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Portale Dottorato in Geoscienze
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
Sede di Monte S’Angelo, via Cintia 26

 


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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