This file was downloaded from Telemark Open Research Archive TEORA - http://teora.hit.no/dspace/ Online estimation of wax deposition thickness in single-phase sub-sea pipelines based on acoustic chemometrics: A feasibility study Maths Halstensen a , Benjamin Kaku Arvoh a , Lene Amundsen b , Rainer Hoffmann b NOTICE: this is the author’s version of a work that was accepted for publication in Fuel. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in FUEL, (105), March (2013) DOI: http://dx.doi.org/10.1016/j.fuel.2012.10.004  Corresponding author: e-mail: maths.halstensen@hit.no, Tel: +47 35575187, Telefax: +47 35575001