proneftPROНЕФТЬ. Профессионально о нефтиPROneft. Professionally about Oil2587-73992588-0055«Газпром нефть»10.24887/2587-7399-2020-1-18-25proneft-186Research ArticleРАЗРАБОТКА И ЭКСПЛУАТАЦИЯ НЕФТЯНЫХ МЕСТОРОЖДЕНИЙDEVELOPMENT AND OPERATION OF OIL FIELDSМоделирование возникновения микросейсмических событий при распространении трещины гидроразрыва пластаModelling of the occurrence of microseismic events during hydraulic fracture propagationШварёвН. Г.ShvarevN. G.

Saint-Petersburg

shvarev_ng@spbstu.ruМарковН. С.MarkovN. S.

Saint-Petersburg

НОЦ «Газпромнефть-Политех»РоссияGazpromneft-Polytech RECRussian Federation202008062022011825Copyright © Шварёв Н.Г., Марков Н.С., 20222022Шварёв Н.Г., Марков Н.С.Shvarev N.G., Markov N.S.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://proneft.elpub.ru/jour/article/view/186

В работе представлены физико-математическая модель и алгоритм генерации микросейсмической активности при распространении трещины гидроразрыва пласта (ГРП). Дефекты (неоднородности) породы описываются с помощью ESC-модели. Получены формулы скачков перемещений и характеристик сейсмических и асейсмических событий. Рассмотренный алгоритм реализован и протестирован в программе. Проведены расчеты для псевдотрехмерной и планарной моделей распространения трещины ГРП. Установлено, что по полю микросейсмических событий можно приближенно восстановить эволюцию трещины ГРП во времени, что согласуется с данными наблюдений.

This paper presents a physico-mathematical model and an algorithm for generating microseismic activity during hydraulic fracture propagation. Defects (inhomogeneities) of the rock are described using the ESC-model. Formulas for displacements discontinuities and characteristics of seismic and aseismic events are obtained. The algorithm was implemented and tested in the program. Calculations for pseudo3D and planar3D models of fracture propagations are carried out. It was found that the field of microseismic events can approximately restore the evolution of a hydraulic fracture in time, what is consistent with observations.

сейсморазведкасейсмичностьмикросейсмические событиягидравлический разрыв пласта (ГРП)ESC-модельпсевдотрехмерная и планарная моделиseismicseismicitymicroseismic eventshydraulic fracturingESC-modelpseudo3D and planar3D modelsРабота выполнена при финансовой поддержке Министерства науки и высшего образования в рамках ФЦП «Исследования и разработки по приоритетным направлениям развития научно-технологического комплекса России на 2014-2020 годы», Мероприятие 1.2., Соглашение о предоставлении субсидии №14.575.21.0146 от 26.09.2017, уникальный идентификатор ПНИ: RFMEFI57517X0146ReferencesLinkov A.M. 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The authors declare that there are no conflicts of interest present.