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Abstract
Abstract: Case Study: SAGD Steam Flood Project Using Simultaneous Inversion of Pre-Stack Seismic Data
Abstract
We will review a case history illustrating the workflow and technologies applied for a SAGD steam flood project using a new approach to the simultaneous inversion of pre-stack seismic data which produces estimates of P-impedance, S-impedance and density. The method is based on three assumptions: that the linearized approximation for reflectivity holds, that PP and PS reflectivity as a function of angle can be given by the Aki-Richards equations, and that there is a linear relationship between the logarithm of P-impedance and both S-impedance and density. The use of petrophysical constraints together with multi-angle wavelet analysis provides a more robust solution for rock property extraction through a coupling of Vp and Vs, as well as Vp to density.
Acknowledgments and Associated Footnotes
1 Veritas Hampson-Russell, 10300 Town Park Dr., Houston, TX 77072
Copyright © 2007 by The Gulf Coast Association of Geological Societies