Paper:

# Intelligent Nadaboost-ELM Modeling Method for Formation Drillability Using Well Logging Data

## Chao Gan^{*}, Weihua Cao^{*,†}, Min Wu^{*}, Xin Chen^{*}, Chengda Lu^{*}, Yule Hu^{**}, and Guojun Wen^{***}

^{*}School of Automation, China University of Geosciences

Wuhan 430074, China

^{**}Faculty of Engineering, China University of Geosciences

Wuhan 430074, China

^{***}School of Mechanical Engineering & Electronic Information, China University of Geosciences

Wuhan 430074, China

^{†}Corresponding author

*J. Adv. Comput. Intell. Intell. Inform.*, Vol.20 No.7, pp. 1103-1111, 2016.

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