On the study of the geoecological consequences of production activities on an oil-producing offshore platform
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539.422.3EDN
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10.31429/vestnik-18-3-35-39Abstract
At the present stage, in connection with a decrease in the level of hydrocarbon production on continental fields, offshore fields on the shelf should become the main source. Offshore platforms located in the open sea are exposed to various environmental factors, in turn, affect the geoecological medium of the continental shelf. The processes of development of hydrocarbon deposits are accompanied, as a rule, by an increase in the level of seismicity and, in particular, by the occurrence of man-made earthquakes.
To study the dynamics of tension, the problem of vibration of a block hydroelastic system consisting of an ideal fluid layer on a deformable half-space is considered, which simulates the production process on an offshore oil platform. Vibration is caused by the action of a concentrated harmonic source located in a layer of ideal fluid. The problem of determining the contact stresses arising in the system between the liquid layer and the elastic foundation is solved. The nature of the distribution of contact stresses is determined by a set of system parameters: the intensity and frequency of vibrations, mechanical characteristics and density of the elastic medium and liquid, and the thickness of the liquid layer.
The results obtained in this work can be useful to organizations monitoring deformation, geodynamic processes and seismicity of the territory to assess the possible increase in seismic intensity.
Keywords:
oil production platform, technogenic seismicity, hydroelastic system, wave fields, contact stressesFunding information
Отдельные результаты работы получены при поддержке РФФИ (проект 19-08-00145), РФФИ и Администрации Краснодарского края (проект 19-41-230002).
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Copyright (c) 2021 Рубцов С.Е., Павлова А.В., Зарецкая М.В., Лозовой В.В.
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