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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.2021.5.8</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-15544</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15544</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">Influence of hydraulic compression on porosity  and permeability properties of reservoirs</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Влияние гидравлического сжатия пласта  на фильтрационно-емкостные свойства пластов-коллекторов</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Khuzin</surname>
            <given-names>Rinat R.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Хузин</surname>
              <given-names>Р. Р.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Khuzin</surname>
              <given-names>Rinat R.</given-names>
            </name>
          </name-alternatives>
          <email>karbon@tatais.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-4911-1759</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">ООО «Карбон-Ойл» (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">“Carbon-Oil” LLC (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Andreev</surname>
            <given-names>Vadim E.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Андреев</surname>
              <given-names>В. Е.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Andreev</surname>
              <given-names>Vadim E.</given-names>
            </name>
          </name-alternatives>
          <email>intnm@ya.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-4911-1759</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Уфимский государственный нефтяной технический университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Ufa State Oil Technical University (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Mukhametshin</surname>
            <given-names>Vyacheslav V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Мухаметшин</surname>
              <given-names>В. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Mukhametshin</surname>
              <given-names>Vyacheslav V.</given-names>
            </name>
          </name-alternatives>
          <email>vv@of.ugntu.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-3283-1047</contrib-id>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <aff>
            <institution xml:lang="ru">Уфимский государственный нефтяной технический университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Ufa State Oil Technical University (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Kuleshova</surname>
            <given-names>Lyubov S.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Кулешова</surname>
              <given-names>Л. С.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kuleshova</surname>
              <given-names>Lyubov S.</given-names>
            </name>
          </name-alternatives>
          <email>markl212@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-2975-3666</contrib-id>
          <xref ref-type="aff" rid="aff4"/>
        </contrib>
        <aff-alternatives id="aff4">
          <aff>
            <institution xml:lang="ru">Филиал Уфимского государственного нефтяного технического университета в г. Октябрьском (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Branch of Ufa State Oil Technical University in Oktyabrskiy (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Dubinskiy</surname>
            <given-names>Gennadiy S.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Дубинский</surname>
              <given-names>Г. С.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Dubinskiy</surname>
              <given-names>Gennadiy S.</given-names>
            </name>
          </name-alternatives>
          <email>intnm-gsd@ya.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-7728-0408</contrib-id>
          <xref ref-type="aff" rid="aff5"/>
        </contrib>
        <aff-alternatives id="aff5">
          <aff>
            <institution xml:lang="ru">Уфимский государственный нефтяной технический университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Ufa State Oil Technical University (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Safiullina</surname>
            <given-names>Аlbina R.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Сафиуллина</surname>
              <given-names>А. Р.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Safiullina</surname>
              <given-names>Аlbina R.</given-names>
            </name>
          </name-alternatives>
          <email>safiullina.a.r@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-3444-8132</contrib-id>
          <xref ref-type="aff" rid="aff6"/>
        </contrib>
        <aff-alternatives id="aff6">
          <aff>
            <institution xml:lang="ru">Филиал Уфимского государственного нефтяного технического университета в г. Октябрьском (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Branch of Ufa State Oil Technical University in Oktyabrskiy (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2021-12-16">
        <day>16</day>
        <month>12</month>
        <year>2021</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2021</year>
      </pub-date>
      <volume>251</volume>
      <fpage>688</fpage>
      <lpage>697</lpage>
      <history>
        <date date-type="received" iso-8601-date="2021-07-07">
