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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 custom-type="pmi" pub-id-type="custom">pmi-11968</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/11968</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Без раздела</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Without section</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Method of accounting taking into account for the correction for the variability of the sound velocity during sonar at sounding survey of technical wells</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Способ учета поправки на непостоянство скорости звука при звуколокационной съемке технических скважин</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Chumak</surname>
            <given-names>V. K.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Чумак</surname>
              <given-names>В. К.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Chumak</surname>
              <given-names>V. K.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru"/>
          </aff>
          <aff>
            <institution xml:lang="en"/>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1969-09-12">
        <day>12</day>
        <month>09</month>
        <year>1969</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1969</year>
      </pub-date>
      <volume>59</volume>
      <issue>1</issue>
      <fpage>47</fpage>
      <lpage>53</lpage>
      <history>
        <date date-type="received" iso-8601-date="1968-07-23">
          <day>23</day>
          <month>07</month>
          <year>1968</year>
        </date>
        <date date-type="accepted" iso-8601-date="1968-09-06">
          <day>06</day>
          <month>09</month>
          <year>1968</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1969-09-12">
          <day>12</day>
          <month>09</month>
          <year>1969</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 1969 В. К. Чумак</copyright-statement>
        <copyright-statement xml:lang="en">© 1969 V. K. Chumak</copyright-statement>
        <copyright-year>1969</copyright-year>
        <copyright-holder xml:lang="ru">В. К. Чумак</copyright-holder>
        <copyright-holder xml:lang="en">V. K. Chumak</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/11968">https://pmi.spmi.ru/pmi/article/view/11968</self-uri>
      <abstract xml:lang="ru">
        <p>В процессе бурения и крепления технических скважин большого диаметра (1,0-3,6 м) возникает ряд технических задач, решение которых представляется возможным в том случае, если известны геометрия и размеры ствола скважины (искривление оси, величина разработки стенок и т. д.), а также положение крепи при ее возведении. Скважины бурятся вертикально глубиной до 1000 м. Бурение ведется с применением промывочной жидкости, в качестве которой используется глинистый раствор с удельным весом до 1,25 г/см² в зависимости от крепости пород. ...</p>
      </abstract>
      <abstract xml:lang="en">
        <p>In the process of drilling and supporting technical wells of large diameter (1.0‑3.6 m) there are a number of technical problems, the solution of which is possible only if the geometry and dimensions of the borehole (curvature of the axis, the size of wall enlargement, etc.), as well as the position of the support during its construction are known. Wells are drilled vertically up to 1000 m deep. Drilling is carried out with the use of a flushing fluid, for which a clay solution with a specific gravity of up to 1.25 g/cm² depending on the strength of the rocks is used.</p>
      </abstract>
    </article-meta>
  </front>
  <body/>
  <back>
    <ref-list>
      <ref id="ref1">
        <label>1</label>
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  </back>
</article>
