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  <front>
    <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.2021.1.7</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-13583</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/13583</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Нефтегазовое дело</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Oil and gas</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Development of viscoelastic systems and technologies for isolating  water-bearing horizons with abnormal formation pressures during  oil and gas wells drilling</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Разработка вязкоупругих систем и технологии изоляции  водоносных горизонтов с аномальными пластовыми давлениями при бурении нефтегазовых скважин</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Dvoynikov</surname>
            <given-names>Mikhail V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Двойников</surname>
              <given-names>М. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Dvoynikov</surname>
              <given-names>Mikhail V.</given-names>
            </name>
          </name-alternatives>
          <email>dvoinik72@gmail.com</email>
          <contrib-id contrib-id-type="orcid">0000-0002-3798-9938</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Kuchin</surname>
            <given-names>Vyacheslav N.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Кучин</surname>
              <given-names>В. Н.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kuchin</surname>
              <given-names>Vyacheslav N.</given-names>
            </name>
          </name-alternatives>
          <email>cuchin.vya4eslaw2013@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-3719-3873</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Mintzaev</surname>
            <given-names>Magomed Sh.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Минцаев</surname>
              <given-names>М. Ш.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Mintzaev</surname>
              <given-names>Magomed Sh.</given-names>
            </name>
          </name-alternatives>
          <email>rector@gstou.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-8388-4862</contrib-id>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <aff>
            <institution xml:lang="ru">Грозненский государственный нефтяной технический университет им. академика М.Д.Миллионщикова (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Grozny State Oil Technical University named after academician M.D. Millionshchikov (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2021-04-26">
        <day>26</day>
        <month>04</month>
        <year>2021</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2021</year>
      </pub-date>
      <volume>247</volume>
      <fpage>57</fpage>
      <lpage>65</lpage>
      <history>
        <date date-type="received" iso-8601-date="2020-07-02">
          <day>02</day>
          <month>07</month>
          <year>2020</year>
        </date>
        <date date-type="accepted" iso-8601-date="2021-02-16">
          <day>16</day>
          <month>02</month>
          <year>2021</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2021-04-26">
          <day>26</day>
          <month>04</month>
          <year>2021</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2021 М. В. Двойников, В. Н. Кучин, М. Ш. Минцаев</copyright-statement>
        <copyright-statement xml:lang="en">© 2021 Mikhail V. Dvoynikov, Vyacheslav N. Kuchin, Magomed Sh. Mintzaev</copyright-statement>
        <copyright-year>2021</copyright-year>
        <copyright-holder xml:lang="ru">М. В. Двойников, В. Н. Кучин, М. Ш. Минцаев</copyright-holder>
        <copyright-holder xml:lang="en">Mikhail V. Dvoynikov, Vyacheslav N. Kuchin, Magomed Sh. Mintzaev</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/13583">https://pmi.spmi.ru/pmi/article/view/13583</self-uri>
      <abstract xml:lang="ru">
        <p>В статье приведен краткий обзор осложнений, возникающих при строительстве нефтегазовых скважин в условиях аномально высоких и аномально низких пластовых давлений. Исследованы технологические свойства растворов, используемых для ликвидации аварийных ситуаций при бурении скважин в интервалах катастрофических поглощений и проявлений пластового флюида. Разработана технология, позволяющая изолировать водопроявление в интервалах избыточного пластового давления, основанная на применении специального устройства, обеспечивающего управление гидродинамического давления в кольцевом пространстве скважины. Проведен эксперимент по определению времени закачивания вязкоупругой системы в зависимости от ее реологии, свойств горной породы и технологических параметров процесса изоляции. Представлена математическая модель, основанная на применении специального устройства, позволяющая определить глубину проникновения вязкоупругой системы для блокирования водоносных горизонтов с целью предотвращения межпластовых перетоков и прорывов вод в добывающие скважины.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Article provides a brief overview of the complications arising during the construction of oil and gas wells in conditions of abnormally high and abnormally low formation pressures. Technological properties of the solutions used to eliminate emergency situations when drilling wells in the intervals of catastrophic absorption and influx of formation fluid have been investigated. A technology for isolating water influx in intervals of excess formation pressure has been developed. The technology is based on the use of a special device that provides control of the hydrodynamic pressure in the annular space of the well. An experiment was carried out to determine the injection time of a viscoelastic system depending on its rheology, rock properties and technological parameters of the isolation process. A mathematical model based on the use of a special device is presented. The model allows determining the penetration depth of a viscoelastic system to block water-bearing horizons to prevent interformation crossflows and water breakthrough into production wells.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>бурение</kwd>
        <kwd>изоляция</kwd>
        <kwd>обводненность</kwd>
        <kwd>вязкоупругие системы</kwd>
        <kwd>блокирование</kwd>
        <kwd>устройство-регулятор давления</kwd>
        <kwd>гидромеханический пакер</kwd>
        <kwd>крепление скважин</kwd>
        <kwd>моделирование</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>drilling</kwd>
        <kwd>isolation</kwd>
        <kwd>water cut</kwd>
        <kwd>viscoelastic systems</kwd>
        <kwd>blocking</kwd>
        <kwd>pressure-regulating device</kwd>
        <kwd>hydromechanical packer</kwd>
        <kwd>wells lining</kwd>
        <kwd>modeling</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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