Zorin T.L., S.Yu. Borkhovich

NEW APPROACHES IN TECHNOLOGIES FOR PROTECTING OIL FIELD EQUIPMENT FROM HYDROGEN SULFIDE CORROSION CAUSED BY SULFATE-REDUCING BACTERIA

Annotation. The article addresses one of the most critical issues - ensuring the reliable operation of field equipment. This problem becomes particularly significant due to an increasing number of well failures caused by the corrosive aggressiveness associated with the presence of hydrogen sulfide, carbon dioxide, and sulfate-reducing bacteria (SRB). Special attention is paid to biological corrosion resulting from the use of fresh water in reservoir pressure maintenance systems. The main method for combating SRB is treatment with bactericides; however, this approach is not sufficiently effective due to the need for high dosages and the exceeding of permissible SRB levels in the extracted product. As a new approach to combat hydrogen sulfide corrosion caused by sulfate-reducing bacteria, it is suggested to use thermal treatments and specialized heating devices, including induction well heaters. It is noteworthy that, currently, there is no experience in the Russian Federation in applying thermal methods to combat biocorrosion of oil field equipment. The use of the induction well heater "TermIT-3" is considered, the technical characteristics of which allow effective heating of the extracted product to a temperature at which the activity of SRB ceases, thereby reducing the negative impact of biocorrosion on the equipment. An additional effect of using thermal methods, and in particular the induction heater, is the reduction of the negative influence of other complicating factors affecting oil extraction, such as asphalt-resin-paraffin deposits, formation of highly viscous oil emulsions, and high oil viscosity.

Keywords: sulfate-reducing bacteria (SRB), corrosion, iron sulfide, hydrogen sulfide, biocorrosion control, temperature, thermal methods, heating cable, induction heater.

For citation: Zorin T.L., Borkhovich S.Yu. [New approaches in technologies for protecting oil field equipment from hydrogen sulfide corrosion caused by sulfate-reducing bacteria] Upravlenie tekhnosferoi, 2025 vol. 8, issue 2, рр. 189–204. DOI: 10.35634/UdSU.2025.60.20.004. (In Russ.).

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About the Authors

Zorin Timofey Leonidovich

Master's student, 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: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.

Borkhovich Sergey Yurievich

Head of the Department of Development and Operation of Oil and Gas Fields, Candidate of Technical Sciences, Associate Professor, Federal State Budgetary Educational Institution of Higher Education "Udmurt State University", 426034, Universitetskaya str., 1, Izhevsk, Russia.

E-mail: Адрес электронной почты защищен от спам-ботов. Для просмотра адреса в вашем браузере должен быть включен Javascript.

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