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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">geores</journal-id><journal-title-group><journal-title xml:lang="ru">Георесурсы</journal-title><trans-title-group xml:lang="en"><trans-title>Georesources</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1608-5043</issn><issn pub-type="epub">1608-5078</issn><publisher><publisher-name>Georesursy LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18599/grs.2023.4.2</article-id><article-id custom-type="elpub" pub-id-type="custom">geores-6</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>СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH ARTICLES</subject></subj-group></article-categories><title-group><article-title>Нефтегазоматеринские породы ранне-среднеюрского возраста центральной части Западной Сибири и их вклад в формирование нефтегазоносности юрско-мелового комплекса</article-title><trans-title-group xml:lang="en"><trans-title>Contribution of the Lower-Middle Jurassic source rocks in petroleum potential of the Jurassic-Cretaceous series within the central part of West Siberia</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>Калачева</surname><given-names>Д. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalacheva</surname><given-names>D. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дарья Юрьевна Калачева – руководитель  направления центра регионального и сейсмического моделирования</p><p>190000, Санкт-Петербург, наб. реки Мойки, д. 75-79Д</p></bio><bio xml:lang="en"><p>Darya Yu. Kalacheva – Head of the Department</p><p>75-79D, Moika River emb., 190000, Saint-Petersburg</p></bio><email xlink:type="simple">Kalacheva.DYu@gazpromneft-ntc.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>Санникова</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sannikova</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Алексеевна Санникова – кандидат геол.-минерал. наук, главный специалист центра регионального и сейсмического моделирования</p><p>190000, Санкт-Петербург, наб. реки Мойки, д. 75-79Д</p></bio><bio xml:lang="en"><p>Irina A. Sannikova – Cand. Sci. (Geology and Mineralogy), Chief Specialist</p><p>75-79D, Moika River emb., 190000, Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Морозов</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Morozov</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никита Владимирович Морозов – руководитель по разработке продуктов центра регионального и сейсмического моделирования</p><p>190000, Санкт-Петербург, наб. реки Мойки, д. 75-79Д</p></bio><bio xml:lang="en"><p>Nikita V. Morozov – Product Manager</p><p>75-79D, Moika River emb., 190000, Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО «Газпромнефть НТЦ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Gazprom Neft NTC 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>28</day><month>03</month><year>2024</year></pub-date><volume>25</volume><issue>4</issue><fpage>29</fpage><lpage>41</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Калачева Д.Ю., Санникова И.А., Морозов Н.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Калачева Д.Ю., Санникова И.А., Морозов Н.В.</copyright-holder><copyright-holder xml:lang="en">Kalacheva D.Y., Sannikova I.A., Morozov N.V.</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.geors.ru/jour/article/view/6">https://www.geors.ru/jour/article/view/6</self-uri><abstract><p>В настоящей работе на основе комплексного геохимического изучения каменного материала и флюидов доказано, что углесодержащие отложения нижне- и среднеюрского комплекса Западной Сибири на южных окраинах Ханты-Мансийского и Ямало-Ненецкого автономных округов могут генерировать жидкие углеводороды. Установлено, что нефтегенерационный потенциал углесодержащих отложений зависит от палеогеографических условий захоронения исходного органического вещества, обогащенности пород мацералами группы липтинита. Комплекс исследований включал в себя пиролитический анализ углей, углистых аргиллитов пород нижней и средней юры, изучение мацерального состава и измерение показателей отражательной способности, выделение экстрактов с последующим определением углеводородного и изотопного состава, а также изучение состава нефтей района работ, отобранных как в пределах юрского, так и мелового комплексов. Территория исследования охватывает ряд месторождений, приуроченных к Фроловской мегавпадине и Южно-Надымской мегамоноклизе. Результатом работ стало выделение и обоснование значимых геохимических характеристик дополнительного источника углеводородов – углей и углистых аргиллитов нижней и средней юры, ранее не доказанного в периметре работ, вклад которого в формирование нефтегазоносности подтвержден по фактической корреляции углеводородных, изотопных характеристик флюидов и сингенетичных битумоидов (экстрактов), извлеченных из углесодержащих нефтегазоматеринских пород. Для генетической типизации битумоидов и нефтей применялся кластерный анализ и метод главных компонент. Выводы, полученные по данным геохимических исследований, позволяют говорить о возможной перспективности нижне- и среднеюрских отложений с точки зрения обнаружения скоплений углеводородов.</p></abstract><trans-abstract xml:lang="en"><p>In this paper, based on a geochemical study of rock samples and fluids, it is proven that carbon-bearing deposits of the Lower and Middle Jurassic complex of Western Siberia on the southern outskirts of the Khanty-Mansiysk and Yamalo-Nenets Autonomous Okrug can generate liquid hydrocarbons. It has been established that the oil-generation potential of carbon-bearing deposits depends on the paleogeographic conditions of burial of the organic matter and the enrichment of rocks with macerals of the liptinite group. The complex of studies included pyrolysis of coals, coal-rich shale of Lower and Middle Jurassic rocks, study of maceral composition and measurement of reflectivity indicators, hydrocarbon and isotopic composition of extracts from rocks, as well as study of the composition of oils from the studied area, selected both within the Jurassic and Cretaceous complexes. The studied area is located in the Frolov megadepression and the South Nadym megamonoclise. The result of the research was the identification of significant geochemical characteristics of an additional source of hydrocarbons – coals, coal-rich shale of the Lower and Middle Jurassic, which had not previously been proven on the studied area, the contribution of which to the formation of oil and gas potential was confirmed by the correlation of hydrocarbon and isotopic characteristics of fluids and extracts from source rocks. Сluster and the principal component analysis were used for genetic correlation of extracts and oils. The conclusions obtained from geochemical studies suggest the possible prospects of Lower and Middle Jurassic deposits from the point of view of detecting hydrocarbon accumulations.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нижняя юра</kwd><kwd>средняя юра</kwd><kwd>уголь</kwd><kwd>мацерал</kwd><kwd>органическое вещество</kwd><kwd>Западная Сибирь</kwd><kwd>липтинит</kwd><kwd>нефтегазоматеринские породы</kwd><kwd>пиролиз</kwd><kwd>кинетические исследования</kwd><kwd>углеводороды</kwd><kwd>битумоид</kwd><kwd>палеогеография</kwd><kwd>болото</kwd><kwd>углеводородная система</kwd><kwd>миграция</kwd><kwd>баженовская свита</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Lower Jurassic</kwd><kwd>Middle Jurassic</kwd><kwd>coal</kwd><kwd>maceral</kwd><kwd>organic matter</kwd><kwd>West Siberia</kwd><kwd>liptinite</kwd><kwd>source rock</kwd><kwd>pyrolysis</kwd><kwd>kinetic spectra</kwd><kwd>hydrocarbons</kwd><kwd>bitumen</kwd><kwd>paleogeography</kwd><kwd>swamp</kwd><kwd>bog</kwd><kwd>petroleum system</kwd><kwd>migration</kwd><kwd>Bazhenov formation</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">Гончаров И.В. и др. 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