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Keywords: variogram
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Proceedings Papers

Paper presented at the SPE/DOE Improved Oil Recovery Symposium, April 21–24, 1996
Paper Number: SPE-35414-MS
... Variograms were calculated to find spatial variability in the vertical and horizontal directions. The vertical coordinates were normalized to obtain a uniform coordinate system, as the thickness of the sands varied from well to well. An average thickness was calculated. The thickness in each well...
Proceedings Papers

Paper presented at the SPE/DOE Improved Oil Recovery Symposium, April 17–20, 1994
Paper Number: SPE-27799-MS
... . The next step is to obtain a reliable structure map that can be used to derive curvatures. We have used geostatistics to estimate the reservoir top at each grid-block. An experimental variogram has been carefully constructed with the available data. The simulated annealing method (SAM), as described...
Proceedings Papers

Paper presented at the SPE/DOE Improved Oil Recovery Symposium, April 17–20, 1994
Paper Number: SPE-27803-MS
... are compared through numerical experiments. It was observed that the modified stochastic hillclimbing is the most efficient method for variogram based objective function. The method was also validated by applying it to a case where both variogram and well testing information were available. We concluded...
Proceedings Papers

Paper presented at the SPE/DOE Enhanced Oil Recovery Symposium, April 22–24, 1992
Paper Number: SPE-24113-MS
... on mixing in the porous medium is the relative importance of correlation length and core dimensions. concentration enhanced recovery porosity dispersion reservoir characterization heterogeneity displacement fluid dynamics variability variation coreflood variogram transition zone...

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