Abstract
E040 Z-99 Analysis of attenuation anisotropy in multiazimuth VSP data from the Clair field Abstract 1 We present an analysis of P-wave attenuation anisotropy in multi-azimuth walkaway VSP data from the Clair field. We find that the data recorded in the fractured oil-saturated reservoir show a consistent azimuthal variation in attenuation. This pattern cannot be observed in data recorded above the reservoir. The measured azimuth of minimum attenuation is close to the strike of open fluid-filled fractures mapped from cores and borehole image logs. The results therefore suggest a link between the attenuation pattern and the orientation of open fractures
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