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Clastic Exploration and Reservoir Facies


February 9 - 13, 2020

Instructor : M. Darwish, Ph.D.


Sedimentologists, exploration and development geologists; geophysicists; petrophysicists; reservoir engineers involved with exploration and development of oil and gas reservoirs


This course covers the basics of clastic sedimentology at scales that are appropriate for both regional exploration and detailed reservoir characterization. The main types of sedimentary basins are reviewed and transport of clastic material in different tectonic and climatic settings are described. The course discusses the concepts of erosion, transport and deposition of sediments

This course provides an understanding of the geometry and hydrocarbon potential of clastic depositional systems and facies, and how they are affected by such important features as basin configuration, tectonics and eustasy. Each of the major clastic environments is covered in terms of lithology, facies, log response and reservoir quality and the depositional models related to seismic sequences. Important basin scale diagenetic changes are examined to illustrate the effect on reservoir quality.


  • Interpret clastic depositional environments using data from cores images, cuttings and wireline logs
  • Apply new sequence cyclo-stratigraphic concepts to clastic reservoirs
  • Review of parameters controlling siliciclastic sediment transport and deposition;
  • Characteristics of sedimentation of continental, shallow and deep marine depositional environments;
  • Criteria for recognition of different sedimentary facies, facies association, Genetic Concepts
  • Tectonic, climatic and eustatic controls on basin wide sedimentation;
  • Correlate wells using knowledge of depositional environment
  • Post Depositional Changes, Modelling of Depositional Environments and Case Studies.
  • Predict reservoir size, shape, trend and quality


First day will be held at Holiday Inn (Former Sofitel Hotel), in Cairo. The participants will fly the next day to Hurghada. The course will be continued in Hurghada.


Inclusive of refreshment and lunch at the Holiday Inn (Former Sofitel Hotel). Air Ticket Cairo/Hurghada return and accommodation in Hurghada.


DR. M. DARWISH has obtained his B.Sc. in 1968 from Cairo University and Ph.D. in 1979 from Bucharest University. He is EREX Consultant for Sedimentology and Professor in Cairo University for Sedimentology and Petroleum Geology. During the last ten years, Dr. Darwish has offered appreciated consulting services on sedimentology and sequence stratigraphy for the oil companies in Egypt, Libya, Sudan, Yemen, Mauretania, India, Chad.