Spatial and spectral characteristics of oscillations of offshore oil and gas production platforms caused by earthquakes and other impacts |
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| Authors: | A A Ginzburg A B Manukyan O K Mironov A V Novikova V S Yushchenko |
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| Institution: | 1.Institute of Environmental Geoscience,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | The results of analysis of oscillations of an offshore oil and gas production platform, caused by seismic and other impacts
(ice-field motion, storm wave impact, ship impact on platform supports, mechanism operations, etc.) are given. The analysis
has been based on mathematical modeling of various impacts. Specific features of the inducement of platform mechanical oscillations
as a function of the type of impact have been revealed, and the qualitative distinctions of platform oscillations under different
impacts are described, allowing one to determine accelerometer-mounting sites for revealing seismic events by changes in acceleration
on the platform. |
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