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Rock Recognition From MWD Data: A Comparative Study of Boosting, Neural Networks, and Fuzzy Logic

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4 Author(s)
Kadkhodaie-Ilkhchi, A. ; Rio Tinto Centre for Mine Autom., Univ. of Sydney, Sydney, NSW, Australia ; Monteiro, S.T. ; Ramos, F. ; Hatherly, P.

Measurement-while-drilling (MWD) data recorded from drill rigs can provide a valuable estimation of the type and strength of the rocks being drilled. Typical MWD sensors include bit pressure, rotation pressure, pull-down pressure, pull-down rate, and head speed. This letter presents an empirical comparison of the statistical performance, ease of implementation, and computational efficiency associated with three machine-learning techniques. A recently proposed method, boosting, is compared with two well-established methods, neural networks and fuzzy logic, used as benchmarks. MWD data were acquired from blast holes at an iron ore mine in Western Australia. The boreholes intersected a number of rock types including shale, iron ore, and banded iron formation. Boosting and neural networks presented the best performance overall. However, from the viewpoint of implementation simplicity and computational load, boosting outperformed the other two methods.

Published in:

Geoscience and Remote Sensing Letters, IEEE  (Volume:7 ,  Issue: 4 )