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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">tizza</journal-id><journal-title-group><journal-title xml:lang="ru">Трудноизвлекаемые запасы</journal-title><trans-title-group xml:lang="en"><trans-title>Hard-to-recover reserves</trans-title></trans-title-group></journal-title-group><publisher><publisher-name>Высшая школа нефти</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">550.8.013</article-id><article-id custom-type="elpub" pub-id-type="custom">tizza-30</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></article-categories><title-group><article-title>Вероятностный прогноз давления пескопроявления по результатам одномерного геомеханического моделирования</article-title><trans-title-group xml:lang="en"><trans-title>Probabilistic forecast of sand pressure based on the results of one-dimensional geomechanical modeling</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>Новикова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikova</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">helenvn97@gmail.com</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>Собаев</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Sobaev</surname><given-names>A. G.</given-names></name></name-alternatives><email xlink:type="simple">sobaev.a.g@mail.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>Воронов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Voronov</surname><given-names>I. A.</given-names></name></name-alternatives><email xlink:type="simple">ivanvoronov1996@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики Земли им. О.Ю. Шмидта РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Schmidt Institute of Physics of the Earth</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2026</year></pub-date><volume>1</volume><issue>2</issue><fpage>23</fpage><lpage>29</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Новикова Е.В., Собаев А.Г., Воронов И.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Новикова Е.В., Собаев А.Г., Воронов И.А.</copyright-holder><copyright-holder xml:lang="en">Novikova E.V., Sobaev A.G., Voronov I.A.</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://xn--g1abxh.xn----8sbeg1c7ah8a.xn--p1ai/jour/article/view/30">https://xn--g1abxh.xn----8sbeg1c7ah8a.xn--p1ai/jour/article/view/30</self-uri><abstract><p>В работе представлено исследование влияния неопределенности исходных данных о геомеханических и прочностных свойствах породы, а также горизонтальных пластовых напряжениях на результаты численных оценок депрессии начала пескопроявления.</p><p>Для решения задачи строилась модель горного массива в околоскважинном пространстве на основе данных геофизических исследований скважин и лабораторных исследований керна. Она представляла собой слоистую многофациальную линейно-упругую среду. При восстановлении профиля вертикального напряжения использовалась гипотеза о субвертикальности одной из главных осей тензора напряжений. При оценке профилей горизонтальных напряжений использовалась методика, основанная на реконструкции пространственного распределения напряжений в слоистой среде по данным точечных измерений, а именно данных гидроразрыва пласта.</p><p>Выполнялось варьирование неопределенности во входных данных упругих и прочностных свойств среды и горизонтальных пластовых напряжений. Указанные параметры изменялись случайным образом в рамках диапазона неопределенности, соответствующего фактическому разбросу свойств пород, относящихся к одной геомеханической фации. В рамках простейшей модели оценки давления начала пескопроявления это давление определялось для различных реализаций комбинаций исходных параметров методом Монте-Карло.</p><p>Использованный статистический подход позволял определить функцию плотности вероятности начала пескопроявления при заданной дисперсии определенного параметра. Отмечено, что прогноз критического значения давления наиболее чувствителен к величине максимального горизонтального напряжения.</p><p>Результаты применения описанного подхода сделали возможным корректный учет неопределенности исходных данных для построения геомеханических моделей. На примере задачи пескопроявления оценена реальная неоднозначность определения давления начала необратимого разрушения пород околоскважинной зоны из-за разработки месторождений углеводородов.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents a study on the influence of uncertainty in the initial data on geomechanical and strength properties of rock, as well as the horizontal reservoir stress, on the results of numerical estimation of the wellbore pressure required to prevent sand production. A model of the near-well rock mass is constructed from geophysical well logging data and laboratory core studies to solve this problem. The rock mass is considered a layered, multifacial, linear elastic medium. The hypothesis of subvertical principal stress was used for stress reconstruction. A method based on point measurements, specifically hydraulic fracturing data, is used to analyze horizontal stress profiles and reconstruct the stress distribution in a layered medium.</p><p>The uncertainty in the input data for the elastic and strength properties of the medium and the horizontal reservoir stresses is varied. These parameters are randomized within the range of uncertainty corresponding to the actual variation in the properties of rocks belonging to a specific geomechanical facies. The pressure allowing sand production is determined for various combinations of initial parameters using the Monte Carlo method within the framework of a simple model. The statistical approach makes it possible to determine the probability density function for sand production pressure with a given value of a certain parameter. Note that the prediction of the critical pressure is mostly sensitive to the magnitude of maximum horizontal stress.</p><p>The results of applying this approach allow us to accurately account for uncertainties in the initial data used to create geomechanical models. Using the example of the sand problem, we estimate the real ambiguity in determining the pressure at which irreversible rock destruction begins in the borehole surrounding rock masses during hydrocarbon deposit development.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>геомеханика</kwd><kwd>неопределенность</kwd><kwd>пескопроявление</kwd><kwd>метод Монте-Карло</kwd></kwd-group><kwd-group xml:lang="en"><kwd>geomechanics</kwd><kwd>uncertainty</kwd><kwd>ingress of sand</kwd><kwd>Monte Carlo method</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">Дубиня Н.В., Галыбин А.Н. (2018). 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