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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">proneft</journal-id><journal-title-group><journal-title xml:lang="ru">PROНЕФТЬ. Профессионально о нефти</journal-title><trans-title-group xml:lang="en"><trans-title>PROneft. Professionally about Oil</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-7399</issn><issn pub-type="epub">2588-0055</issn><publisher><publisher-name>«Газпром нефть»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24887/2587-7399-2020-1-42-46</article-id><article-id custom-type="elpub" pub-id-type="custom">proneft-200</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>РАЗРАБОТКА И ЭКСПЛУАТАЦИЯ НЕФТЯНЫХ МЕСТОРОЖДЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DEVELOPMENT AND OPERATION OF OIL FIELDS</subject></subj-group></article-categories><title-group><article-title>Оценка и классификация невовлекаемых запасов по критерию сложности разработки (на примере Салымской группы месторождений)</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation and classification of proved and undeveloped OOIP by reservoir complexity index (in case of Salym brown oil fields)</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>Наугольнов</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Naugolnov</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Saint-Petersburg</p></bio><email xlink:type="simple">Naugolnov.MV@gazpromneft-ntc.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Габитова</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gabitova</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="en"><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Муртазин</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Murtazin</surname><given-names>R. I.</given-names></name></name-alternatives><bio xml:lang="en"><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Климов</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Klimov</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="en"><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гришко</surname><given-names>Ф. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Grishko</surname><given-names>F. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Эдельман</surname><given-names>И. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Edelman</surname><given-names>I. Ya.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-Технический Центр «Газпром нефти» (ООО «Газпромнефть НТЦ»)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Gazpromneft NTC LLC</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Cалым Петролеум Девелопмент Н.В.</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Salym Petroleum Development N.V.</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>08</day><month>06</month><year>2022</year></pub-date><volume>0</volume><issue>1</issue><fpage>42</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Наугольнов М.В., Габитова С.И., Муртазин Р.И., Климов В.Ю., Гришко Ф.В., Эдельман И.Я., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Наугольнов М.В., Габитова С.И., Муртазин Р.И., Климов В.Ю., Гришко Ф.В., Эдельман И.Я.</copyright-holder><copyright-holder xml:lang="en">Naugolnov M.V., Gabitova S.I., Murtazin R.I., Klimov V.Y., Grishko F.V., Edelman I.Y.</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://proneft.elpub.ru/jour/article/view/200">https://proneft.elpub.ru/jour/article/view/200</self-uri><abstract><p>Предложен подход к оценке и классификации остаточных невовлекаемых запасов на основе критерия сложности разработки. Введено понятие невовлекаемых запасов. Для оценки возможных извлекаемых запасов был проведен сценарный расчет коэффициента извлечения нефти (КИН) по модели Эль-Хатиба на основе статистического метода - характеристик вытеснения. Авторами разработан экспресс-метод оценки и классификации невовлекаемых запасов на основе комплексного индекса сложности разработки RCI. Для оперативной оценки запасов, авторами предлагается использовать модель RCI с тремя параметрами: проницаемость пласта, запускная обводненность, которая определяется начальной нефтенасыщенностью, степенью Corey по нефти, воде, максимальной относительной проницаемостью для нефти и для воды, эффективностью заводнения, определяемой через коэффициенты вертикальной неоднородности (Дикстра-Парсонса) и латеральной неоднородности. Кроме того, предложен новый способ оценки эффективности заводнения - определение накопленного перетока жидкости через единицу порового объема с использованием гидродинамического симулятора. Далее на основе полученных критериев возможна оценка остаточных извлекаемых запасов: с увеличением критерия возрастает сложность разработки. Предложенный универсальный подход к оценке и классификации геологических запасов дает возможность выбрать оптимальную систему разработки.</p></abstract><trans-abstract xml:lang="en"><p>The proposed approach allows to evaluate and classify residual non-recoverable OOIP basing on the criterion of development com-plexity. The concept of uninvolved reserves is introduced. To evaluate possible recoverable reserves, a scenario calculation of the oil recovery factor was performed, according to the El-Khatib model based on the statistical method - displacement characteristics. Au-thors developed an express method for evaluation and classification of non-recoverable reserves based on a comprehensive RCI de-velopment complexity index. For a quick evaluation of reserves, authors propose to use the RCI model with three parameters: per-meability of the formation, initial water cut, which is determined by the initial oil saturation, Corey coefficient for oil, water, maximum relative oil and water permeabilities and waterflooding efficiency, determined through the vertical non-uniformity coefficients (Dyk-stra-Parsons) and lateral heterogeneity. Also, a new method is proposed to evaluate of the waterflooding effectiveness - find the ac-cumulated fluid flow through a unit of pore volume using a hydrodynamic simulator (keywords FLOWO and FLOWW). Further, based on the obtained parameters, it is possible to estimate the residual recoverable reserves: with an increase in the criterion, the com-plexity of development increases. In conclusion, a universal approach has been developed for the evaluation and classification of geo-logical reserves for the further selection of the optimal development system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>остаточные извлекаемые запасы (ОИЗ)</kwd><kwd>критерий сложности разработки (RCI)</kwd><kwd>коэффициент извлечения нефти (КИН)</kwd><kwd>модель Эль–Хатиба</kwd><kwd>характеристики вытеснения</kwd><kwd>латеральная неоднородность кол-лектора</kwd></kwd-group><kwd-group xml:lang="en"><kwd>remaining recoverable reserves</kwd><kwd>reservoir complexity index (RCI)</kwd><kwd>recovery factor (RF)</kwd><kwd>El-Khatib model</kwd><kwd>characteristic of desaturation</kwd><kwd>lateral heterogeneities of reservoir</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">El-Khatib N.A.F. 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