          <day>07</day>
          <month>07</month>
          <year>2021</year>
        </date>
        <date date-type="accepted" iso-8601-date="2021-10-18">
          <day>18</day>
          <month>10</month>
          <year>2021</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2021-12-16">
          <day>16</day>
          <month>12</month>
          <year>2021</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2021 Р. Р. Хузин, В. Е. Андреев, В. В. Мухаметшин, Л. С. Кулешова, Г. С. Дубинский, А. Р. Сафиуллина</copyright-statement>
        <copyright-statement xml:lang="en">© 2021 Rinat R. Khuzin, Vadim E. Andreev, Vyacheslav V. Mukhametshin, Lyubov S. Kuleshova, Gennadiy S. Dubinskiy, Аlbina R. Safiullina</copyright-statement>
        <copyright-year>2021</copyright-year>
        <copyright-holder xml:lang="ru">Р. Р. Хузин, В. Е. Андреев, В. В. Мухаметшин, Л. С. Кулешова, Г. С. Дубинский, А. Р. Сафиуллина</copyright-holder>
        <copyright-holder xml:lang="en">Rinat R. Khuzin, Vadim E. Andreev, Vyacheslav V. Mukhametshin, Lyubov S. Kuleshova, Gennadiy S. Dubinskiy, Аlbina R. Safiullina</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/15544">https://pmi.spmi.ru/pmi/article/view/15544</self-uri>
      <abstract xml:lang="ru">
        <p>Активное освоение трудноизвлекаемых запасов нефти вызывает потребность в инновационном подходе к методам извлечения нефти и интенсификации ее добычи, основанных на учете специфики процессов фильтрации в малопродуктивных коллекторах и сложных геолого-физических условиях. Представлены проведенные опытно-промышленные работы по изучению механизма изменения фильтрационно-емкостных свойств коллекторов при свабировании скважин. На основании выполненных гидродинамических исследований проанализированы результаты работ. Разработан способ интенсификации добычи нефти методом гидравлического сжатия пластов. Показано, что при использовании технологии гидравлического сжатия пластов в поровом пространстве пласта сильно уменьшается действие сил капиллярно-гравитационной природы. Влияние этих сил уменьшается при формировании значительных градиентов давления с изменяющимся направлением во время свабирования скважины для депрессионного воздействия на призабойную зону пласта. Гидравлическое сжатие вызвало прирост продуктивности скважины и ее дебита; уточнены представления о том, как изменяются фильтрационно-емкостные свойства при свабировании скважины. Для верейских отложений Мелекесской впадины и Южно-Татарского свода определен диапазон прочности на сжатие (минимальные и максимальные значения). Воздействие гидравлического сжатия пласта вызвало изменения фильтрационно-емкостных свойств коллектора в призабойной зоне на качественном уровне. Увеличилась пьезо- и гидропроводность на 20 %. Опытные работы в скважине № 1545 Кереметьевского месторождения показали рост коэффициентов пьезо- и гидропроводности, работающей толщины пласта, изменение характера фильтрационных потоков.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Active development of hard-to-recover oil reserves causes the need for an innovative approach to methods of oil recovery and intensification of its production, based on taking into account the specifics of filtration processes in low-productive reservoirs and complex geological and physical conditions. Pilot works for studying the mechanism of changes in porosity and permeability properties of reservoirs during swabbing of wells are presented. Based on the hydrodynamic investigations performed, the results of the work are analyzed. The method of oil production intensification using hydraulic compression of formation has been developed. It has been shown that when using hydraulic compression technology in the pore space of the formation, the effect of capillary and gravitational forces is strongly reduced. The influence of these forces decreases when significant pressure gradients with changing direction are formed during well swabbing for depression impact on the bottomhole zone of the formation. Hydraulic compression induced an increase in well productivity and flow rate; insights into how how permeability and porosity properties change during well swabbing were clarified. The range of compressive durability (minimum and maximum values) was determined for the Verean deposits of the Melekeskaya Depression and the South Tatar arch. The impact of formation hydraulic compression caused changes in permeability and porosity properties of the reservoir in the bottomhole zone on a qualitative level. Piezo- and hydraulic conductivity increased by 20 %. Experimental work in well 1545 of Keremetyevskoe field showed an increase of piezo- and hydraulic conductivity coefficients, effective formation thickness, change of filtration flows character.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>трудноизвлекаемые запасы</kwd>
        <kwd>свабирование</kwd>
        <kwd>карбонатные коллекторы</kwd>
        <kwd>фильтрационно-емкостные свойства</kwd>
        <kwd>кривая восстановления давления</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>hard-to-recover reserves</kwd>
        <kwd>swabbing</kwd>
        <kwd>carbonate reservoirs</kwd>
        <kwd>permeability and porosity properties</kwd>
        <kwd>pressure recovery curve</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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