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Advances in Materials Science and Engineering
Volume 2015, Article ID 340721, 6 pages
Research Article

Predicting Equivalent Static Density of Fuzzy Ball Drilling Fluid by BP Artificial Neutral Network

1College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China
2SJVBU, Chevron North America, Bakersfield, CA 93311, USA
3CNPC Key Laboratory for Petroleum Drilling Engineering Lost Circulation Control Division, Wuhan 430100, China

Received 8 January 2015; Revised 23 May 2015; Accepted 14 June 2015

Academic Editor: Michele Iafisco

Copyright © 2015 Chen Yang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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