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    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id custom-type="edn" pub-id-type="custom">NLWJEQ</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-16610</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/16610</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Геотехнология и инженерная геология</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Geotechnical Engineering and Engineering Geology</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Study of the interaction between the drilling fluid and lake water during the opening of the subglacial Lake Vostok in Antarctica</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Исследование взаимодействия заливочной жидкости и озерной воды при вскрытии подледникового озера Восток в Антарктиде</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Serbin</surname>
            <given-names>Danil V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Сербин</surname>
              <given-names>Д. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Serbin</surname>
              <given-names>Danil V.</given-names>
            </name>
          </name-alternatives>
          <email>Serbin_DV@pers.spmi.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-9855-7178</contrib-id>
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          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины II (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Empress Catherine II Saint Petersburg Mining University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Buslaev</surname>
            <given-names>Georgii V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Буслаев</surname>
              <given-names>Г. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Buslaev</surname>
              <given-names>Georgii V.</given-names>
            </name>
          </name-alternatives>
          <email>i@george-buslaev.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-4987-8645</contrib-id>
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        </contrib>
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            <institution xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины II (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Empress Catherine II Saint Petersburg Mining University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Lavrik</surname>
            <given-names>Anna Yu.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Лаврик</surname>
              <given-names>А. Ю.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Lavrik</surname>
              <given-names>Anna Yu.</given-names>
            </name>
          </name-alternatives>
          <email>lavrik_ayu@pers.spmi.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-7284-6003</contrib-id>
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        </contrib>
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            <institution xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины II (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Empress Catherine II Saint Petersburg Mining University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Kadochnikov</surname>
            <given-names>Vyacheslav G.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Кадочников</surname>
              <given-names>В. Г.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kadochnikov</surname>
              <given-names>Vyacheslav G.</given-names>
            </name>
          </name-alternatives>
          <email>Kadochnikov_VG@pers.spmi.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-2892-3950</contrib-id>
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        </contrib>
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            <institution xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины II (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Empress Catherine II Saint Petersburg Mining University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Dmitriev</surname>
            <given-names>Andrei N.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Дмитриев</surname>
              <given-names>А. Н.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Dmitriev</surname>
              <given-names>Andrei N.</given-names>
            </name>
          </name-alternatives>
          <email>dmitriev_an@spmi.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-4615-3179</contrib-id>
          <xref ref-type="aff" rid="aff5"/>
        </contrib>
        <aff-alternatives id="aff5">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины II (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Empress Catherine II Saint Petersburg Mining University (Saint Petersburg, Russia)</institution>
          </aff>
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      <pub-date pub-type="epub" iso-8601-date="2025-07-07">
        <day>07</day>
        <month>07</month>
        <year>2025</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2025</year>
      </pub-date>
      <volume>273</volume>
      <fpage>136</fpage>
      <lpage>146</lpage>
      <history>
        <date date-type="received" iso-8601-date="2024-11-10">
          <day>10</day>
          <month>11</month>
          <year>2024</year>
        </date>
        <date date-type="accepted" iso-8601-date="2025-04-10">
          <day>10</day>
          <month>04</month>
          <year>2025</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2025-07-07">
          <day>07</day>
          <month>07</month>
          <year>2025</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2025 Д. В. Сербин, Г. В. Буслаев, А. Ю. Лаврик, В. Г. Кадочников, А. Н. Дмитриев</copyright-statement>
        <copyright-statement xml:lang="en">© 2025 Danil V. Serbin, Georgii V. Buslaev, Anna Yu. Lavrik, Vyacheslav G. Kadochnikov, Andrei N. Dmitriev</copyright-statement>
        <copyright-year>2025</copyright-year>
        <copyright-holder xml:lang="ru">Д. В. Сербин, Г. В. Буслаев, А. Ю. Лаврик, В. Г. Кадочников, А. Н. Дмитриев</copyright-holder>
        <copyright-holder xml:lang="en">Danil V. Serbin, Georgii V. Buslaev, Anna Yu. Lavrik, Vyacheslav G. Kadochnikov, Andrei N. Dmitriev</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/16610">https://pmi.spmi.ru/pmi/article/view/16610</self-uri>
      <abstract xml:lang="ru">
        <p>Приведены результаты лабораторных исследований процессов образования и разрушения эмульсий воды и кремнийорганической жидкости, а также образования и диссоциации гидратов азота в термобарических условиях, приближенных к условиям на контакте ледника и подледникового озера Восток с использованием комплекса Gas Hydrate Autoclaves GHA 350. В качестве исследуемой была выбрана кремнийорганическая жидкость – полидиметилсилоксан WACKER AK-10 (в российской классификации по ГОСТ 13032-77 – ПМС-10) плотностью 0,9359 г/cм3, кинетической вязкостью 10 мм2/с. Установлено, что понижение температуры эмульсии приводит к увеличению времени ее разрушения, образованию микроэмульсий и множественных эмульсий типа «масло – в воде – в масле», особенно это проявляется при температурах ≤10 °С. Среднее время разрушения эмульсии составило 107 с. Минимальное время разрушения эмульсии наблюдается при минимальной частоте вращения мешалки 100 об/мин и максимальной температуре 60 °С, а максимальное время разрушения эмульсии наблюдается при частоте вращения мешалки 500 об/мин и температуре –2,8 °С. Установлено, что гидраты азота образуются при давлении 35,0±0,5 МПа и температуре ≤ –1 °С.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The article presents the laboratory results of formation and breaking of water and organosilicon fluid emulsions, as well as formation and dissociation of nitrogen hydrates under PT conditions close to the conditions at the interface of a glacier and subglacial Lake Vostok using the Gas Hydrate Autoclaves GHA 350 complex. The studied organosilicon fluid was polydimethylsiloxane WACKER AK-10 (in the Russian classification according to GOST 13032-77, PMS-10) with a density of 0.9359 g/cm3 and a kinetic viscosity of 10 mm2/s. We found that a decrease in the emulsion temperature leads to an increase in the time of its breaking, the formation of microemulsions and multiple emulsions of the “oil – in water – in oil” type. This is especially evident at temperatures ≤10 °C. The average emulsion breaking time was 107 s. The minimum emulsion breaking time was observed at a minimum mixer rotation speed of 100 rpm and a maximum temperature of 60 °C, and the maximum emulsion breaking time was observed at a mixer rotation speed of 500 rpm and a temperature of –2.8 °C. We found that nitrogen hydrates were formed at a pressure of 35.0±0.5 MPa and a temperature of ≤ –1 °C.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>эмульсии</kwd>
        <kwd>кремнийорганические жидкости</kwd>
        <kwd>газовые гидраты</kwd>
        <kwd>бурение скважин во льду</kwd>
        <kwd>экологически чистые технологии бурения</kwd>
        <kwd>вскрытие подледникового озера Восток</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>emulsions</kwd>
        <kwd>organosilicon fluids</kwd>
        <kwd>gas hydrates</kwd>
        <kwd>ice drilling</kwd>
        <kwd>environmentally friendly drilling technologies</kwd>
        <kwd>opening of the subglacial Lake Vostok</kwd>
      </kwd-group>
      <funding-group>
        <funding-statement xml:lang="ru">Исследования выполнены в рамках Государственного задания № FSRW-2024-0003.</funding-statement>
        <funding-statement xml:lang="en">Research is executed within the State task N FSRW-2024-0003.</funding-statement>
      </funding-group>
    </article-meta>
  </front>
  <body/>
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