Neftyanaya Provintsiya
electronic peer-reviewed scholarly publication
Neftyanaya provintsiya No. 2(46), 2026

Analysis of factors affecting the reliability of electric submersible pumps based on operational monitoring

A.A. Salimgaraev, R.R. Kadyrov, O.V. Denisov, I.G. Fattakhov
DOI: https://doi.org/10.25689/NP.2026.2.204-218

Abstract


This paper presents the results of an analysis of operational data from a collection of over 200 wells equipped with electric submersible pumps (ESPs). The aim of the study was to identify and rank key process and geological-physical factors that have the greatest impact on equipment failure rates and time between repairs. Statistical analysis revealed that the primary destabilizing factors include high water cut, elevated solids content, and wellbore complications. Parameters such as fluid flow rate, pump depth, and the presence of a frequency converter are shown to have a less pronounced impact than the quality of the pumped fluid. The study's results allow us to prioritize optimization of operating modes and planning preventive measures aimed at improving the reliability of downhole equipment.

Key words:

ESP, reliability, failure rate, operational factors, water cut, mechanical impurities, data analysis, repair

References

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Authors

A.A. Salimgaraev, Head of Project Management, Rimera JSC
40 Bolshoy Boulevard, Skolkovo Innovation Center, Moscow, 121205, Russian Federation
Email: Alb9314@gmail.com

R.R. Kadyrov, Doctor of Technical Sciences, Associate Professor, TatNIPIneft Institute – PJSC Tatneft
186A Sovetskaya St., Almetyevsk, 423462, Russian Federation
E-mail: i-fattakhov@rambler.ru

O.V. Denisov, Ph.D. (Engineering), Lead Programmer of Tatitneft LLC
2 Lenin Str., Almetyevsk, 423450, Russian Federation
Associate Professor of the Department of ME&IT, Leninogorsk Branch of Kazan National Research Technical University named after A.N. Tupolev-KAI
22 Lenin Ave., Leninogorsk, 423250, Russian Federation
E-mail: dorv@mail.ru

I.G. Fattakhov, Ph.D. (Engineering), Director of Enhanced Oil Recovery, Wave and Biotechnology, TatNIPIneft Institute – PJSC Tatneft
186A Sovetskaya St., Almetyevsk, 423462, Russian Federation
E-mail: i-fattakhov@rambler.ru

For citation:

A.A. Salimgaraev, R.R. Kadyrov, O.V. Denisov, I.G. Fattakhov Analiz faktorov, vliyayushchih na nadezhnost' ekspluatacii EUCN, na osnove dannyh ekspluatacionnogo monitoringa [Analysis of factors affecting the reliability of electric submersible pumps based on operational monitoring]. Neftyanaya Provintsiya, No. 2(46), 2026. pp. 204-218. DOI https://doi.org/10.25689/NP.2026.2.204-218. EDN NNROOG (in Russian)

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