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Technical Abstract

4D Reservoir Analysis beyond 1D Convolutions

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Analysis of time-lapse data is performed on migrated seismic images, which represent the spatial and time-lapse variability of the medium’s reflectivity. The process of migration effectively rotates the wavelet so that it is normal to the imaged reflectors. Processes used in 4D reservoir analysis such as deconvolution, inversion and warping need to follow the structure of the data. The traditional 1D convolutional approach does not honour this directivity. For this reason, we introduce a wave equation based approach which provides an effective platform for structurally consistent reservoir analysis. This includes applications such as wavelet extraction, warping and 4D time-strain inversion.
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Publications

EAGE - European Association of Geoscientists and Engineers

Authors

Adel Khalil, Henning Hoeber, Arash Jafargandomi, Sylvain De Pierrepont

Month

May

Copyright

© 2015 EAGE