Technical News Items

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First application of Green's theorem derived source and receiver deghosting on deep water Gulf of Mexico synthetic (SEAM) and field data (PDF)
Green's theorem derived deghosting: fundamental analysis, numerical test results, and impact on ISS free-surface multiple elimination (PDF)
A new ISS internal multiple attenuation algorithm addressing a shortcoming of the current leading-order ISS algorithm for removing first order internal multiples: derivation and testing of the algorithm for arbitrary number of reflectors (PDF)
A new higher order Inverse Scattering Series (ISS) internal multiple attenuation algorithm addresses a limitation in the current leading order algorithm: derivation for a three-reflector model and a test with analytic data
Unraveling internal multiples via the reflector spectrum concept
First field data examples of inverse scattering series direct depth imaging without the velocity model
Inverse scattering series direct depth imaging without the velocity model: first field data examples
A formalism for: (1) modeling the amplitude and phase of pressure waves from a heterogeneous elastic medium and (2) selecting and predicting P wave events that have only experienced pressure wave episodes in their history
Seismic Imaging and Inversion - Application of Linear Inverse Theory
Reverse time migration and Green's theorem: Part I- the evolution of concepts, and setting the stage for the new RTM method
Reverse time migration and Green's theorem: Part II-A new and consistent theory that progresses and corrects current RTM concepts and methods
Andre S. Ferreira - Internal Multiple Removal in Offshore Brazil Seismic Data Using the Inverse Scattering Series (8.4 MB)

Corrigan Geophysics Notes (113 MB)