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Meter-Scale 3D Seismic Data for High-Resolution Site CharacterizationGold Open Access

Authors: N. Lebedeva-Ivanova, S. Polteau, D. Zastrozhnov, S. Planke, M. Waage, S. Buenz, B. Bellwald, M. Vanneste, G. Sauvin and R. Myklebust
Event name: 81st EAGE Conference and Exhibition 2019 Workshop Programme
Session: WS02 Seismic Inversion for Marine Overburden Characterization
Publication date: 03 June 2019
DOI: 10.3997/2214-4609.201901933
Organisations: EAGE
Language: English
Info: Abstract, PDF ( 263.63Kb )

Summary:
High-resolution 3D site characterization can deliver reliable quantitative property volumes of the subsurface when based on seismic data able to image meter-sized objects. Following the theoretical analysis of seismic wave propagation in the shallow sub-surface, we present case studies based on re-processing of 3D P-Cable seismic data. The case study of data re-processing from the Vestnesa Ridge west of Svalbard and the outer Vøring Basin show that P-Cable 2.5D and 3D data can provide decimeter- to meter-scale vertical resolution of the shallow subsurface. Collection of new 3D P-Cable data with optimized acquisition parameters will provide meter-scale horizontal and vertical resolution. Therefore, 3D seismic volumes will represent the framework for data interpretation, integration and inversion where in situ measurements can be propagated with minimal data interpolation.

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