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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.2021.3.13</article-id><article-id custom-type="elpub" pub-id-type="custom">geores-184</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>ПОИСК, РАЗВЕДКА И РАЗРАБОТКА НЕФТЯНЫХ, ГАЗОВЫХ И НЕФТЕГАЗОВЫХ МЕСТОРОЖДЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PROSPECTING, EXPLORATION AND DEVELOPMENT OF OIL, GAS AND OIL AND GAS FIELDS</subject></subj-group></article-categories><title-group><article-title>Особенности изменения физико-химических свойств нефтей в связи с большими глубинами</article-title><trans-title-group xml:lang="en"><trans-title>Features of changes in the physico-chemical properties of oils in connection with great depths</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>Ященко</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Yashchenko</surname><given-names>I. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Германовна Ященко – кандидат геол.-мин. наук, зав. Лабораторией</p><p>634055, Томск, пр-т Академический, д. 4</p></bio><bio xml:lang="en"><p>Irina G. Yashchenko – PhD (Geology and Mineralogy), Head of the Laboratory</p><p>4 AkademicheskyAv.,Tomsk, 634055</p></bio><email xlink:type="simple">sric@ipc.tsc.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>Крупицкий</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krupitsky</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Владимирович Крупицкий – руководитель центра геомоделирования</p><p>628011, Ханты-Мансийск, ул. Мира, д. 151</p></bio><bio xml:lang="en"><p>Vladimir V. Krupitsky – Head of the Geomodelling Center</p><p>151 Mira St., Khanty-Mansiysk, 628011</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полищук</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Polishchuk</surname><given-names>Yu. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрий Михайлович Полищук – доктор физ.-мат. наук, профессор, главный научный сотрудник</p><p>634055, Томск, пр-т Академический, д. 4</p></bio><bio xml:lang="en"><p>Yury M. Polishchuk – DSc (Physics and Mathematics), Professor, Chief Researcher</p><p>4 AkademicheskyAv.,Tomsk, 634055</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт химии нефти СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Petroleum Chemistry of the Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Югорский научно-исследовательский институт информационных технологий</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ugra Research Institute of Information Technologies</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>17</day><month>04</month><year>2024</year></pub-date><volume>23</volume><issue>3</issue><fpage>99</fpage><lpage>108</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ященко И.Г., Крупицкий В.В., Полищук Ю.М., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ященко И.Г., Крупицкий В.В., Полищук Ю.М.</copyright-holder><copyright-holder xml:lang="en">Yashchenko I.G., Krupitsky V.V., Polishchuk Y.M.</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/184">https://www.geors.ru/jour/article/view/184</self-uri><abstract><p>Проведены исследования изменений физико-химических свойств и условий залегания нефтей в зависимости от глубины, позволившие уточнить количественные закономерности изменения свойств нефтей на разных глубинах и выявить особенности физико-химических свойств малоизученных глубокозалегающих нефтей. В исследованиях использована информация о более 21000 образцов нефтей из 167 нефтеносных бассейнов мира, полученных из мировой базы данных по физико-химическим свойствам нефтей. Показано, что в разных нефтяных бассейнах плотность и вязкость нефтей и содержание в них серы, смол и асфальтенов в среднем снижается с глубиной. Содержание легких фракций и нефтяного газа с глубиной увеличивается. Установлены особенности физико-химических свойств глубокозалегающих нефтей, проявляющиеся в малой плотности и вязкости нефтей, в низком содержании серы и асфальтово-смолистых веществ и в повышенном содержания дизельных фракций и нефтяного газа. Для обсуждения полученных закономерностей использованы результаты геологического моделирования эволюции тектонических процессов, приводящих к возникновению зон пониженного горного давления, в которые по разломам мигрируют наиболее легкие углеводороды, формируя глубокопогруженные залежи углеводородов. Это может рассматриваться как возможное объяснение установленных в работе особенностей свойств глубокозалегающих нефтей, определяющих их более высокие качественные показатели.</p></abstract><trans-abstract xml:lang="en"><p>A study was made of changes in the physicochemical properties and occurrence conditions of oils depending on the depth, which made it possible to clarify the quantitative patterns of changes in the physico-chemical properties of oils at different depths and to reveal features of the properties of poorly studied deep-seated oils. The studies used information on more than 21000 oil samples from 167 oil-bearing basins of the world, obtained from the database on the physico-chemical properties of oils. It has been shown that in different oil-bearing basins the density and viscosity of oils decreases with depth. The content of sulfur, resins and asphaltenes also decreases with depth, and the content of light fractions and oil gas increases. The features of the physico-chemical properties of deep-seated oils have been established, which are manifested in a decrease in the density and viscosity of oils, in a decrease in the content of sulfur and asphalt-resinous substances, and in an increase in the content of light fractions and oil gas. The results of geological modeling of changes in the stress state of rocks associated with the displacement of the foundation blocks due to tectonic processes are considered.It has been shown that at the edges of the downing tectonic blocks at the boundary of the sedimentary cover and the basement, zones of minimum pressure (decompression zones) are formed. The lightest hydrocarbons migrate along the faults into the decompression zones, forming deep-seated hydrocarbon deposits, what can serve as a justification for the features of the properties of deep-seated oils established in the work.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>глубокозалегающие нефти</kwd><kwd>нефтегазоносный бассейн</kwd><kwd>база данных</kwd><kwd>физико-химические свойства нефти</kwd><kwd>условия залегания</kwd><kwd>геологическое моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>deep-seated oils</kwd><kwd>oil and gas basin</kwd><kwd>hydrocarbon deposits</kwd><kwd>database</kwd><kwd>physico-chemical properties of oil</kwd><kwd>occurrence conditions</kwd><kwd>geological modeling</kwd><kwd>decompression zones</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания ИХН СО РАН, финансируемого Министерством науки и высшего образования Российской Федерации.</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">Глухманчук Е.Д., Крупицкий В.В., Леонтьевский А.В. 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