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Comunicati e Notizie
24/12/2017
Short Course on 3D seismic interpretation

Napoli, 15-19 January 2018

Dipartimento di Scienze della Terra, dell'Ambiente e delle Risorse (DiSTAR)
Università di Napoli Federico II
Sede di Monte S'Angelo, via Cintia 26

 

David Iacopini
Department of Geology and Petroleum Geology
University of Aberdeen

 


Program

  • Day 1: Fundamental of seismic interpretation; Amplitude analysis; Fluid substitution
  • Day 2: Petrel E&P Platform: Seismic and well data loading, well tying and correlations. Amplitude characterization.
  • Day 3: Project work I: Mapping surface and faults
  • Day 4: Project work II: introduction to seismic reservoir characterization
  • Day 5: Overview

Day 1: Fundamental of seismic interpretation; Amplitude analysis
9-12: Intro to fundamental of seismic interpretation: body and surface waves,
fundamental of ray tracing; Pre stack shot gather; Basic of processing; Snell laws;
refraction
14-17: Concept of contrast of impedance, reflectivity, Gardner law, intro to
interpretation of reflectors using the basic concepts. Basics of seismic stratigraphy
and reflection termination. Tuning thickness; Amplitude analysis; principle of fluid
substitution. Exercise: reconstruction of reflectivity using sonic log data and Gardner
law.


Day 2: Petrel E&P Platform: Seismic and well data loading, well tying and correlations. Amplitude characterization.
9-12: creation of folder and petrel project (saved in the petrel share); Upload of well
data; basics of well log data analysis (Porosity, permeability. Gamma ray; net to
gross). Fundamental of formation evaluation from Well log data.
14-17: SEGY heather; Upload of seismic dataset (Gullfaks 3D data); realizing data,
voxelization; analysis of the seismic trace (Trace representation, wiggled to smoothed, polarity
check), tools to map horizon (manual, autopicking, 2D/3D auto mapping); the tri-dimension factor:
time slices, 2D arbitrary lines; fault, producing surfaces. Fault maps; Basic seismic Attributes analysis
(RMS, Envelope Ist. phase; cos phase) and their uses.


Day 3: Project work I: Mapping 2D/3D seismic data.
9-12: Project work: mapping horizons using well data correlation (Top cretaceous; Base cretaceous).
14-17 Project work: mapping horizons and faults using well data correlation (top Tarbert Unit)

 

Day 4: Project work II: introduction to seismic reservoir characterization
9-12: Reservoir characterization: focus on the seismic attributes expression and well log response of
the Brent reservoir.
14-17: Project work

 

Day 5: Overview
9-12: North Sea Petroleum system - The Gullfaks petroleum system
14-16: wrap up and final discussion

 

Flyer

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