1887

Abstract

We test how well fracture orientations can be estimated from fitting amplitude variations with offset and azimuth (AVOA) under varying signal-to-noise (S/N) ratios. We perform these tests for the range of AVO classes, with different azimuth sampling. We also show that modifying the fracture properties can have a large impact on the reliability of estimating the AVOA parameters. We summarise levels of S/N required to reliably estimate fracture orientations under different AVO class and varying azimuth sampling. We conclude that estimating fracture orientations is most sensitive to S/N ratio, followed by the properties of the fracture network, the AVO class, and the sampling in offset-azimuth space.

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/content/papers/10.3997/2214-4609.20147789
2008-06-09
2024-03-28
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20147789
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