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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Engineering Research</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Engineering Research</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Инженерные исследования</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2312-8143</issn><issn publication-format="electronic">2312-8151</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">33079</article-id><article-id pub-id-type="doi">10.22363/2312-8143-2022-23-3-232-245</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Comparison of innovative gas hydrate extraction technologies in China and Japan</article-title><trans-title-group xml:lang="ru"><trans-title>Сравнение инновационных технологий добычи газовых гидратов в Китае и Японии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1719-8976</contrib-id><name-alternatives><name xml:lang="en"><surname>Sun</surname><given-names>Haoyuan</given-names></name><name xml:lang="ru"><surname>Сунь</surname><given-names>Хаоюань</given-names></name></name-alternatives><bio xml:lang="en"><p>PhD student, Department of Mineral Developing and Oil &amp; Gas Engineering, Academy of Engineering</p></bio><bio xml:lang="ru"><p>аспирант, департамент недропользования и нефтегазового дела, Инженерная академия</p></bio><email>1042195045@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1396-1815</contrib-id><name-alternatives><name xml:lang="en"><surname>Huang</surname><given-names>Qiuhong</given-names></name><name xml:lang="ru"><surname>Хуан</surname><given-names>Цюхун</given-names></name></name-alternatives><bio xml:lang="en"><p>master, Department of Mineral Developing and Oil &amp; Gas Engineering, Academy of Engineering</p></bio><bio xml:lang="ru"><p>магистр, департамент недропользования и нефтегазового дела, Инженерная академия</p></bio><email>932998181@qq.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5792-3979</contrib-id><name-alternatives><name xml:lang="en"><surname>Vorobyev</surname><given-names>Kirill A.</given-names></name><name xml:lang="ru"><surname>Воробьев</surname><given-names>Кирилл Александрович</given-names></name></name-alternatives><bio xml:lang="en"><p>assistant, Department of Mineral Developing and Oil &amp; Gas Engineering, Academy of Engineering</p></bio><bio xml:lang="ru"><p>ассистент, департамент недропользования и нефтегазового дела, Инженерная академия</p></bio><email>vorobyev_ka@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia (RUDN University)</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-12-30" publication-format="electronic"><day>30</day><month>12</month><year>2022</year></pub-date><volume>23</volume><issue>3</issue><issue-title xml:lang="en">VOL 23, NO3 (2022)</issue-title><issue-title xml:lang="ru">ТОМ 23, №3 (2022)</issue-title><fpage>232</fpage><lpage>245</lpage><history><date date-type="received" iso-8601-date="2022-12-30"><day>30</day><month>12</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Sun H., Huang Q., Vorobyev K.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Сунь Х., Хуан Ц., Воробьев К.А.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Sun H., Huang Q., Vorobyev K.A.</copyright-holder><copyright-holder xml:lang="ru">Сунь Х., Хуан Ц., Воробьев К.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0/legalcode</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/engineering-researches/article/view/33079">https://journals.rudn.ru/engineering-researches/article/view/33079</self-uri><abstract xml:lang="en"><p style="text-align: justify;">In the 20th century, great attention in the world was paid to the study, exploration, development of natural gas deposits, which are ordinary (traditional) gas-containing accumulations of hydrocarbons. The limited and irreplaceable resources of free natural gas, the growing demand for this energy carrier inevitably forced in the 21st century to pay attention to the significant potential resources of natural gas contained in unconventional sources. These include coal-bearing methane, shale gas, water-dissolved gases of the underground and aboveground hydrosphere, natural gas hydrates. The authors discuss modern technologies for the development of natural gas hydrates, in particular the pilot development of the Nankai field on the shelf of Japan and a number of large deposits on the shelf of China. The results of scientific research are presented, as well as practical experience in the application of various methods of influencing deposits of unconventional hydrocarbons. The study introduces a number of key technical solutions for the development of gas hydrate deposits, such as sand control during extraction, artificial lifting, geological monitoring and environmental monitoring. The information and regulatory framework of the study reflects the current level of development of science and technology in the development of mineral deposits. The world and domestic experience in the development of technologies for the impact on unconventional hydrocarbon deposits in order to optimize and intensify the production process is reflected.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">В XX в. огромное внимание в мире уделялось изучению, разведке, освоению месторождений природного газа, представляющих собой обычные (традиционные) газосодержащие скопления углеводородов. Ограниченность и невосполнимость ресурсов свободного природного газа, растущий спрос на этот энергоноситель неизбежно заставили в XXI в. обратить внимание на значительные потенциальные ресурсы природного газа, заключенные в нетрадиционных источниках. К ним относятся метан угленосных толщ, сланцевый газ, водорастворенные газы подземной и надземной гидросферы, природные газовые гидраты. В исследовании рассматриваются современные технологии разработки природных газовых гидратов, в частности опытно-промышленная разработка месторождения Нанкай на шельфе Японии и ряд крупных месторождений на шельфе Китая. Описаны результаты научных изысканий, а также практический опыт применения различных способов воздействия на месторождения нетрадиционных углеводородов. Приведен ряд ключевых технических решений по разработке месторождений газовых гидратов, таких как контроль песка при добыче, искусственный подъем, геологический мониторинг и мониторинг окружающей среды. Информационная и нормативная база исследования отражает современный уровень развития науки и техники в разработке месторождений полезных ископаемых. Отражен мировой и отечественный опыт разработки технологий воздействия на месторождения нетрадиционных углеводородов с целью оптимизации и интенсификации процесса добычи.</p></trans-abstract><kwd-group xml:lang="en"><kwd>hydrates of natural gas</kwd><kwd>stability zone</kwd><kwd>gas hydrates</kwd><kwd>methods for developing</kwd><kwd>production technologies</kwd><kwd>environment</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>гидраты природного газа</kwd><kwd>зона стабильности</kwd><kwd>газогидраты</kwd><kwd>методы разработки</kwd><kwd>технологии добычи</kwd><kwd>окружающая среда</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Vorobev AE, Malyukov VP, Rygzynov ChT. Experimental study of formation of gas hydrates. RUDN Journal of Engineering Research. 2012;(2):85-93. (In Russ.)</mixed-citation><mixed-citation xml:lang="ru">Воробьёв А.Е., Малюков В.П., Рыгзынов Ч.Ц. 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