On the issue of corrosion in the operation of oil and gas wells

The problem of leakage production strings in production and injection wells is becoming more and more urgent every year in Russia’s fields. As a result, the water encroachment of produced products increases, and as a result, the operation of wells becomes unprofitable. The main reasons for the leaka...

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Main Authors: Luibimova Svetlana, Khuzina Lilia
Format: Article
Language:English
Published: EDP Sciences 2021-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/01/e3sconf_corrosion2020_03006.pdf
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author Luibimova Svetlana
Khuzina Lilia
author_facet Luibimova Svetlana
Khuzina Lilia
author_sort Luibimova Svetlana
collection DOAJ
description The problem of leakage production strings in production and injection wells is becoming more and more urgent every year in Russia’s fields. As a result, the water encroachment of produced products increases, and as a result, the operation of wells becomes unprofitable. The main reasons for the leakage of wells are aging of well stock, poor quality cementation during final works during drilling, corrosion processes in places where aquifers come into contact with the string, killing of wells at pressures higher than the pressure of pressing, depressurization in coupling joints, metal corrosion and other technological reasons. Identification of factors affecting the deformation of production strings in the process of well corrosion is necessary and important, as it is taken into account in the development of measures to increase the accident-free operation of wells. 725 wells of PJSC TATNEFT were analyzed in this work. The analysis revealed that one of the reasons for the corrosion of production strings is the presence of lost circulation horizons, which confirms the analysis.
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spelling doaj.art-5141ffb49dfe48f2bca2459b349a600d2022-12-21T22:26:01ZengEDP SciencesE3S Web of Conferences2267-12422021-01-012250300610.1051/e3sconf/202122503006e3sconf_corrosion2020_03006On the issue of corrosion in the operation of oil and gas wellsLuibimova Svetlana0Khuzina Lilia1Almetyevsk State Oil InstituteAlmetyevsk State Oil InstituteThe problem of leakage production strings in production and injection wells is becoming more and more urgent every year in Russia’s fields. As a result, the water encroachment of produced products increases, and as a result, the operation of wells becomes unprofitable. The main reasons for the leakage of wells are aging of well stock, poor quality cementation during final works during drilling, corrosion processes in places where aquifers come into contact with the string, killing of wells at pressures higher than the pressure of pressing, depressurization in coupling joints, metal corrosion and other technological reasons. Identification of factors affecting the deformation of production strings in the process of well corrosion is necessary and important, as it is taken into account in the development of measures to increase the accident-free operation of wells. 725 wells of PJSC TATNEFT were analyzed in this work. The analysis revealed that one of the reasons for the corrosion of production strings is the presence of lost circulation horizons, which confirms the analysis.https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/01/e3sconf_corrosion2020_03006.pdf
spellingShingle Luibimova Svetlana
Khuzina Lilia
On the issue of corrosion in the operation of oil and gas wells
E3S Web of Conferences
title On the issue of corrosion in the operation of oil and gas wells
title_full On the issue of corrosion in the operation of oil and gas wells
title_fullStr On the issue of corrosion in the operation of oil and gas wells
title_full_unstemmed On the issue of corrosion in the operation of oil and gas wells
title_short On the issue of corrosion in the operation of oil and gas wells
title_sort on the issue of corrosion in the operation of oil and gas wells
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/01/e3sconf_corrosion2020_03006.pdf
work_keys_str_mv AT luibimovasvetlana ontheissueofcorrosionintheoperationofoilandgaswells
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