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Near-Surface S-Velocities, Statics, and Anisotropy Estimated from Scholte WavesNormal access

Authors: E. Muyzert, J.H. Kommedal, K. Iranpour and B. Olofsson
Event name: 64th EAGE Conference & Exhibition
Session: Multi Component Processing and Imaging
Publication date: 27 May 2002
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 415.63Kb )
Price: € 20

Summary:
F-28 NEAR-SURFACE S-VELOCITIES STATICS AND ANISOTROPY ESTIMATED FROM SCHOLTE WAVES 1 E. Muyzert 1 J.H. Kommedal 2 K. Iranpour 3 B. Olofsson 4 1) Schlumberger Cambridge Research High Cross Madingley Road Cambridge CB3 0EL U.K 2) BP Sunbury U.K. 3) WesternGeco Asker Norway 4) WesternGeco Gatwick U.K. Abstract We present a method to estimate the near-surface S-velocity and converted-wave static corrections for multicomponent ocean bottom seismic (OBS) surveys using Scholte waves. The method is applied to a 3D 4C OBS survey over the Valhall field. In addition we show that Scholte waves can be used to detect shallow azimuthal anisotropy.


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