Notice of RetractionEllipse Evolving Common Reflection Point Velocity Analysis and Application

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

Conversional NMO and stack method is based on the assumption that the surface and subsurface are all horizontal. But most of the cases, this assumption can´t be satisfied. So, velocity estimated by this method is not accurate sufficiently for other attribute analysis. Ellipse evolving common reflection point method is an innovative stack method. It implements tangent intervening and stacking by evolving seismic signals to isochrones along elliptic trajectory under some velocity distribution to obtain real zero-offset section. This paper, introduces this method into velocity analysis. It introduces detailed principle of velocity estimation for the homogeneous and heterogeneous media respectively. It reasons rigorously out that estimated velocity is the true CRP stack velocity with practical geological meaning. Hanging together with theoretical models computing and practical seismic data processing, makes sure that we can use ellipse evolving CRP velocity analysis method to estimate more accurate CRP stack velocity and other velocities of complex geology sections, and to detect interval velocity anomaly more clearly. It is a good assistant method of reservoir prediction and oil and gas detection.