Saudi Arabian Oil Company

Trofimuk Institute of Petroleum Geology and Geophysics

Trofikmuk Institute of Petroleum Geology and Geophysics

Vladimir Tcheverda

Andrey Bakulin

Ilya Silvestrov

Dmitry Neklyudov

Maxim Protasov

Kirill Gadylshin

Maxim Dmitriev

The disclosure provides systems and methods to enhance pre-stack data for seismic data analysis by: sorting the reflection seismic data acquired from cross-spread gathers into sets of data sections; performing data enhancement on the sets of data sections to generate enhanced traces by: (i) applying forward normal-moveout (NMO) corrections such that arrival times of primary reflection events become more flat, (ii) estimating beamforming parameters including a nonlinear traveltime surface and a summation aperture, (iii) generating enhanced traces that combine contributions from original traces in the sets of data sections, and (iv) applying inverse NMO corrections to the enhanced traces such that temporal rearrangements due to the forward NMO corrections are undone.

Systems and methods to enhance 3-D prestack seismic data based on non-linear beamforming in the cross-spread domain

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Novosibirsk, Russia

Vladimir Tcheverda