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- W1990455217 abstract "A fuzzy inference procedure has been implemented as a MatLab program and tested for well log data classification using data from a public dataset coming from the KTB project (Germany). Rock property value distributions have been precisely emulated by fitting the envolvent of its transformed histograms with unnormalized double gaussian functions. A new final lithology confidence operator has been introduced and applied to adress the combination of individual confidences from different properties. Besides, a doubting class has been proposed for the final decision stage, as we think that it is more valuable an “in doubt” output that a wrong classification. The decision criteria is based on a relative confidence threshold, which value is entered by the end user. Results show that this fuzzy logic based method is suited to rapidly and reasonably suggest a lithology column from well log data, provided that there is enough a priori information and that the hypothesis of representativity holds between lithologies from the train and test datasets. This methodology will be a very useful tool to aid in the interpretation of well log data from future CO2 storage pilot sites." @default.
- W1990455217 created "2016-06-24" @default.
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- W1990455217 date "2011-11-08" @default.
- W1990455217 modified "2023-09-23" @default.
- W1990455217 title "Fuzzy Logic Based Lithology Determination from Well Log Data - Application to the KTB Project Dataset, Germany" @default.
- W1990455217 doi "https://doi.org/10.3997/2214-4609.20144196" @default.
- W1990455217 hasPublicationYear "2011" @default.
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