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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.2019.4.415</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-13216</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/13216</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">Improving the Operation of Pump-ejector Systems  at Varying Flow Rates of Associated Petroleum Gas</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Совершенствование эксплуатации насосно-эжекторных систем при изменяющихся расходах попутного нефтяного газа</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Drozdov</surname>
            <given-names>A. N.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Дроздов</surname>
              <given-names>А. Н.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Drozdov</surname>
              <given-names>A. N.</given-names>
            </name>
          </name-alternatives>
          <email>drozdov_an@mail.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Российский университет дружбы народов (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Peoples' Friendship University of Russia (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Gorbyleva</surname>
            <given-names>Ya. A.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Горбылева</surname>
              <given-names>Я. А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Gorbyleva</surname>
              <given-names>Ya. A.</given-names>
            </name>
          </name-alternatives>
          <email>yana_gorbyleva@mail.ru</email>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Российский государственный университет нефти и газа (НИУ) имени И.М.Губкина (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">National University of Oil and Gas «Gubkin University» (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2019-08-23">
        <day>23</day>
        <month>08</month>
        <year>2019</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2019</year>
      </pub-date>
      <volume>238</volume>
      <fpage>415</fpage>
      <lpage>422</lpage>
      <history>
        <date date-type="received" iso-8601-date="2019-03-13">
          <day>13</day>
          <month>03</month>
          <year>2019</year>
        </date>
        <date date-type="accepted" iso-8601-date="2019-05-18">
          <day>18</day>
          <month>05</month>
          <year>2019</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2019-08-23">
          <day>23</day>
          <month>08</month>
          <year>2019</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2019 А. Н. Дроздов, Я. А. Горбылева</copyright-statement>
        <copyright-statement xml:lang="en">© 2019 A. N. Drozdov, Ya. A. Gorbyleva</copyright-statement>
        <copyright-year>2019</copyright-year>
        <copyright-holder xml:lang="ru">А. Н. Дроздов, Я. А. Горбылева</copyright-holder>
        <copyright-holder xml:lang="en">A. N. Drozdov, Ya. A. Gorbyleva</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/13216">https://pmi.spmi.ru/pmi/article/view/13216</self-uri>
      <abstract xml:lang="ru">
        <p>Применение насосно-эжекторных систем для утилизации попутного нефтяного газа снижает негативное влияние на окружающую среду от его сжигания на факеле, а также позволяет реализовывать перспективный метод водогазового воздействия на пласт, эффективно увеличивающий нефтеотдачу. Не менее целесообразным является использование насосно-эжекторных систем при эксплуатации нефтяных скважин с высоким газовым фактором, низкими забойными давлениями для увеличения дебитов и повышения межремонтного периода. Существенное изменение расхода попутного нефтяного газа во времени является серьезной проблемой для эффективной эксплуатации насосно-эжекторных систем при утилизации попутного нефтяного газа. Для обеспечения рациональной работы насосно-эжекторной системы при условии изменяющегося расхода попутного нефтяного газа были проведены экспериментальные исследования характеристик жидкостно-газового эжектора. В статье изложены результаты проведенных исследований, получены напорно-энергетические характеристики исследуемого струйного аппарата при различных значениях давления рабочего потока перед соплом эжектора. Установлена возможность адаптации работы насосно-эжекторных систем к изменениям расхода откачиваемого газа, регулируемого рабочим давлением и расходом жидкости через сопло. Для успешного изменения работы насосно-эжекторной системы рассматривается возможность частотного регулирования вращения вала насоса при изменении расхода газа в небольшом диапазоне значений. При большом различии в значениях возможного расхода попутного нефтяного газа рекомендуется дополнение частотного регулирования методом периодической кратковременной эксплуатации. Отмечается возможность повышения эффективности работы насосно-эжекторной системы при использовании в качестве рабочей жидкости растворов солей с концентрацией, способствующей подавлению коалесценции пузырьков.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Application of pump-ejector systems for the utilization of associated petroleum gas reduces the negative environmental impact of its flaring, and also allows the implementation of a promising method of water-gas stimulation of the formation, which effectively increases oil recovery. Equally feasible is the use of pump-ejector systems in the operation of oil wells with a high gas factor, low bottomhole pressures to increase production rates and increase the turnaround period. A significant change in the flow rate of associated petroleum gas over time is a serious problem for the efficient operation of pump-ejector systems for the utilization of associated petroleum gas. To ensure the rational operation of the pump-ejector system under the condition of a variable flow rate of associated petroleum gas, experimental studies of a liquid-gas ejector characteristics were carried out. The article presents the results of the research, obtained pressure-energy characteristics of the investigated jet apparatus at various values of the working stream pressure before the ejector nozzle. The possibility of adapting the operation of pump-ejector systems to changes in the flow rate of the pumped gas, regulated by the working pressure and fluid flow rate through the nozzle is revealed. To successfully change the operation of the pump-ejector system, the possibility of frequency regulation of the pump shaft's rotation at changing gas flow rates in a small range of values is considered. With a large difference in the values of the possible flow rate of associated petroleum gas, it is recommended that frequency regulation should be supplemented by periodic short-term operation. The possibility of increasing the efficiency of the pump-ejector system when using salt solutions with a concentration that contributes to the suppression of bubble coalescence is noted.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>попутный нефтяной газ</kwd>
        <kwd>насосно-эжекторные системы</kwd>
        <kwd>характеристика жидкостно-газового эжектора</kwd>
        <kwd>частотное регулирование</kwd>
        <kwd>периодическая кратковременная эксплуатация</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>associated petroleum gas</kwd>
        <kwd>pump-ejector systems</kwd>
        <kwd>characteristic of liquid-gas ejector</kwd>
        <kwd>frequency regulation</kwd>
        <kwd>periodic short-term operation</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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