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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">proneft</journal-id><journal-title-group><journal-title xml:lang="ru">PROНЕФТЬ. Профессионально о нефти</journal-title><trans-title-group xml:lang="en"><trans-title>PROneft. Professionally about Oil</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-7399</issn><issn pub-type="epub">2588-0055</issn><publisher><publisher-name>«Газпром нефть»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51890/2587-7399-2023-8-2-40-49</article-id><article-id custom-type="elpub" pub-id-type="custom">proneft-418</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>РАЗРАБОТКА И ЭКСПЛУАТАЦИЯ НЕФТЯНЫХ МЕСТОРОЖДЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DEVELOPMENT AND OPERATION OF OIL FIELDS</subject></subj-group></article-categories><title-group><article-title>Отечественная эластичная самовосстанавливающаяся цементная система как метод предупреждения и борьбы с межколонным давлением и межпластовыми перетоками</article-title><trans-title-group xml:lang="en"><trans-title>Domestic elastic self-healing cement system as a method of preventing and elimination of sustained casing pressure and productive layers overflows</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Денисов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Denisov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иван Вячеславович Денисов — руководитель направления по цементированию</p><p>190000, г. Санкт-Петербург, Набережная реки Мойки, д. 75–79, литер Д</p></bio><bio xml:lang="en"><p>Ivan V. Denisov — Cementing function manager</p><p>75–79 liter D, Moyka river emb., 190000,  Saint Petersburg</p></bio><email xlink:type="simple">Denisov.iv@gazprom-neft.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Губжоков</surname><given-names>В. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Gubzhokov</surname><given-names>V. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виталий Борисович Губжоков — заведующий лабораторией цементирования скважин</p><p>625034, Тюменская область, г. Тюмень, ул. Камчатская, д. 194, оф. 411</p></bio><bio xml:lang="en"><p>Vitaly B. Gubzhokov — Head of the Well Cementing Laboratory</p><p>194, office 411, Kamchatka str., 625034, Tyumen, Tyumen region</p></bio><email xlink:type="simple">gubzhokov.vb@nefteserv.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-Технический Центр «Газпром нефти» (ООО «Газпромнефть НТЦ»)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Gazpromneft STC LLC</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО «НЕФТЕСЕРВИС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>NEFTESERVICE LLC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>31</day><month>07</month><year>2023</year></pub-date><volume>8</volume><issue>2</issue><fpage>40</fpage><lpage>49</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Денисов И.В., Губжоков В.Б., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Денисов И.В., Губжоков В.Б.</copyright-holder><copyright-holder xml:lang="en">Denisov I.V., Gubzhokov V.B.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://proneft.elpub.ru/jour/article/view/418">https://proneft.elpub.ru/jour/article/view/418</self-uri><abstract><sec><title>Введение</title><p>Введение. В процессе строительства скважины производится цементирование обсадных колонн. На качество цементирования влияет множество факторов, таких как скорость потока цементного раствора, степень центрирования обсадной колонны, параметры бурового и цементного растворов и т.д. В случае некачественного цементирования либо воздействия циклических нагрузок может происходить нарушение целостности цементного камня, что, в свою очередь, может привести к заколонным перетокам и возникновению межколонного давления (МКД), грифонов. Предотвращение и ликвидация МКД является нетривиальной задачей.</p><p>Целью данной статьи является описание факторов, влияющих на качество цементирования, а также приведены результаты лабораторных испытаний эластичной самовосстанавливающейся цементной системы (СВЦ), способствующей предотвращению и ликвидации заколонных перетоков. </p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В работе использованы отраслевые методики испытания цементного раствора и камня, уникальное лабораторное оборудование для проверки способности цементного камня к самовосстановлению при контакте с углеводородной средой.</p></sec><sec><title>Результаты</title><p>Результаты. Подтверждено самовосстановление цементной матрицы при контакте последней с углеводородной средой (нефть, газоконденсат). Оценен потенциал использования СВЦ для предотвращения и ликвидации межколонных перетоков при нарушении цементной матрицы в процессе эксплуатации скважины.</p></sec><sec><title>Заключение</title><p>Заключение. В статье описаны результаты фактического лабораторного испытания СВЦ, а также потенциал его применения. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. During the construction of the well, the casing strings are cemented. In turn, the quality of cementing is influenced by many factors, such as the flow rate, the casing standoff, the parameters of drilling mud and cement slurry, etc. In the case of poor-quality cementing, or the impact of cyclic loads, a violation of the integrity of the cement stone may occur, which in turn can lead to leaks in cement stone and the occurrence of sustained casing pressure (SCP). Prevention and elimination of SCP is a non-trivial task.</p><p>The aim of this article is to describe the factors affecting the quality of cementation, as well as the results of laboratory tests of an elastic self-healing cement system (SHC), which helps to prevent and eliminate SCP.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Industry-specific methods of testing cement slurry and cement stone were used. Unique laboratory equipment was used to test the ability of cement stone to self-heal in contact with hydrocarbons.</p></sec><sec><title>Results</title><p>Results. Self-healing of the cement matrix upon contact with hydrocarbons (oil, gas condensate) has been confirmed. The potential of using the SHC to prevent and eliminate intercolonial flows in case of violation of the cement matrix during the operation of the well is estimated.</p></sec><sec><title>Conclusions</title><p>Conclusions. The article describes the results of the actual laboratory testing of the SHC, as well as the potential of its application.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>межколонные давления</kwd><kwd>МКД</kwd><kwd>межпластовые перетоки</kwd><kwd>целостность скважин</kwd><kwd>самовосстанавливающийся цемент</kwd><kwd>СВЦ</kwd><kwd>эластичный цемент</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sustained casing pressure</kwd><kwd>SCP</kwd><kwd>productive layers overflow</kwd><kwd>well integrity</kwd><kwd>self-healing cement</kwd><kwd>SHC</kwd><kwd>elastic cement</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Arunachalam Sumathi, Gunasekaran Murali, Dharmalingam Gowdhaman, Mugahed Amran, Roman Fediuk, Nikolai Ivanovich Vatin, Ramamurthy Deeba Laxme, Thillai Seenu Gowsika. 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