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Residual moveout in anisotropic angle-domain common image gathers with dipping reflectors

Pierre Jousselin and Biondo Biondi

pierre@sep.stanford.edu, biondo@sep.stanford.edu

ABSTRACT

We generalise to dipping reflectors the fundamental concepts for quantitatively relating perturbations in anisotropic parameters to the corresponding reflector movements in angle-domain common-image gathers (ADCIGs). We apply the general methodology to the particular case of residual moveout (RMO) analysis of reflections from dipping reflectors in a vertical transverse isotropic (VTI) medium. Synthetic examples show the accuracy of the RMO curves predicted by our kinematic analysis.

Introduction
Angle-Domain Common-Image Gathers
Kinematics of the angle-domain transformation
Anisotropic residual moveout for dipping reflectors
Conclusions
REFERENCES
Derivation of the derivative of the angle-domain depth with respect to the components of the perturbation vector
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Stanford Exploration Project
4/6/2006