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Laterally Constrained Surface Wave InversionNormal access

Authors: T. Bardainne, K. Garceran, M. Retailleau, X. Duwattez, R. Sternfels and D. Le Meur
Event name: 79th EAGE Conference and Exhibition 2017
Session: Near Surface Seismic & Induced Seismicity
Publication date: 12 June 2017
DOI: 10.3997/2214-4609.201700957
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 836.56Kb )
Price: € 20

We propose a laterally constrained surface wave inversion to obtain a reliable near-surface shear-wave velocity field from Rayleigh wave measurements. This workflow is targeted at dense 3D broadband wide-azimuth land surveys, aiming to obtain reliable and realistic lateral shear-wave velocity variations pertinent with regard to surface or sub-surface information. We applied our methodology to a dataset acquired by Petroleum Development of Oman in the Sultanate of Oman. The S-wave velocity model obtained can be easily correlated to surface data, satellite map and time-reflectivity volume, hence demonstrating the potential of our method to build reliable and geologically consistent near-surface velocity models.

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