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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.2025.3.10</article-id><article-id custom-type="elpub" pub-id-type="custom">geores-582</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>ГАЗОВЫЕ ГИДРАТЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>GAS HYDRATES</subject></subj-group></article-categories><title-group><article-title>Оценка параметров закачки диоксида углерода в насыщенный пористый пласт с неоднородной проницаемостью при наличии гидратообразования</article-title><trans-title-group xml:lang="en"><trans-title>Estimation of the parameters of carbon dioxide injection into a saturated porous reservoir with heterogeneous permeability in the presence of hydrate formation</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>Мусакаев</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Musakaev</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наиль Габсалямович Мусакаев – доктор физ.-мат. наук, профессор, главный научный сотрудник</p><p>625026, Тюмень, ул. Таймырская, д. 74</p></bio><bio xml:lang="en"><p>Nail G. Musakaev – Dr. Sci. (Physics and Mathematics), Professor, Chief Researcher</p><p>74 Taymyrskaya St., Tyumen, 625026</p></bio><email xlink:type="simple">musakaev68@yandex.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>Бородин</surname><given-names>С. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Borodin</surname><given-names>S. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Станислав Леонидович Бородин – кандидат физ.-мат. наук, старший научный сотрудник</p><p>625026, Тюмень, ул. Таймырская, д. 74</p></bio><bio xml:lang="en"><p>Stanislav L. Borodin – Cand. Sci. (Physics and Mathematics), Senior Researcher</p><p>74 Taymyrskaya St., Tyumen, 625026</p></bio><email xlink:type="simple">S.L.Borodin@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тюменский филиал Института теоретической и прикладной механики им. С.А. Христиановича СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tyumen Branch of the Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>27</day><month>09</month><year>2025</year></pub-date><volume>27</volume><issue>3</issue><fpage>121</fpage><lpage>129</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мусакаев Н.Г., Бородин С.Л., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Мусакаев Н.Г., Бородин С.Л.</copyright-holder><copyright-holder xml:lang="en">Musakaev N.G., Borodin S.L.</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/582">https://www.geors.ru/jour/article/view/582</self-uri><abstract><p>Одним из эффективных методов борьбы с ростом концентрации диоксида углерода в атмосфере является его секвестрация в пористых средах в твердой газогидратной форме. Уникальные свойства газовых гидратов, такие как их высокая газоемкость, низкая проницаемость и естественная стабильность, делают их привлекательным вариантом для долговременного захоронения СО2 . В статье в рамках рассмотрения проблематики организации геологического газогидратного хранилища диоксида углерода записана математическая модель, позволяющая осуществить теоретическое изучение процесса образования гидрата СО2 при его закачке в пласт, поры которого в исходном состоянии заняты метаном и водой. В предложенной математической модели осуществлен учет зональной неоднородности пористого коллектора, течения в нем при наличии фазовых превращений (гидратообразование и растворимость диоксида углерода в воде) газовой (СН4 и/или СО2 ) и жидкой (вода и растворенный CO2 ) фаз, переноса тепла из рассматриваемой области пласта в окружающие горные породы; процесс гидратообразования рассматривается как равновесный фазовый переход. Представлены расчетные уравнения для изучаемого в работе процесса и построены численные решения задачи, описывающие распределения параметров (температуры, давления, насыщенностей фаз) в пласте. Расчетным путем показано, что при закачке СО2 в пласт в нем возможно формирование нескольких характерных зон, отличающихся по составу насыщающих их флюидов. Продемонстрирована необходимость учета при описании температурного поля в пласте таких факторов, как теплота, выделяемая при фазовых переходах, эффект Джоуля-Томсона, теплообмен пористого коллектора с окружающими горными породами. Приведены и проанализированы результаты вычислительных экспериментов при размещении нагнетательной скважины в высоко- или низкопроницаемом участке пористого коллектора. Проведенное численное исследование показало, что для организации эффективного газогидратного хранения диоксида углерода необходимы пористые среды с достаточно высокими значениями проницаемости.</p></abstract><trans-abstract xml:lang="en"><p>One of the effective methods of combating the increase in the concentration of carbon dioxide in the atmosphere is its sequestration in porous media in the solid gas hydrate form. The unique properties of gas hydrates, such as their high gas capacity, low permeability and natural stability, make them an attractive option for long-term disposal of carbon dioxide. In the context of considering the problem of organizing geological gas hydrate storages of carbon dioxide, a mathematical model is written down that allows a theoretical study of the process of carbon dioxide hydrate formation during its injection into a reservoir whose pores are initially saturated with methane and water. The proposed mathematical model takes into account zonal heterogeneity of a porous reservoir, the flow in it in the presence of phase transformations (hydrate formation and solubility of carbon dioxide in water) of the gas (СН4 and/or СО2 ) and liquid (water and dissolved CO2 ) phases, heat transfer from the considered region of a reservoir to the surrounding rocks; the hydrate formation process is considered as an equilibrium phase transition. Calculation equations for the studied process are presented and numerical solutions of the problem are constructed, describing the distribution of parameters (temperature, pressure, phase saturations) in a reservoir. It has been shown by calculations that when CO2 is injected into a reservoir, several characteristic zones can form in it, differing in the composition of the fluids saturating them. It has been demonstrated that it is necessary to take into account such factors as heat released during phase transitions, the Joule-Thomson effect, and heat exchange between the porous reservoir and its surrounding rocks when describing the temperature field in the reservoir formed when carbon dioxide is injected into it. The results of computational experiments are presented and analyzed when placing an injection well in a high- or low-permeability zone of a porous reservoir. The conducted numerical study showed that for the organization of effective gas hydrate storage of carbon dioxide, porous media with sufficiently high permeability values are required.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фильтрация</kwd><kwd>диоксид углерода</kwd><kwd>образование газового гидрата</kwd><kwd>зональная проницаемость</kwd><kwd>математическая модель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>filtration</kwd><kwd>carbon dioxide</kwd><kwd>gas hydrate formation</kwd><kwd>zonal permeability</kwd><kwd>mathematical model</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда № 24-29-00093, https://rscf.ru/ project/24-29-00093/ Публикация статьи поддержана Министерством науки и высшего образования Российской Федерации по соглашению № 075-10-2022-011 в рамках программы развития НЦМУ.</funding-statement><funding-statement xml:lang="en">The research was funded by the Russian Science Foundation (project No. 24-29-00093), https://rscf.ru/ project/24-29-00093/. The publication of the article was supported by the Ministry of Science and Higher Education of the Russian Federation under agreement No. 075-10-2022-011 within the framework of the development program for a world-class Research Center.</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">Баренблатт Г.И., Лобковский Л.И., Нигматулин Р.И. (2016). Математическая модель истечения газа из газонасыщенного льда и газогидратов. Доклады Академии наук, 470 (4), с. 458–461. https://doi.org/10.7868/S0869565216280148</mixed-citation><mixed-citation xml:lang="en">Aminu M.D., Nabavi S.A., Rochelle C.A., Manovic V. (2017). A review of developments in carbon dioxide storage. 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