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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 pub-id-type="doi">10.31897/PMI.2022.95</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-15575</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15575</article-id>
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      <title-group>
        <article-title xml:lang="en">Parameter determination of the method of directional unloading  of the reservoir based on physical modelling on a true triaxial loading setup</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Определение параметров метода направленной разгрузки пласта на основе физического моделирования на установке истинно трехосного нагружения</trans-title>
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      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Karev</surname>
            <given-names>Vladimir I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Карев</surname>
              <given-names>В. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Karev</surname>
              <given-names>Vladimir I.</given-names>
            </name>
          </name-alternatives>
          <email>wikarev@ipmnet.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-3983-4320</contrib-id>
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          <aff>
            <institution xml:lang="ru">Институт проблем механики РАН (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Institute for Problems in Mechanics, RAS (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Kovalenko</surname>
            <given-names>Yurii F.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Коваленко</surname>
              <given-names>Ю. Ф.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kovalenko</surname>
              <given-names>Yurii F.</given-names>
            </name>
          </name-alternatives>
          <email>perfolinkgeo@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-6128-1737</contrib-id>
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          <aff>
            <institution xml:lang="ru">Институт проблем механики РАН (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Institute for Problems in Mechanics, RAS (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Khimulia</surname>
            <given-names>Valerii V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Химуля</surname>
              <given-names>В. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Khimulia</surname>
              <given-names>Valerii V.</given-names>
            </name>
          </name-alternatives>
          <email>valery.khim@gmail.com</email>
          <contrib-id contrib-id-type="orcid">0000-0003-2116-6483</contrib-id>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <aff>
            <institution xml:lang="ru">Институт проблем механики РАН (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Institute for Problems in Mechanics, RAS (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Shevtsov</surname>
            <given-names>Nikolai I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Шевцов</surname>
              <given-names>Н. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Shevtsov</surname>
              <given-names>Nikolai I.</given-names>
            </name>
          </name-alternatives>
          <email>red3991@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-0792-2262</contrib-id>
          <xref ref-type="aff" rid="aff4"/>
        </contrib>
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          <aff>
            <institution xml:lang="ru">Институт проблем механики РАН (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Institute for Problems in Mechanics, RAS (Russia)</institution>
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      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2022-12-29">
        <day>29</day>
        <month>12</month>
        <year>2022</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2022</year>
      </pub-date>
      <volume>258</volume>
      <fpage>906</fpage>
      <lpage>914</lpage>
      <history>
        <date date-type="received" iso-8601-date="2021-09-01">
          <day>01</day>
          <month>09</month>
          <year>2021</year>
        </date>
        <date date-type="accepted" iso-8601-date="2022-10-07">
          <day>07</day>
          <month>10</month>
          <year>2022</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2022-12-29">
          <day>29</day>
          <month>12</month>
          <year>2022</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2022 В. И. Карев, Ю. Ф. Коваленко, В. В. Химуля, Н. И. Шевцов</copyright-statement>
        <copyright-statement xml:lang="en">© 2022 Vladimir I. Karev, Yurii F. Kovalenko, Valerii V. Khimulia, Nikolai I. Shevtsov</copyright-statement>
        <copyright-year>2022</copyright-year>
        <copyright-holder xml:lang="ru">В. И. Карев, Ю. Ф. Коваленко, В. В. Химуля, Н. И. Шевцов</copyright-holder>
        <copyright-holder xml:lang="en">Vladimir I. Karev, Yurii F. Kovalenko, Valerii V. Khimulia, Nikolai I. Shevtsov</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/15575">https://pmi.spmi.ru/pmi/article/view/15575</self-uri>
      <abstract xml:lang="ru">
        <p>Представлен способ теоретического и экспериментального обоснования возможности применения метода направленной разгрузки пласта на месторождениях с низкопроницаемыми коллекторами. Актуальность статьи обусловлена сокращением ресурсной базы углеводородного сырья в современных условиях и необходимостью создания новых эффективных экологически чистых технологий разработки месторождений углеводородов с трудноизвлекаемыми запасам, прежде всего с низкопроницаемыми коллекторами. Приведены результаты теоретического изучения напряженно-деформированного состояния в окрестности скважины, как обсаженной, так и необсаженной, необходимые для разработки программ лабораторных испытаний образцов керна исследуемых месторождений. Описана методика физического моделирования деформационных процессов в призабойной зоне при понижении давления на забое скважины на установке истинно трехосного нагружения с целью определения параметров технологического воздействия на пласт, приводящего к увеличению продуктивности скважины. Способ был применен для условий низкопроницаемого коллектора Верхневилючанского нефтегазоконденсатного месторождения, расположенного на юго-западе Республики Саха (Якутия). Экспериментальные исследования проводились на созданной в ИПМех РАН уникальной научной установке истинно трехосного нагружения – Испытательной системе трехосного независимого нагружения. Проведена адаптация метода направленной разгрузки для исследуемого месторождения, определены технологические параметры успешного применения метода: конструкция забоя, величины депрессии, необходимые для увеличения проницаемости призабойной зоны пласта.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The article presents a theoretical and experimental substantiation of the method of directional unloading of the reservoir in fields with low-permeability reservoirs. The relevance of the article is due to the reduction of hydrocarbon resources in modern conditions and the need to create new efficient environmentally friendly technologies to develop hydrocarbon deposits with hard-to-recover reserves, primarily with low-permeability reservoirs. The results of a theoretical study of the stress-strain state in the vicinity of a well, both cased and open, are presented. They are necessary to develop programs for laboratory testing of core specimens from the studied fields. A technique for physical modelling of deformation processes in the bottomhole zone with a decrease in pressure at the well bottom in a true triaxial loading unit is described in order to determine the parameters of the process impact on the formation reservoir, leading to an increase in well productivity. The method was applied to the conditions of the low-permeability reservoir at the Verkhneviluchanskoye oil and gas condensate field in the southwest of the Republic of Sakha (Yakutia). Expe-rimental studies were carried out on a unique scientific unit for true triaxial loading, created at the IPMech RAS, the Triaxial Independent Loading Test System. The directional unloading method was adapted for the studied field, the process parameters of successful application of the method were determined: the bottomhole design, the drawdown values necessary to increase the permeability of the bottomhole formation zone.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>истинно трехосные испытания</kwd>
        <kwd>горные породы</kwd>
        <kwd>скважина</kwd>
        <kwd>перфорационное отверстие</kwd>
        <kwd>напряжения</kwd>
        <kwd>направленная разгрузка пласта</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>true triaxial tests</kwd>
        <kwd>rocks</kwd>
        <kwd>well</kwd>
        <kwd>perforation</kwd>
        <kwd>stress</kwd>
        <kwd>method of directional unloading reservoir</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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