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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">geores</journal-id><journal-title-group><journal-title xml:lang="ru">Георесурсы</journal-title><trans-title-group xml:lang="en"><trans-title>Georesources</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1608-5043</issn><issn pub-type="epub">1608-5078</issn><publisher><publisher-name>Georesursy LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18599/grs.2025.4.22</article-id><article-id custom-type="elpub" pub-id-type="custom">geores-618</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>СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH ARTICLES</subject></subj-group></article-categories><title-group><article-title>Влияние характерного расстояния между скважинами на эффективность выработки запасов в условиях трещиновато-пористого коллектора</article-title><trans-title-group xml:lang="en"><trans-title>Influence of Characteristic Distance Between Wells on the Efficiency of Reserves Production in a Fractured Reservoir</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>Легостаев</surname><given-names>Д. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Legostaev</surname><given-names>D. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дмитрий Юрьевич Легостаев – младший научный сотрудник, Тюменский филиал Института теоретической и прикладной механики им. с. А. Христиановича Cо рАН</p><p>625026, Тюмень, ул. Таймырская, д. 74 </p></bio><bio xml:lang="en"><p>Dmitry Yu. Legostaev – Junior Researcher, Tyumen Branch of the Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences</p><p>74 Taimyrskaya St., Tyumen, 625026</p></bio><email xlink:type="simple">legostaevdy@yandex.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>Родионов</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Rodionov</surname><given-names>S. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Павлович Родионов – доктор физ.-мат. наук, главный научный сотрудник, Тюменский филиал Института теоретической и прикладной механики им. С.А. Христиановича CО РАН</p><p>625026, Тюмень, ул. Таймырская, д. 74 </p></bio><bio xml:lang="en"><p>Sergey P. Rodionov – Dr. Sci. (Physics and Mathematics), Chief Researcher, Tyumen Branch of the Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences</p><p>74 Taimyrskaya St., Tyumen, 625026</p></bio><email xlink:type="simple">rodionovsp@bk.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>Пичугин</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Pichugin</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олег Николаевич Пичугин – кандидат физ.-мат. наук, Заместитель директора ПИНШ – руководитель департамента нефтегазового инжиниринга</p><p>423462, Альметьевск, ул. советская, д. 186а </p></bio><bio xml:lang="en"><p>Oleg N. Pichugin – Cand. Sci. (Physics and Mathematics), Deputy Director of PINSH – Head of the Department of Oil and Gas Engineering</p><p>186a Sovetskaya St., Almetyevsk, 423462</p></bio><email xlink:type="simple">o.pichugin@agni-rt.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ильин</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ilyin</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антон Сергеевич Ильин – инженер-исследователь, Тюменский филиал Института теоретической и прикладной механики им. с. А. Христиановича CО РАН</p><p>625026, Тюмень, ул. Таймырская, д. 74 </p></bio><bio xml:lang="en"><p>Anton S. Ilyin – Research Engineer, Tyumen Branch of the Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences</p><p>74 Taimyrskaya St., Tyumen, 625026</p></bio><email xlink:type="simple">antonilyin7@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тюменский филиал Института теоретической и прикладной механики им. С. А. Христиановича CО РАН;&#13;
Альметьевский государственный технологический университет «Высшая школа нефти»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tyumen Branch of the Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences;&#13;
Almetyevsk State Technological University – Higher School of Petroleum</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Альметьевский государственный технологический университет «Высшая школа нефти»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Almetyevsk State Technological University – Higher School of Petroleum</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2025</year></pub-date><volume>27</volume><issue>4</issue><fpage>246</fpage><lpage>253</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Легостаев Д.Ю., Родионов С.П., Пичугин О.Н., Ильин А.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Легостаев Д.Ю., Родионов С.П., Пичугин О.Н., Ильин А.С.</copyright-holder><copyright-holder xml:lang="en">Legostaev D.Y., Rodionov S.P., Pichugin O.N., Ilyin A.S.