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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">energy</journal-id><journal-title-group><journal-title xml:lang="ru">Энергетика. Известия высших учебных заведений и энергетических объединений СНГ</journal-title><trans-title-group xml:lang="en"><trans-title>ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1029-7448</issn><issn pub-type="epub">2414-0341</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/1029-7448-2020-63-5-462-471</article-id><article-id custom-type="elpub" pub-id-type="custom">energy-1997</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕПЛОЭНЕРГЕТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>НEAT POWER ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Повышение энергоэффективности использования скважинных струйных насосов</article-title><trans-title-group xml:lang="en"><trans-title>Improving the Energy Efficiency of the Use of Borehole Jet Pumps</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Паневник</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Panevny</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Ивано-Франковск</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Паневник</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Panevny</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки: Паневник Александр Васильевич – Ивано-Франковский национальный технический университет нефти и газа, ул. Карпатская, 15,  76018, г. Ивано-Франковск, Украина.  Тел.: +380 342 72-71-01</p><p>о.v.panevnik@gmail.com</p></bio><bio xml:lang="en"><p>Address for correspondence: Panevnyk Aleksandr V. - Ivano-Frankivsk National Technical University of Oil and Gas, 15, Karpatskaia str., 76018, Ivano-Frankivsk, Ukraine. Tel.: +380 342 72-71-01</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ивано-Франковский национальный технический университет нефти и газа</institution><country>Украина</country></aff><aff xml:lang="en"><institution>Ivano-Frankivsk National Technical University of Oil and</institution><country>Ukraine</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>13</day><month>10</month><year>2020</year></pub-date><volume>63</volume><issue>5</issue><fpage>462</fpage><lpage>471</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Паневник Д.А., Паневник А.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Паневник Д.А., Паневник А.В.</copyright-holder><copyright-holder xml:lang="en">Panevny D.A., Panevny A.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://energy.bntu.by/jour/article/view/1997">https://energy.bntu.by/jour/article/view/1997</self-uri><abstract><p>Приведено обоснование выбора глубины установки нефтяного струйного насоса в скважине, обеспечивающей его работу в режиме максимального коэффициента полезного действия. Режимные параметры эжекционной системы определяются совместным решением уравнений характеристики высоконапорного струйного насоса и гидравлической системы. В процессе решения системы уравнений использованы метод последовательных приближений, программная среда Delphi и ресурсы PTC Mathсad. Уравнение характеристики гидравлической системы струйного насоса получено на основе определения давлений в ее отличительных сечениях с последующим представлением их значений в виде относительного (безразмерного) напора эжекционной системы. Величины давлений смешанного, рабочего и эжектируемого потоков представлены в безразмерной форме в виде относительного напора эжекционной системы. Смена глубины установки струйного насоса изменяет характеристику его гидравлической системы, параметры рабочей точки насосной установки и ее КПД. При этом минимально допустимая глубина установки струйного насоса определяет-ся величиной минимального давления в элементах эжекционной системы, которое должно превышать значение давления упругости насыщенных паров нефтегазоводяного потока и обеспечивать ее эксплуатацию в докавитационном режиме. Вероятность работы струйного насоса в кавитационном режиме исследована с использованием уравнений Бернулли, Дарси – Вейсбаха и сплошности потока. Выявлена обратно пропорциональная зависимость коэффициента эжекции и КПД струйного насоса от глубины его установки в скважине. В случае установки струйного насоса в скважине на оптимальной глубине его КПД увеличивается на 30 %.</p></abstract><trans-abstract xml:lang="en"><p>The article presents rationales for choosing the depth of installation of an oil jet pump in the borehole that which ensures maximum efficiency of its operation. The operating parameters of the ejection system are determined by the joint solution of the characteristic equations of the high-pressure jet pump and the hydraulic system. In the process of solving the system of equations, the method of successive approximations, the Delphi software environment and PTC Mathcad resources were used. The equation of the characteristics of the jet pump hydraulic system was obtained by determining the pressures in its distinctive cross-sections and then presenting their values as the relative (dimensionless) head of the ejection system. Alteration the installation depth of the jet pump changes the characteristics of its hydraulic system, the parameters of the operating point of the pumping unit and its efficiency. In this case, the minimum permissible installation depth of the jet pump is determined by the value of the minimum pressure in the elements of the ejection system, which must exceed the value of the elastic pressure of saturated vapors of the oil and gas flow and ensure its operation in pre-cavitation mode. The probability of operation of a jet pump in cavitation mode was studied using the Bernoulli, Darcy – Weisbach and flow continity equations. The inversely dependence of the ejection coefficient and efficiency of the jet pump on the depth of its installation in the borehole has been revealed. If the jet pump is installed in the borehole at the optimal depth, its efficiency is increased by 30 %.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эжекционные технологии</kwd><kwd>эжекционная система</kwd><kwd>КПД насоса</kwd><kwd>гидравлическая система</kwd><kwd>рабо-чая точка насосной установки</kwd><kwd>коэффициент эжекции</kwd><kwd>кавитация  в струйном насосе</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ejector technologies</kwd><kwd>ejection system</kwd><kwd>pump efficiency</kwd><kwd>hydraulic system</kwd><kwd>working point of the pump unit</kwd><kwd>ejection coefficient</kwd><kwd>cavitation in the jet pump</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Zhu, H.-Y. Reducing the Bottom-Hole Differential Pressure by Vortex and Hydraulic Jet Methods / H.-Y. Zhu, Q.-Y. Liu, T. Wang // Journal of Vibroengineering. 2014. Vol. 16, No 5. 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