Newest 40+ Deghosting

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CGG BroadSeis Sumber : www.cgg.com

CGG
Deghosting The source and receiver ghosts created in marine acquisition form a secondary wavefield that corrupts the recorded data and whose appearance depends on offset time and geologic dip There are three different processing stages where this secondary wavefield can be dealt with The best approach to use can vary from project to project

Seismic Adaptive Deghosting Schlumberger Sumber : www.slb.com

HDR and DeGhosting My Blog
11 29 2020 HDR and Deghosting meaning to reduce or to remove ghost effects in the final HDR images occurs every time where objects like people or clouds are

Shot gathers after deghosting on the right and before on Sumber : www.researchgate.net

Deghosting and designature Removing the seismic ghost
Receiver deghosting removing gr accounts for the fact that the sea surface reflects seismic energy back into the water layer such that any seismic event is recorded twice first as an up going wavefield that has been reflected by the subsurface and then as a ghost which is the down going field that has been reflected by the sea surface

BroadSeis Enhancing interpretation and inversion with Sumber : csegrecorder.com

MARINE DEGHOSTING Key Seismic
MARINE DEGHOSTING Key Seismic has implemented a proprietary technique for shot and receiver deghosting of marine seismic which has been successfully applied on a large volume of East Coast Canadian data Ghost events are generated at both the shot and receiver positions due to downward reflection from the sea surface

MARINE DEGHOSTING Key Seismic Sumber : www.keyseismic.com

Seismic Adaptive Deghosting Schlumberger
Adaptive deghosting accounts for uncertainties in recorded cable depths making it uniquely suited to extend the usable bandwidth of both legacy and newly acquired seismic datasets Adaptability is an important feature of this deghosting technique which solves for both the upgoing wavefield and ghost delay time using an iterative data adaptive

MARINE DEGHOSTING Key Seismic Sumber : www.keyseismic.com

Deghosting SEG Wiki
Yilmaz et al 2020 introduced a recursive method of deghosting which runs the ghosting system in reverse to lift the effects of ghost reflections Strictly speaking the method is applicable in the tau p domain but has been applied to x t gathers with certain assumptions Here we extend this method to x t domain by making the recursive process