</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://www.geors.ru/jour/article/view/618">https://www.geors.ru/jour/article/view/618</self-uri><abstract><p>Коллекторы трещиновато-пористого типа имеют широкое распространение и содержат значительную долю запасов углеводородов. При этом трещиноватость горных пород оказывает значительное влияние на процессы разработки нефтяных месторождений. В частности, заводнение трещиноватых коллекторов может приводить к быстрым прорывам воды к добывающим скважинам. В связи с этим представляется важным исследование влияния характерного расстояния между скважинами (плотность сетки скважин) на эффективность выработки запасов в условиях трещиноватого коллектора.</p><p>В работе рассмотрена двумерная двухфазная фильтрация несжимаемых жидкостей в трещиновато-пористом коллекторе. Исследование проведено на примере трех вариантов систем трещин с одинаковой плотностью, характеризуемых при этом разной степенью связности. Данные варианты системы трещин получены путем случайной генерации: каждая трещина в системе имела случайную длину, положение и ориентацию. распределение трещин по длинам подчинялось степенному закону. Моделирование фильтрации в трещиновато-пористой среде проведено с помощью модели дискретных трещин. Исследовано влияние характерного расстояния между скважинами на эффективность выработки запасов.</p><p>Исследование зависимости эквивалентной проницаемости и коэффициента извлечения нефти от характерного расстояния между скважинами показало, что в условиях трещиноватого коллектора размещение добывающих и нагнетательных скважин на малом расстоянии друг от друга в зависимости от структуры системы трещин может быть либо неэффективным, либо связано с повышенным риском.</p></abstract><trans-abstract xml:lang="en"><p>Fractured reservoirs are widespread and contain a significant share of hydrocarbon reserves. At the same time, the fracturing of rocks has a significant impact on the processes of oil field development. In particular, the use of flooding of fractured reservoirs can lead to rapid water breakthroughs to production wells. In this regard, it is important to study the characteristic distance between wells (well grid density) on the efficiency of reserve development in a fractured reservoir. The paper considers two-dimensional two-phase fluid flow of incompressible fluids in a fractured-porous reservoir. The study was carried out using the example of three variants of fracture systems with the same density, characterized by different degrees of connectivity. These fracture systems were obtained by random generation, with each fracture having a random position and orientation. The distribution of fracture length follows a power law. Simulation of fluid flow in a fractured-porous medium was carried out using a discrete fracture model. The influence of the characteristic distance between wells on the efficiency of reserve development was studied.</p><p>The study of equivalent permeability and oil recovery factor on the characteristic distance between wells showed that in a fractured reservoir, the placement of production and injection wells at small distances from each other, depending on the structure of the fracture system, can be either ineffective or associated with an increased risk.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>трещиновато-пористый коллектор</kwd><kwd>модель дискретных трещин</kwd><kwd>коэффициент извлечения нефти</kwd><kwd>эквивалентная проницаемость</kwd><kwd>заводнение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fractured-porous reservoir</kwd><kwd>discrete fracture model</kwd><kwd>oil recovery factor</kwd><kwd>equivalent permeability</kwd><kwd>waterflooding</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Вычислительные эксперименты проведены в рамках государственного задания (№ госрегистрации 124021500017-5). Постановка задачи и анализ результатов выполнены при финансовой поддержке АГТу ВШН.</funding-statement><funding-statement xml:lang="en">The numerical simulations were carried out within the state assignment of the Ministry of Science and Higher Education of the Russian Federation (project No. 124021500017-5). The problem statement and analysis of the results were carried out with the financial support of ASTU HPS</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Баренблатт Г.И., Желтов Ю.П., Кочина И.Н. (1960). Об основных представлениях теории фильтрации однородных жидкостей в трещиноватых породах. Прикладная математика и механика, 24(5), с. 852–864.</mixed-citation><mixed-citation xml:lang="en">Bakhtizin R.N., Nurgaliev R.Z., Fattakhov I.G., Semanov A.S., Semanova A.I. (2023). 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