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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.2020.2.174</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-13302</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/13302</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 spacer fluids and cement slurries compositions for lining of wells at high temperatures</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Разработка составов буферных жидкостей и тампонажных растворов для крепления скважин в условиях высоких температур</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Tabatabaee Moradi</surname>
            <given-names>Seyyed Shahab </given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Табатабаи Моради</surname>
              <given-names>С.Ш. </given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Tabatabaee Moradi</surname>
              <given-names>Seyyed Shahab </given-names>
            </name>
          </name-alternatives>
          <email>stabatabaee@sut.ac.ir</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Технологический университет Саханд (Саханд, Иран)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Sahand University of Technology (Iran)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Nikolaev</surname>
            <given-names>Nikolay I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Николаев</surname>
              <given-names>Н. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Nikolaev</surname>
              <given-names>Nikolay I.</given-names>
            </name>
          </name-alternatives>
          <email>nikinik@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-8453-6934</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <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">
          <name name-style="eastern">
            <surname>Nikolaeva</surname>
            <given-names>Tatiana N.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Николаева</surname>
              <given-names>Т. Н.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Nikolaeva</surname>
              <given-names>Tatiana N.</given-names>
            </name>
          </name-alternatives>
          <email>tnn@spmi.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-1113-7155</contrib-id>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <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-group>
      <pub-date pub-type="epub" iso-8601-date="2020-04-24">
        <day>24</day>
        <month>04</month>
        <year>2020</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2020</year>
      </pub-date>
      <volume>242</volume>
      <fpage>174</fpage>
      <lpage>178</lpage>
      <history>
        <date date-type="received" iso-8601-date="2019-05-14">
          <day>14</day>
          <month>05</month>
          <year>2019</year>
        </date>
        <date date-type="accepted" iso-8601-date="2019-07-05">
          <day>05</day>
          <month>07</month>
          <year>2019</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2020-04-24">
          <day>24</day>
          <month>04</month>
          <year>2020</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2020 С.Ш.  Табатабаи Моради, Н. И. Николаев, Т. Н. Николаева</copyright-statement>
        <copyright-statement xml:lang="en">© 2020 Seyyed Shahab  Tabatabaee Moradi, Nikolay I. Nikolaev, Tatiana N. Nikolaeva</copyright-statement>
        <copyright-year>2020</copyright-year>
        <copyright-holder xml:lang="ru">С.Ш.  Табатабаи Моради, Н. И. Николаев, Т. Н. Николаева</copyright-holder>
        <copyright-holder xml:lang="en">Seyyed Shahab  Tabatabaee Moradi, Nikolay I. Nikolaev, Tatiana N. Nikolaeva</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/13302">https://pmi.spmi.ru/pmi/article/view/13302</self-uri>
      <abstract xml:lang="ru">
        <p>Работа посвящена созданию новых композиций технологических составов для крепления наклонно направленных скважин в условиях высоких температур. Разработанные составы обеспечивают высокие прочностные характеристики цементного камня. Показано, что с увеличением плотности упаковки компонентов тампонажного состава растут прочностные характеристики, и снижаются пористость и проницаемость цементного камня, при этом повышение температуры и давления ведет к существенному росту прочности на сжатие и изгиб, что связано с присутствием в них кварца. Установлено, что введение специальных структурообразующих добавок в состав разработанных тампонажных растворов позволяет формировать седиментационно устойчивые цементные системы, способные обеспечивать повышение прочностных характеристик цементного камня и, в целом, качества крепи наклонно направленных скважин. Исследование реологических свойств разработанных тампонажных составов показало, что системы имеют достаточно высокий предел текучести при повышенных температурах и давлениях. Разработанные составы буферных жидкостей на водной основе способствуют увеличению степени очистки как поверхностей обсадных колонн, так и горных пород от остатков бурового раствора и глинистой корки, что улучшает качество цементирования нефтяных и газовых скважин. Раскрыт механизм повышения моющей способности буферных жидкостей и прочностных характеристик цементного камня в зависимости от состава и свойств входящих в них компонентов.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Article is devoted to creation of new compositions of process solutions for lining of directional wells at high temperatures. Developed compositions provide high durability characteristics of cement stone. It is shown that with an increase in packing density of cementing slurry components durability characteristics increase and porosity and permeability of cement stone decrease, whereas an increase in temperature and pressure leads to a significant increase in compressive and bending durability, which is associated with presence of quartz in them. It has been established that introduction of special structure-forming additives to the composition of developed cementing solutions allows formation of sedimentation-resistant cement systems that can provide an increase in durability characteristics of cement stone and, in general, quality lining of directional wells. Study of rheological properties of developed cementing compositions showed that the systems have high yield strength at increased temperatures and pressures. Developed compositions of water-based spacer fluids increase the cleansing degree for both casing and rocks surfaces from mud and clay cake residues, which improves the cementing quality of oil and gas wells. Mechanism for increasing the washing ability of spacer fluids and durability characteristics of cement stone, depending on composition and properties of their constituent components, is disclosed.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>цементирование</kwd>
        <kwd>плотность упаковки</kwd>
        <kwd>наклонно направленная скважина</kwd>
        <kwd>расширение цементного камня</kwd>
        <kwd>седиментационная устойчивость</kwd>
        <kwd>буферная жидкость</kwd>
        <kwd>моющая способность</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>cementing</kwd>
        <kwd>packing density</kwd>
        <kwd>directional well</kwd>
        <kwd>cement stone expansion</kwd>
        <kwd>sedimentation stability</kwd>
        <kwd>spacer fluid</kwd>
        <kwd>washing ability</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
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