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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.2025.4.24</article-id><article-id custom-type="elpub" pub-id-type="custom">geores-612</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>Особенности молекулярного состава битумоидов в баженовских отложениях в северной части Западно-Сибирской платформы</article-title><trans-title-group xml:lang="en"><trans-title>Peculiarities of Molecular Composition of Bitumoids in Bazhenov Deposits in the Northern Part of the West Siberian Platform</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>Тихонова</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tikhonova</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маргарита Станиславовна Тихонова – ведущий инженер кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1 </p></bio><bio xml:lang="en"><p>Margarita S. Tikhonova – Leading Engineer, Petroleum Geology Department</p><p>1 Leninskie gory, Moscow, 119234</p></bio><email xlink:type="simple">m.tikhonova@oilmsu.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>Калмыков</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalmykov</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антон Георгиевич Калмыков – кандидат хим. наук, старший научный сотрудник кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1 </p></bio><bio xml:lang="en"><p>Anton G. Kalmykov – Cand. Sci. (Chemistry), Senior Researcher, Petroleum Geology Department</p><p>1 Leninskie gory, Moscow, 119234</p></bio><email xlink:type="simple">a.kalmykov@oilmsu.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>Видищева</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Vidishcheva</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олеся Николаевна Видищева – кандидат геол.-минерал. наук, старший научный сотрудник кафедры нефтегазовой седиментологии и морской геологии</p><p>119234, Москва, ул. Ленинские горы, д. 1 </p></bio><bio xml:lang="en"><p>Olesya N. Vidishcheva – Cand. Sci. (Geology and Mineralogy), Senior Researcher, Lithology and marine geology</p><p>1 Leninskie gory, Moscow, 119234</p></bio><email xlink:type="simple">o.vidishcheva@oilmsu.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>Колосова</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolosova</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлия Владимировна Колосова – старший эксперт отдела поиска перспективных объектов ШЕЛЬФ</p><p>625031, Тюмень, ул. Пожарных и спасателей, д.7</p></bio><bio xml:lang="en"><p>Yuliya V. Kolosova – Senior Expert of the Department</p><p>7 Pozharnykh i spasateley St., Tyumen, 625031</p></bio><email xlink:type="simple">yuliya.kolosova@novatek.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сигачева</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Sigacheva</surname><given-names>L. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Любовь Юрьевна Сигачева – аспирант кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1 </p></bio><bio xml:lang="en"><p>Lyubov Yu. Sigacheva – Postgraduate student, Petroleum Geology and Geochemistry Department</p><p>1 Leninskie gory, Moscow, 119234</p></bio><email xlink:type="simple">sigacheva_l@list.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>Григоренко</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigorenko</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Витальевна Григоренко – аспирант кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1 </p></bio><bio xml:lang="en"><p>Tatiana V. Grigorenko – Postgraduate student, Petroleum Geology Department</p><p>1 Leninskie gory, Moscow, 119234</p></bio><email xlink:type="simple">t.grigorenko@oilmsu.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>Костышина</surname><given-names>М. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostyshina</surname><given-names>M. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мария Олеговна Костышина – аспирант кафедры геологии и геохимии горючих ископаемых</p><p>119234, Москва, ул. Ленинские горы, д. 1 </p></bio><bio xml:lang="en"><p>Mariia O. Kostyshina – Postgraduate student, Petroleum Geology Department</p><p>1 Leninskie gory, Moscow, 119234</p></bio><email xlink:type="simple">m.kostyshina@oilmsu.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>Гендель</surname><given-names>Д. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Gendel</surname><given-names>D. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Данил Леонидович Гендель – начальник отдела поиска перспективных объектов ШЕЛЬФ</p><p>625031, Тюмень, ул. Пожарных и спасателей, д.7</p></bio><bio xml:lang="en"><p>Danil L. Gendel – Head of the Department</p><p>7 Pozharnykh i spasateley St., Tyumen, 625031</p></bio><email xlink:type="simple">dlgendel@novatek.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Голь</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Gol</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгения Михайловна Голь – начальник отдела</p><p>629309, Новый уренгой, славянский мкр, д. 9 </p></bio><bio xml:lang="en"><p>Evgeniya M. Gol – Head of the Department</p><p>9 Slavyansky distric, Novy Urengoy, 629309</p></bio><email xlink:type="simple">evgeniya.gol@arcticspg1.