System and method for interpretation of well data

Details System and method for interpretation of well data System and method for interpretation of well data

G - Physics

01

V

G01V 9/00 (2006.01) G01V 5/04 (2006.01)

Patent

CA 2717178

Well log data is assigned depositional labels by a soft computing method. A model is trained on an expert-interpreted well log by segmenting, assigning fuzzy symbols to the segments (130), and calculating attribute values for units labeled by the expert (140). From these values, classifiers are trained for each of a number of depositional types (150). Finally, a model is developed for translating fuzzy symbols into depositional labels (160). Once trained, the model is applied to well log data.

Selon l'invention, des données de journal de puits se voient attribuer des étiquettes sédimentaires par un procédé de calcul souple. Un modèle est appris sur un journal de puits interprété par un expert par segmentation, attribution de symboles flous aux segments et calcul de valeurs d'attribut pour des unités étiquetées par l'expert. A partir de ces valeurs, des classificateurs sont appris pour chacun d'un certain nombre de types sédimentaires. Enfin, un modèle est développé pour traduire des symboles flous en étiquettes sédimentaires. Une fois appris, le modèle est appliqué à des données de journal de puits.

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