Self-affine and ARX-models zonation of well logging data
Zonation of time series into models which their parameters are piecewise constant are important and well-studied problems. Geophysical well logging data often show a complex pattern due to their multifractal nature. In a multifractal system, any pieces of it are established by a distinct exponent that can characterize them. This feature has the capability to cluster them. Self-affine zonation by Auto Regressive model with exogenous inputs (ARX) is a new approach which places well logging segments in the clusters which are more self-affine against the other clusters. This approach was performed and compared with a conventional ARX zonation in the well logging data of three different oilfields in southern parts of Iran. The results showed a good accuracy for detecting homogeneous lithological segments and led to a precise interpretation process to update the reservoir architecture.
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Volume (Year): 391 (2012)
Issue (Month): 21 ()
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- Moktadir, Z. & Kraft, M. & Wensink, H., 2008. "Multifractal properties of Pyrex and silicon surfaces blasted with sharp particles," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 387(8), pages 2083-2090.
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