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Резник</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Reznik</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Николаевич Резник – кандидат геол.-минерал. наук, главный геолог</p><p>629309, Новый уренгой, славянский мкр, д. 9 </p></bio><bio xml:lang="en"><p>Sergey N. Reznik – Cand. Sci. (Geology and Mineralogy), Chief Geologist</p><p>9 Slavyansky distric, Novy Urengoy, 629309</p></bio><email xlink:type="simple">Sergey.Reznik@arcticspg1.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО «НОВАТЭК НТЦ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>NOVATEK STC LLC</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ООО «Арктик СПГ 1»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>ASPG-1 LLC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2025</year></pub-date><volume>27</volume><issue>4</issue><fpage>163</fpage><lpage>176</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тихонова М.С., Калмыков А.Г., Видищева О.Н., Колосова Ю.В., Сигачева Л.Ю., Григоренко Т.В., Костышина М.О., Гендель Д.Л., Голь Е.М., Резник С.Н., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Тихонова М.С., Калмыков А.Г., Видищева О.Н., Колосова Ю.В., Сигачева Л.Ю., Григоренко Т.В., Костышина М.О., Гендель Д.Л., Голь Е.М., Резник С.Н.</copyright-holder><copyright-holder xml:lang="en">Tikhonova M.S., Kalmykov A.G., Vidishcheva O.N., Kolosova Y.V., Sigacheva L.Y., Grigorenko T.V., Kostyshina M.O., Gendel D.L., Gol E.M., Reznik S.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.geors.ru/jour/article/view/612">https://www.geors.ru/jour/article/view/612</self-uri><abstract><p>Данная работа является продолжением цикла статей, посвященных исследованию молекулярного состава углеводородных соединений (УВС) в поровом пространстве пород баженовского горизонта. Исследование проводилось на образцах нефтегазоматеринской толщи (НГМТ) с органическим веществом (ОВ) смешанного и континентального состава, отобранных из двух скважин Г5 и Г6, расположенных в северной части Западной сибири. Биомаркерный анализ битумоидов из открытых, запечатанных и закрытых пор показал существенные различия в составе УВС, что позволило выделить их в две группы. различия величин биомаркерных параметров, характеризующих условия осадконакопления оВ, предполагают наличие миграционных УВС в открытых порах исследуемых образцов. Предполагаемые миграционные битумоиды обладают составом, характерным для окислительных обстановок осадконакопления материнского ОВ преимущественно континентального происхождения. Битумоиды из закрытых пор, напротив, формировались из ОВ преимущественно морского генезиса, накапливавшегося в восстановительных условиях. При этом отмечается, что миграционные битумоиды в скважинах имеют разный источник, что дополнительно подтверждается параметрами зрелости. Величины Ts/(Ts+Tm), Ts/C30, 4MDBT/1MDBT,TAI/(I+II) для миграционных битумоидов Г5 и Г6 характеризуют стадии катагенеза МК1 и МК2-3 соответственно, УВС закрытых пор – ПК3-МК1.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the investigation is to study the molecular composition of hydrocarbon compounds (HC) in the pore space of the Bazhenov horizon rocks in the northern part of Western Siberia. The oil and gas source rock samples with mixed and continental organic matter from two wells G5 and G6 were investigated. The biomarker analysis of the bitumen from open, blocked, and closed pores showed significant differences in the composition of HC, which allowed to divide them into two groups. The presence of migrated HC in the open pores of the studied samples was determined by the differences in the biomarker parameter values characterizing the conditions of organic matter sedimentary conditions. The composition of migrated bitumen expresses the oxidative conditions of the parent predominantly continental organic matter sedimentation. Bitumen in the closed pores, on the contrary, was formed from predominantly marine OM in the reducing conditions. The maturity parameters of bitumen confirmed that the migrated HC have a different source. The values of Ts/(Ts+Tm), Ts/C30, 4MDBT/1MDBT, TAI/(I+II) for migrated bitumen from G5 and G6 wells characterize the stages of early-middle oil window respectively, closed pore HC – the stage of immature kerogen to early oil window.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>баженовский горизонт</kwd><kwd>углеводородные соединения</kwd><kwd>миграция углеводородов</kwd><kwd>заполнение порового пространства</kwd><kwd>хромато-масс-спектрометрические исследования</kwd><kwd>ступенчатая экстракция</kwd><kwd>биомаркерные параметры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bazhenov horizon</kwd><kwd>hydrocarbon compounds</kwd><kwd>hydrocarbon migration</kwd><kwd>pore space filling</kwd><kwd>gas chromatographymass-spectrometry</kwd><kwd>step extraction</kwd><kwd>biomarker parameters</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">Балушкина Н.С., Калмыков Г.А., Кирюхина Т.А., Коробова Н.И., Корост Д.В., Соболева Е.В., Ступакова А.В., Фадеева Н.П., Хамидуллин Р.А., Шарданова Т.А. 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