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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">donstu</journal-id><journal-title-group><journal-title xml:lang="en">Advanced Engineering Research (Rostov-on-Don)</journal-title><trans-title-group xml:lang="ru"><trans-title>Advanced Engineering Research (Rostov-on-Don)</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2687-1653</issn><publisher><publisher-name>Don State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.23947/2687-1653-2022-22-3-242-251</article-id><article-id custom-type="elpub" pub-id-type="custom">donstu-1910</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="en"><subject>MACHINE BUILDING AND MACHINE SCIENCE</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАШИНОСТРОЕНИЕ И МАШИНОВЕДЕНИЕ</subject></subj-group></article-categories><title-group><article-title>Study of Tapered Threads Parameters Affecting the Quality of the Oil Pipeline Connection</article-title><trans-title-group xml:lang="ru"><trans-title>Исследование параметров конических резьб, влияющих на качество соединения труб нефтяного сортамента</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6281-1832</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цыбрий</surname><given-names>И. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsybrii</surname><given-names>I. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цыбрий Ирина Константиновна, доцент кафедры «Приборостроение и биомедицинская инженерия»; кандидат технических наук, доцент, с. н. с.</p><p>344003, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>1, Gagarin sq., Rostov-on-Don</p></bio><email xlink:type="simple">irconst@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5787-9621</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коваль</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Koval</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Коваль Николай Сергеевич, доцент кафедры «Приборостроение и биомедицинская инженерия»; кандидат технических наук</p><p>ResearcherID; ScopusID</p><p>344003, г. Ростов-на-Дону, пл. Гагарина, 1</p></bio><bio xml:lang="en"><p>1, Gagarin sq., Rostov-on-Don</p></bio><email xlink:type="simple">koval-nc@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2900-8025</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Исабеков</surname><given-names>Ж. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Issabekov</surname><given-names>Zh. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Исабеков Жанибек Назарбекулы, заведующий кафедрой «Промышленный инжиниринг»; магистр технических наук</p><p>050013, г. Алматы, ул. Сатпаева, 22 а</p><p> </p></bio><bio xml:lang="en"><p>22, Satbaev St., Almaty</p></bio><email xlink:type="simple">zh.issabekov@satbayev.university</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Донской государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Don State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Казахский национальный исследовательский технический университет имени К. И. Сатпаева</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Satbayev University</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>10</month><year>2022</year></pub-date><volume>22</volume><issue>3</issue><fpage>242</fpage><lpage>251</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Tsybrii I.K., Koval N.S., Issabekov Z.N., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Цыбрий И.К., Коваль Н.С., Исабеков Ж.Н.</copyright-holder><copyright-holder xml:lang="en">Tsybrii I.K., Koval N.S., Issabekov Z.N.</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://www.vestnik-donstu.ru/jour/article/view/1910">https://www.vestnik-donstu.ru/jour/article/view/1910</self-uri><abstract><sec><title>Introduction</title><p>Introduction. With the growth in the production and transportation of gas and oil, the urgency of the problem of tightness of the connection of pipes of the oil and gas range increases. The most common are coupling and streamline threaded connections. Threads of the buttress type, conical trapezoidal, and triangular threads are used. The tightness of the connection depends directly on their quality. The production of pipes and couplings is influenced by many factors. Examples include technological heredity, rigidity of technological equipment, its setting and resetting. The required connection quality is provided by the quality of the elements. The assembly should take into account the possibility of complete interchangeability. The second recommended option is a group assembling. In all cases, control operations are mandatory. The paper presents the results of studies on the distribution of pipe and coupling thread quality parameters in the batch.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. Fragments (tubular parts) of casing pipes with trapezoidal thread and increased tightness (CPTT) and with trapezoidal thread of the buttress profile were studied. They were randomly selected from different batches. When measuring, the samples were fixed in the chuck of 1I611P lathe. The measuring instrument was a clock type 0 accuracy class indicator with a stand. Generally accepted statistical methods were used to evaluate the data obtained.</p></sec><sec><title>Results</title><p>Results. The experiments have found how the tightness of the connection through the method of complete interchangeability is affected by the radial runout of the surfaces of the thread profile tops, the pipe chamfers, and the sealing belt.</p><p>Discussion and Conclusions. Significant deviations of the values of the thread parameters from the permissible ones were found, which might cause a leak in the connection. Obtaining a high-quality and reliable connection is possible when assembling by the method of incomplete or group interchangeability.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Введение</title><p>Введение. С ростом объемов добычи и транспортировки газа и нефти повышается актуальность проблемы герметичности соединения труб нефтегазового сортамента. Наиболее распространены муфтовые и безмуфтовые резьбовые соединения. Используются резьбы типа «Батресс», конические трапецеидальные и треугольные резьбы. От их качества напрямую зависит герметичность соединения. На процесс производства труб и муфт влияют многие факторы. В качестве примеров можно привести технологическую наследственность, жесткость технологического оборудования, его наладку и подналадку. Требуемое качество соединения обеспечивается качеством элементов. Сборка должна учитывать возможность полной взаимозаменяемости. Второй рекомендуемый вариант — групповая сборка. Во всех случаях обязательны контрольные операции. В работе приводятся результаты исследований распределения в партии параметров качества резьб труб и муфт.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследовались фрагменты (патрубки) обсадных труб с трапецеидальной резьбой и повышенной герметичностью (ОТТГ) и с трапецеидальной резьбой профиля «Батресс». Их произвольно выбрали из различных партий. При измерении образцы закреплялись в патрон токарного станка 1И611П. Средством измерения был индикатор часового типа 0 класса точности со стойкой. Для оценки полученных данных использовали общепринятые статистические методы.</p></sec><sec><title>Результаты исследования</title><p>Результаты исследования. Эксперименты позволили выявить, как на герметичность соединения методом полной взаимозаменяемости влияет радиальное биение поверхностей вершин профиля резьбы, фасок патрубка и уплотнительного пояска.</p></sec><sec><title>Обсуждение и заключения</title><p>Обсуждение и заключения. Обнаружены существенные отклонения значений параметров резьбы от допустимых, что может стать причиной разгерметизации соединения. Получение качественного и надежного соединения возможно при сборке по методу неполной или групповой взаимозаменяемости.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>соединение труб нефтяного сортамента</kwd><kwd>качество соединения</kwd><kwd>контроль качества</kwd><kwd>соединение «Батресс»</kwd><kwd>соединение ОТТГ</kwd><kwd>радиальное биение поверхностей резьбы «Батресс»</kwd><kwd>радиальное биение поверхностей резьбы ОТТГ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>OCTG connection</kwd><kwd>connection quality</kwd><kwd>quality control</kwd><kwd>buttress connection</kwd><kwd>CPTT connection</kwd><kwd>radial runout of buttress thread surfaces</kwd><kwd>radial runout of CPTT thread surfaces</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность рецензентам, чья критическая оценка материалов и предложения по их совершенствованию способствовали значительному повышению качества статьи.</funding-statement><funding-statement xml:lang="en">The authors express their gratitude to reviewers, whose critical assessment of the materials and suggestions for their improvement contributed to a significant improvement in the quality of the article.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Failure and Integrity Analysis of Casings Used for Oil Well Drilling / G. 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