... production forecasts, however. Reliable predictions, required for well planning, depend on the ability of the user to reduce the uncertainties to find consistent and timely solutions. Logs can provide appropriate conditioning data for history matching to enable its use for reservoir management. Electrofacies...

...Hector H. Perez; Akhil Datta-Gupta; S. Mishra Summary Predicting permeability from well logs typically involves classification of the well-log response into relatively homogeneous subgroups based on electrofacies, Lithofacies, or hydraulic flow units (HFUs). The electrofacies-based classification...

... into electrofacies types. This classification does not require any artificial subdivision of the data population but follows naturally based on the unique characteristics of well-log measurements, reflecting minerals and lithofacies within the logged interval. A combination of principal component analysis (PCA...

...L.P. Stinco; R.Y. Elphick; W.R. Moore Summary Formation evaluation, electrofacies, and production prediction index determination based on inductive and deductive methodologies were completed in El Tordillo field, north flank of the San Jorge basin, Argentina. The applied methodology consisted...

...Sang Heon Lee; Arun Kharghoria; Akhil Datta-Gupta Summary We propose a two-step approach to permeability prediction from well logs that uses nonparametric regression in conjunction with multivariate statistical analysis. First, we classify the well-log data into electrofacies types...