Building of the petrophysical model using cluster analysis when rock-typing by well log data

Authors: S.Е. Bobrov (TNNC LLC), А.А. Bovykin (ТNК-ВР Management OJSC)
It is shown that the use of standard core – core dependency to predict permeability by well log data has no high reliability. Option (method) of reservoir-typing with applying core and logs study data to improve permeability prediction is examined. Main features of constructing petrophysical model with using cluster analysis when rock-typing are presented. Comparisons of production characteristics poroperm properties derived by using various techniques are presented.     
It is shown that the use of standard core – core dependency to predict permeability by well log data has no high reliability. Option (method) of reservoir-typing with applying core and logs study data to improve permeability prediction is examined. Main features of constructing petrophysical model with using cluster analysis when rock-typing are presented. Comparisons of production characteristics poroperm properties derived by using various techniques are presented.     


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