Making sense of all that AVO stuff!

Brian Russell

doi:10.1071/ASEG2012ab109

ISSN: 2202-0586
E-ISSN:

oa Making sense of all that AVO stuff!
Authors Brian Russell^a
View Affiliations Hide Affiliations

^a Hampson-Russell, A CGGVeritas Company, Suite 510, 715 5th, Ave. SW, Calgary, Alberta, , Canada, , T2P 2X6, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2012, Issue ASEG2012 - 22nd Geophysical Conference, Dec 2012, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2012ab109
- Published online: 01 Dec 2012

Abstract

Summary

The Amplitude Variations with Offset (AVO) technique, and the related technique of pre-stack seismic inversion, has grown to include a multitude of sub-techniques, each with its own assumptions. This vast array of techniques makes it difficult for the interpreting geophysicist to understand how they are all related, and which method should be used in a particular exploration area. In this talk I will present a framework from which all of the current AVO and pre-stack seismic inversion methods can be understood. This will involve looking at the concept of seismic reflectivity in its various forms, as well as inverted reflectivity, or impedance. To illustrate the various AVO and pre-stack inversion techniques, I will use a gas sand example from central Alberta, Canada.

Article metrics loading...

/content/journals/10.1071/ASEG2012ab109

2012-12-01

2026-01-17

From This Site

/content/journals/10.1071/ASEG2012ab109

dcterms_title,dcterms_subject,pub_keyword

-contentType:Journal -contentType:Contributor -contentType:Concept -contentType:Institution

10

5

Full text loading...

References

Aki, K., and Richards, P.G., 2002, Quantitative Seismology, 2nd Edition: W.H. Freeman and Company.
Connolly, P., 1999, Elastic impedance: The Leading Edge, 18, no. 4, 438-452.
Fatti, J., Smith, G., Vail, P., Strauss, P., and Levitt, P., 1994, Detection of gas in sandstone reservoirs using AVO analysis: a 3D Seismic Case History Using the Geostack Technique: Geophysics, 59, 1362-1376.
Goodway, W., Chen, T., and Downton, J., 1997, Improved AVO fluid detection and lithology discrimination using Lamé petrophysical parameters: Extended Abstracts, SEG 67th Annual International Meeting, Denver.
Hampson, D., Russell, B. and Bankhead, B., 2005, Simultaneous inversion of pre‐stack seismic data: SEG, Expanded Abstracts, 24, no. 1, 1633-1637.
Ostrander, W. J., 1984, Plane‐wave reflection coefficients for gas sands at non-normal angles of incidence: Geophysics, 49, 1637-1648.
Quakenbush, M., Shang, B., and Tuttle, C., 2006, Poisson impedance: The Leading Edge, 25, no. 2, 128-138.
Rutherford, S. R. and Williams, R. H., 1989, Amplitudeversus- offset variations in gas sands: Geophysics, 54, 680- 688.
Smith, G.C., and Gidlow, P.M., 1987, Weighted stacking for rock property estimation and detection of gas: Geophysical Prospecting, 35, 993-1014.
Whitcombe, D., Connolly, P., and Redshaw, T., 2002, Extended elastic impedance for fluid and lithology prediction, Geophysics, 67, 63-67.
Wiggins, R., Kenny, G.S., and McClure, C.D., 1983, A method for determining and displaying the shear-velocity reflectivities of a geologic formation: European patent Application 0113944.

/content/journals/10.1071/ASEG2012ab109

Article Type: Research Article

Keyword(s): acoustic impedance; AVO; elastic impedance.; pre-stack seismic inversion; shear impedance

Most Cited This Month Most Cited RSS feed

- Inversion of data from electrical imaging surveys in water-covered areas
  
  Authors M. H. Loke and J. W. Lane
- Inversion of Magnetic Data from Remanent and Induced Sources
  
  Authors Robert G. Elllis, Barrry de Wet and Ian N. Macleod
- A comparison of smooth and blocky inversion methods in 2-D electrical imaging surveys
  
  Authors M. H. Loke, Ian Acworth and Torleif Dahlin
- Designing matched bandpass and azimuthal filters for the separation of potential-field anomalies by source region and source type
  
  Authors Jeffrey D. Phillips
- Bad Colour Maps Hide Big Features and Create False Anomalies
  
  Authors Peter Kovesi
- Practical 3D EM inversion – the P223F software suite
  
  Authors Art Raiche, Fred Sugeng and Glenn Wilson
- Estimating Noise Levels in AEM Data
  
  Authors Andy Green and Richard Lane
- Target delineation using Full Tensor Gravity Gradiometry data
  
  Authors Colm A. Murphy and James Brewster
- Transdimensional Monte Carlo Inversion of AEM Data
  
  Authors Ross C Brodie and Malcolm Sambridge
- The geotech VTEM time domain helicopter em system
  
  Authors Ken Witherly, Richard Irvine and Edward Morrison
More Less

oa Making sense of all that AVO stuff!

Abstract

Most Read This Month

Most Cited This Month Most Cited RSS feed