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António Miguel Pereira Jorge Ferreira

  • 51 Citations
  • 3 h-Index
20092014

Research output per year

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Personal profile

Research interests

3D Geologic / Geochemical Modeling
What is it?
A 3D Geologic Model (3DGM) is a 3-dimensional representation of rocks and sediments distribution at both the Earth’s surface and subsurface. 3DGM is a fundamental tool for natural reservoir characterization and modeling, namely in oil industry, and an increasingly used tool in other geoscience research fields and in land use planning and mitigation of geological and environmental hazards.
Why use it?
To accompany and to take benefit of the potentialities of the new technologies which already let us to produce and visualize digital 3DGM. This can be a powerful tool to better understand and communicate geology. The traditional 2D geologic maps no longer are sufficient for storing, displaying, and transmitting geosciences information, while 3DGM allows us to get a realistic visualization and to model the geometry and the properties of the geological setting at 3D. This is needed to provide users with geologic information of the quality and detail necessary to solve problems related to natural hazard mitigation, resource management, mineral and petroleum exploration, contaminant dispersion, etc. 3DGM is also a fundamental base to develop 4D models for analysis, prediction and/or paleo-reconstruction of geologic, tectonic and hidrogeologic structures and processes.
What to do?
- To reconstruct geological structures in 3 dimensions; to model geological properties in 3 dimensions; Research on the relationship between geological structure and geochemical properties, namely in mineralized areas, through the 3D reconstruction, visualization and analysis using geostatistical tools.
- Optimization of methods for 3D geologic reconstruction in the presence of sparse data. - Uncertainty assessment of the 3D models.
- Optimization of geologic databases in order to produce good quality 3D geologic models. - Applications of Sequence Stratigraphy; Time-stratigraphy (stratigraphic grids, Geo-Chronological space); Modeling of lateral and vertical facies trends in geostatistical algorithms; Well log correlations.
- Regularization of borehole sampling step with irregular size into a regular grid.

Regional Geochemical Mapping
- Study of Geochemical properties in the spatial domain.
- Use of statistic and geostatistical tools in geochemical mapping and environmental geochemistry of stream sediments and soils, in order to discriminate the anthropogenic signal from natural geochemical background.

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Research Output at NOVA

  • 51 Citations
  • 3 h-Index
  • 7 Conference contribution
  • 6 Article
  • 2 Chapter

CHRONIBERIA: ongoing development of a geochronological GIS database of Iberia

Ferreira, A. M. P. J., Chichorro, M. A. F. D. S. & Almeida, J. A. D., 1 Jan 2014, STRATI 2013: First International Congress on Stratigraphy: At the Cutting Edge of Stratigraphy. Rocha, R., Pais, J., Finney, S. & Kullberg, JC. (eds.). Heidelberg: Springer International Publishing, p. 733-736 (Springer Geology).

Research output: Chapter in Book/Report/Conference proceedingChapter

Geostatistical Inversion of 3D Post-stack Seismic and Well Data for the Characterization of Acoustic Impedance in Oil Fields

Alves, F., Almeida, J. A. D. & Ferreira, A. M. P. J., 2014, Mathematics of Planet Earth: Proceedings of the 15th Annual Conference of the International Association for Mathematical Geosciences. Pardo-Igúzquiza, E., Guardiola-Albert, C., Heredia, J., Moreno-Merino, L., Durán, J. J. & Vargas-Guzmán, J. A. (eds.). Berlin: Springer Berlin Heidelberg, p. 689-693 (Lecture Notes in Earth System Sciences).

Research output: Chapter in Book/Report/Conference proceedingChapter

  • 2 Citations (Scopus)

    Modelação geológica do depósito mineral de Farim-Saliquinhé amostrado por sondagens de comprimento variável

    Ferreira, A. M. P. J. & Almeida, J. A. D., 1 Jan 2014, IX CNC / 2º CoGePLip. p. 218

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Simulação de imagens de impedância acústica condicionais a sísmica post-stack 3D e dados de poço

    Translated title of the contribution: Simulation of acoustic impedance images conditional to both post-stack 3D seismic data and well dataAlves, F., Almeida, J. A., Ferreira, A. & da Silva, A. P. F., 2014, In : Comunicações Geológicas. 101, p. 347-350 4 p.

    Research output: Contribution to journalArticle