsion as a result of its stratification are singled out. The advantages and disadvantages of the groups of selected methods are analyzed. The advantages of the methods based on measuring the content of aggregate-unstable and aggregate-stable water are revealed. The generalized structure of the implementation of the process of determining the aggregative stability of oil-water emulsion, which includes sampling, measuring the total proportion of water in the sample containing aggregate-unstable water and aggregate-stable water during its stratification, as well as calculations of the aggregative stability of oil-water emulsion, is proposed. Analysis and generalization of research results of methods of oil-water mixtures destruction by the type of applied energy in determining the content of aggregate-stable water allowed the authors to propose the use of electric fields for stratification of oil-water emulsion, to identify the conditions and parameters of exposure of oil-water emulsion, to develop an experimental setup for determining the number of cycles of exposure of oil-water mixture in water under conditions of water treatment with direct electric current to the formation of the oil-water interface, to propose and substantiate the mechanism of mixture destruction. The possibility of application of the proposed method in the choice of technologies of influence on oil reservoirs for intensification of oil production and increase of oil recovery, as well as for evaluation of efficiency of various oil production technologies and their improvement is shown.

Keywords: aggregative stability, water-oil mixture, oil, oxidation-reduction potential, emulsion.

For citation: Mirsaetov O.M., Kolesova S.B., Akhmadullin K.B., Akhmadullin I.B. [Method of determining the aggregative stability of oil-water emulsion in well products] Upravlenie tekhnosferoi, 2024, vol. 7, issue 1. (In Russ.). Available at: https://technosphere-ing.ru/ рр. 95–115. DOI: 10.34828/UdSU.2024.18.86.008.

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About the Authors

Mirsaetov Oleg Marsimovich

Doctor of Technical Sciences, Professor, M.S. Gutseriev Institute of Oil and Gas, Federal State Budgetary Educational Institution of Higher Education "Udmurt State University", 426034, Universitetskaya str., 1, Izhevsk, Russia.

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Kolesova Svetlana Borisovna

Candidate of Economic Sciences, Associate Professor, Director, M.S. Gutseriev Institute of Oil and Gas, Federal State Budgetary Educational Institution of Higher Education "Udmurt State University", 426034, Universitetskaya str., 1, Izhevsk, Russia.

Akhmadullin Kamil Bulatovich

Associate Professor, M.S. Gutseriev Institute of Oil and Gas, Federal State Budgetary Educational Institution of Higher Education "Udmurt State University", 426034, Universitetskaya str., 1, Izhevsk, Russia. E-mail.ru:Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.

Akhmadullin Ildar Bulatovich

Candidate of Technical Sciences, Associate Professor, M.S. Gutseriev Institute of Oil and Gas, Federal State Budgetary Educational Institution of Higher Education "Udmurt State University", 426034, Universitetskaya str., 1, Izhevsk, Russia.

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