Abstract
Exploiting the fact that in a marine environment the source is continuously in action while towed behind a boat has improved CSEM capability as a direct resistor indicator. We have taken this synthetic source aperture concept one step further to show on numerically modeled data that uncertainties in source location and orientation are eliminated using a processing procedure called interferometry by multi-dimensional deconvolution. This procedure also eliminates the effects of the sea-surface. This procedure could work well for acquisition according to the present industry practice, under realistic uncertainties in receiver location and orientation, and realistic levels of noise. This is a data-driven procedure that requires properly recorded data. In case some data are not properly recorded due to receiver clipping, a hybrid model-driven data-driven approach must be used. We show some simple 2D examples to illustrate the concept of this procedure, including its drawbacks and advantages for characterization and monitoring purposes.
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