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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Engineering Research</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Engineering Research</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Инженерные исследования</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2312-8143</issn><issn publication-format="electronic">2312-8151</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">4807</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Effect of polarity and additive compound in reduction of oil viscosity</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние эффектов полярности и добавок на снижение вязкости тяжелой нефти</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vorob'ev</surname><given-names>A E</given-names></name><name xml:lang="ru"><surname>Воробьёв</surname><given-names>Александр Егорович</given-names></name></name-alternatives><bio xml:lang="ru">Кафедра нефтепромысловой геологии, горного и нефтегазового дела</bio><email>fogel_al@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Aghamohamadighalejoghi</surname><given-names>M</given-names></name><name xml:lang="ru"><surname>Агхамохаммадигалехджуги</surname><given-names>Мухаммад</given-names></name></name-alternatives><bio xml:lang="ru">Кафедра нефтепромысловой геологии, горного и нефтегазового дела</bio><email>fogel_al@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khabarov</surname><given-names>D N</given-names></name><name xml:lang="ru"><surname>Хабаров</surname><given-names>Дмитрий Н</given-names></name></name-alternatives><bio xml:lang="ru">Кафедра нефтепромысловой геологии, горного и нефтегазового дела</bio><email>dm.khabarov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">The Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2014-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2014</year></pub-date><issue>1</issue><issue-title xml:lang="en">NO1 (2014)</issue-title><issue-title xml:lang="ru">№1 (2014)</issue-title><fpage>103</fpage><lpage>107</lpage><history><date date-type="received" iso-8601-date="2016-09-07"><day>07</day><month>09</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="ru">Copyright ©; 2014, Воробьёв А.Е., Агхамохаммадигалехджуги М., Хабаров Д.Н.</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Воробьёв А.Е., Агхамохаммадигалехджуги М., Хабаров Д.Н.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/engineering-researches/article/view/4807">https://journals.rudn.ru/engineering-researches/article/view/4807</self-uri><abstract xml:lang="en">In order heavy oils to be transported via pipeline from the source, the viscosity must be lower than 150 centistokes at 100 °F. The crude oils being very viscous on extraction have to go through some processing, therefor this paper investigate the effect of polarity and effect of additive to detect the influence of this material on reduction of heavy oil viscosity.</abstract><trans-abstract xml:lang="ru">Добываемая на промыслах нефть содержит разное количество примесей и является сырым, высоковязким продуктом. С целью понижения вязкости нефти применяют разные методы переработки нефти (эффект полярности, эффект добавок).</trans-abstract><kwd-group xml:lang="en"><kwd>reduce</kwd><kwd>viscosityheavy oil</kwd><kwd>effect of polarity</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>снижение вязкости</kwd><kwd>тяжелая нефть</kwd><kwd>действие полярности</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Воробьев А.Е. , Джимиева Р.Б., Чекушина Е.В. // Научный вестник норильского индустриального института. — 2009. — № 5. — С. 53—63.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Hermes R.A. Oil and gas journal. — 1998. — № 16.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Badger W., Schobert H. Viscosity reduction in heavy crude oils mark. The Laboratory for hydrocarbon process chemistry. 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