training specialists to the upstream oil and gas industry
 
 

3D Seismic Attributes

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En español/Spanish version

Course objectives

At the end of the course, participants will be able to apply Seismic Attributes, and extract from them important information that helps in the identification of structural, stratigraphic and rock / fluid properties associated with their reservoirs. They will understand the benefits, but mainly, the limitations of this technique in solving specific problems, associated with the very nature of the seismic data. They will be able to make decisions concerning the use of the results from this type of analysis in the assessments and forecasts of the reservoirs under their responsibility.

The course is designed for

The course is aimed at geophysicists, geologists and reservoir engineers, with basic knowledge of seismic methods of oil exploration.

Requirements

Each participant must carry a laptop to perform the practical exercises. OpendTec software (free) is used to perform several exercises, as well as the Microsoft Excel program (must be installed on laptops).

Course outline

8. ATTRIBUTE: Spectral Decomposition

  • Theoretical Basis
  • Thin Bed Tuning
  • Practical Exercises

9. ATTRIBUTE: Geometric/Structural

  • Dip and Azimut
  • Coherence
  • Curvature
  • Practical Exercises

10. ATTRIBUTE: Interval

  • Amplitudes: RMS, Average, Absolute, etc.
  • Energy Half Time
  • Spectral – EEA - WEA

11. ATTRIBUTE: “Seismic Energy”

  • “Seismic Energy” Concept
  • De-tuning

12. ATTRIBUTE: “Special”-Texture

  • Textural Attributes
  • Mega Attributes

13. ATTRIBUTE: Classification vs Estimation Techniques

  • Classification Techniques
  • Estimation Methods
  • Practical Exercises

1. History and Classification of Seismic Attributes

2. Basic Concepts of Seismic Wave Propagation

  • Elastic waves – P y S
  • Reflection and Refraction of Elastic Waves
  • Elastic Parameters vs. Petrophysical Properties

3. Aspects of Acquisition and Processing of Seismic Data

  • Brief of the acquisition process
  • The CMP method
  • Basic processing sequence
  • Practical Exercises

4. Color Displays and 3D Visualization

  • Practical Exercises

5. ATTRIBUTE: Time

  • 2w Transit time
  • Depth
  • Thicknesses
  • Vertical Resolution
  • Practical Exercises

6. ATTRIBUTE: Amplitude

  • Normal Incidence
  • Tuning Effects
  • Seismic Inversion
  • Pre-stack – AVO
  • Normal Incidence vs Oblique Incidence
  • Zoeppritz Equations– Approximations
  • AVO Attributes
  • Simultaneous Inversion
  • Practical Exercises

7. ATTRIBUTE: Complex Trace

  • The Analytic Trace
  • Amplitude, Phase and Instantaneous Frequency
  • Response to Wavelet Attributes
  • Practical Exercises

 

Location Start Date End Date Cost Trainer Book
London 29 Jun 2020  3 Jul 2020  £2,950 Professor Jose Regueiro
Kuala Lumpur 13 Jul 2020  17 Jul 2020  £2,950 Professor Jose Regueiro
Muscat 30 Aug 2020  3 Sep 2020  £2,950 Professor Jose Regueiro

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