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QSI - Using Seismic Inversion for Rock and Fluid Property Characterization

Objectives:

The course teaches you how to:
  • Display well data using the Well Log window
  • Analyze well data for fluid anomalies using crossplotting tools
  • Generate AVO attribute volumes and angle stacks using the AVO inversion operation in the Seismic Operations utility.
  • Analyze prestack data for AVO indicators, using AVO tools in 3D Canvas and 2D Canvas applications
  • Create synthetic models using the Synthetic-Seismics utility to calibrate well data to seismic data, analyze fluid affects using fluid substitution modeling, and generate global wavelets for inversion.
  • Create background impedance models from log and interpretation data, using the Geostatistical Volume Creation utility. The background models will be used in the inversion process.
  • Generate rock property volumes (impedance, Poisson’s ratio, Vp/Vs) using simultaneous inversion (PMLI) on angle stacks or gathers.
  • Examine inversion results using visualization tools in 3D Canvas.
  • Validate the inversion results by extracting logs from the rock property volumes and comparing the extracted logs against the original logs.
Note: 
This course is taught and guided by an instructor and uses short videos and hands-on exercises for self-paced learning.  Videos are available during and after the course through Online University

Duration:
1.5 days

Prerequisites:
A basic understanding of prestack seismic data.  Familiarity with 3D Canvas, Well Log Window and Section window and a basic understanding of the Epos™ database.

Who Should Attend:
Geoscientists interested in using seismic inversion to generate and analyze rock property volumes for hydrocarbon prospects.

Contents:
  • Introduction to Rock  Properties and Elastic Moduli
    • The Elastic Moduli
    • Fluid vs. Lithology: The Importance of Vp/Vs
    • Impedance Attributes
  • Analyzing the Well Data for Fluid Anomalies
  • Seismic Inversion for Fluid and Rock Property Analysis

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