Skip to Main Content
Book Chapter

Computed Seismic Speeds and Attenuation in Rocks with Partial Gas Saturation

By
J. E. White
J. E. White
*
University of Texas at El Paso, El Paso, Tex. 79968.
Search for other works by this author on:
Published:
January 01, 2000

Abstract

Calculations for an unconsolidated sand with partial gas saturation show a 20 percent increase in compressional wave velocity between 1 and 100 hz and attenuation of 27 db/1000 ft at 31 hz and 82 db/1000 ft at 123 hz.

Shear velocity and attenuation are not affected. Fluid-flow waves are shown to be responsible for the dispersion and attenuation at low frequencies; relations are derived by extending Gassmann’s viewpoint t o include coupling between fluid-flow waves and seismic body waves. This appears to be an important loss mechanism for heterogeneous porous rocks.

You do not currently have access to this article.

Figures & Tables

Contents

Society of Exploration Geophysicists Geophysics Reprint Series

Seismic Wave Propagation: Collected Works of J. E. White

J. E. White
J. E. White
Professor Emeritus, Colorado School of Mines
Search for other works by this author on:
Society of Exploration Geophysicists
Volume
21
ISBN electronic:
9781560802471
Publication date:
January 01, 2000

GeoRef

References

Related

Citing Books via

Close Modal
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close Modal
Close Modal