Difference between revisions of "CV - Publications"

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'''Analysis of pull up effects through computational seismic data modeling and depth migration'''
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'''Analysis of pull up effects through computational seismic data modeling and depth migration, Colombian plains'''
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In geophysics is called \pu{} to an uplift recognized in the seismic data that is not caused by the shape of geological structures, but by a local high-velocity region or lateral velocity variations. Because there is a considerable lateral variation and a velocity inversion in the Colombian plain basin, this effect has been hypothetically associated with convex upward folded events observed in the seismic data acquired in the area.
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In this work, we perform seismic simulations from a flat layers geological model which bring together two representative features of the basin of Colombian eastern plains: normal faulting and velocity inversion; features that produce a singular lateral velocity variation. With this model, the paper discusses three simulation methods: normal ray tracing, prestack ray tracing, and finite differences. This allows visualizing the propagation of the rays through the geological model, generate post a prestack synthetic seismic data, and its corresponding processing sequence. The results show and explain the presence of \pu{} in areas near the fault on synthetic events corresponding to the footwall block. These elevations produced by \pu{} effects coincide relatively with the location of the uplifts observed in the real data; results suggest the existence of such anomaly in the seismic data acquired in the Colombian eastern plains.
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The data was provided by the Pacific Rubiales company.
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No existe traducción en español
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Revision as of 21:08, 27 February 2021




  • Adelo Vieira and Crelia Padrón.
  • Analysis of pull up effects through computational seismic data modeling and depth migration, Colombian plains. ↓Download

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  • Alejandro Gutiérrez, Evert Durán, Adelo Vieira and Crelia Padrón.
  • Estimation and modelling of reservoirs properties through seismic attributes and geo-statistics in gas fields, southern Spain. SOVG, XIV Venezuelan Geophysics Congress, 2008. ↓Download

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